5968-4632E

5968-4632E KEYSIGHT | Alldatasheet

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Probing Solutions for Logic Analyzers Data Sheet Bring the full power of your Keysight Technologies, Inc. logic analyzer to your project with high quality probing solutions – Wide range of solutions to meet your measurement needs –Soft Touch Connectorless probing –High-density, high-performance probing solutions –General-purpose probing

02 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Table of Contents U4200A Series Probe/Cable Solutions for 160-pin Front Panel U4206A Probe, 34 Channel, Soft Touch Pro, Single-Ended, to Four

03 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Keysight Technologies, Inc. has the measurement tools you need to validate the very latest memory technologies. These include logic analyzers, oscilloscopes and software for automated compliance, decode, and protocol checking. To complement our high speed digital instruments and software, Keysight offers probing solutions with a comprehensive range of Ball Grid Array (BGA) interposers. When positioned between the processor memory controller and the memory device, the interposers allow you to make signal quality or protocol measurements with minimal effect on the system-under- test. You can choose from a large selection of existing BGA interposers or work with Keysight’s Application Engineers to define customized probing solutions for your specific needs. Refer to the following publications for information on available DDR/LPDDR BGA interposers. Probing for Memory System Validation Memory type Model number coverage Publication title Publication number DDR2 W2631B, W2632A, W2633B, W2634A, E5826A, E5827A, E5384A W2630 Series DDR2 BGA probes for logic analyzers and oscilloscopes 5989-5964EN DDR3 W3631A, W3633A, W3636A, E5845A, E5847A W3630A Series DDR3 BGA probes for logic analyzers and oscilloscopes 5990-3179EN DDR4 W4631A, W4633A, W4636A, E5847A, E5849A W4641A, W4643A, U4208A, U4209A W4640A and W4630A Series DDR4 BGA interposers for logic analyzers 5991-4258EN LPDDR2/3/4 Custom probes through the AEO Digital BGA interposer catalog 5992-0379ENA1

04 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Reliable Connections Ensure Accuracy – Impedance High input impedance ensures minimum intrusion on your circuit. Although many probes might be acceptable for lower frequencies, capacitive loading becomes significant at higher frequencies. The Keysight probing products perform over a wide frequency spectrum. – Ruggedness Probes with quality mechanical design provide solid electrical connections. Intermittent open circuits would only add one more variable to your debugging equation. Keysight probes are mechanically designed to relieve strain and ensure rugged, reliable connection. – Immunity to Noise Electromagnetic noise can corrupt data captured by the logic analyzer. Keysight probing solutions are designed for a high immunity to transient noise. –Performance Keysight logic analyzers have front- end circuitry that supports the state and timing specifications of the analyzer. This circuitry, together with the Keysight probing solutions described in this document, will accurately capture the target signals at the specified clock rates. Other considerations Physical connection compatibility between various Keysight probes may allow you to mix and match a variety of probes and accessories. However, a probe accessory designed for slower clock speeds will not deliver high-speed target performance simply because it is used with a higher speed analyzer module. Also, the serial connection of multiple probe leads and/or accessories will degrade signal integrity. Signal frequency content drives probing solutions Faster clock rates demand tighter timing tolerances, such as setup and hold specifications. Systems with faster clock rates usually have shorter rise and fall times. Signals with shorter transition times have more high frequency content and are more susceptible to high frequency analog problems such as cross talk, reflections, ground bounce, noise and emissions. Susceptibility of a system to analog problems relates to the transition times of the signals, not the clock rate. A system with slow transition times cannot have high clock rates. However, it is possible for a system with slower clock rates to have signals with very fast transition times. General-purpose probing solutions provide the analog bandwidth required to run each logic analyzer module at its maximum clock rate. The high input impedance of these probes, especially at high frequencies, presents a minimal load to most systems. Systems that are operating with little margin should be designed with consideration for both the system components and the input impedance of the probing solution being used during debug. Input impedance specifications or equivalent load diagrams can be found for each of the probing solutions described in this document. Which Logic Analyzer? For logic analyzers with 160-pin front panel connector, use probes identified in this document as “Direct-connect probes.” For logic analyzers with cables that use a 3M-style connector with two rows of 20 pins on 0.1-inch centers, as illustrated in Figure 1.1, use probes identified in this document as “for analyzers with 40-pin pod connectors.” For logic analyzers with cables that use a 90-pin, high-density connector as illustrated in Figure 1.2, use probes identified in this document as “for analyzers with 90-pin pod connectors.” Figure 1.1. 40-pin pod connector Figure 1.2. 90-pin pod connector 40-pin pod connector (pages 47 to 70) 16911A 16910A

16800 Series benchtop analyzers

90-pin pod connector (pages 10 to 36) 16950B, 16951B U4164A, U4154A/B, and 16962A Direct connect probe/cables (pages 37 to 39) U4164A U4154A/B, 16850 Series

05 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probe Selection Guide for All Keysight Logic Analyzers Logic analyzer compatibility –U4164A, U4154A/B –16850A Series –16962A, 16951B, 16950A/B –16760A, 16756A, 16755A, 16754A, 16753A Note: U4201A logic analyzer cable(s) are required when using 90-pin probes with the U4164A, U4154A/B or 16850A Series logic analyzers. Soft touch connectorless probes All soft touch probes are supplied with 5 retention modules Model number E5398A E5406A E5402A 1 E5390A E5405B Application Quick connection to many channels in a small footprint without a header designed into the target Number of channels 17 16 data, 1 clock 32 data, 2 clocks 32 data, 2 clocks 16 data, 1 clock Supported signal types Differential or single-ended clock single-ended data Differential or single-ended clock and or data Maximum data rate 4 Gb/s 4 Gb/s 4 Gb/s 4 Gb/s Minimum signal amplitude 250 mV p-p 250 mV p-p 250 mV p-p Vmax - Vmin 200 mV Connection to target system Requires half-size soft touch footprint designed into the target Requires Pro Series soft touch footprint designed into the target Requires original soft touch footprint designed into the target Requires Pro Series soft touch footprint designed into the target system Input capacitance < 0.7 pF < 0.7 pF < 0.7 pF < 0.7 pF Kit of 5 additional retention modules E5396-68702 E5403A E5387-68701 E5403A Number of probes required per U4201A cable 1 1 1 2 1. The E5402A Soft Touch Pro probe is a low profile right angle version of the E5406A above.

06 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Samtec probes Mictor probes General purpose flying lead sets Model number E5378A E5379A E5380B E5382B E5381B Application Quick connection to many channels in a small footprint Flexible connection to many signals Number of channels 32 data, 2 clocks 16 data, 1 clock 32 data, 2 clocks 16 data, 1 clock 16 data, 1 clock Supported signal types Differential or single-ended clock single- ended data Differential or single-ended clock and or data Single-ended clock single-ended data Differential or single-ended clock single-ended data Differential or single- ended clock and or data Maximum data rate 1.5 Gb/s 1.5 Gb/s 600 Mb/s 1.5 Gb/s 1.5 Gb/s Minimum signal amplitude 250 mV p-p Vmax - Vmin 200 mV 300 mV p-p 250 mV p-p Vmax - Vmin 200 mV Connection to target system Requires 100-pin Samtec connector designed into the target system Requires 100-pin Samtec connector designed into the target system Requires 38-pin Mictor connector designed into the target system Compatible with a wide assortment of accessories to connect to individual leads Compatible with a wide assortment of accessories to connect to individual leads Additional supplies See Table 4 page 34 for shrouds and pc board connectors See Table 1 (page 10) See Figure 4.4 (page 13) Number of probes required per U4201A cable 1 2 1 2 2 Probe Selection Guide for All Keysight Logic Analyzers (Continued) Logic analyzer compatibility –U4164A, U4154A/B –16850A Series –16962A, 16951B, 16950A/B –16760A, 16756A, 16755A, 16754A, 16753A Note: U4201A logic analyzer cable(s) are required when using 90-pin probes with the U4164A, U4154A/B or 16850A Series logic analyzers.

07 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probe Selection Guide for All Keysight Logic Analyzers (Continued) U4200A Series direct-connect probes selection guide Direct connect probes connect directly to the DUT and the 160-pin front panel connector of the compatible logic analyzers listed below. Logic analyzer compatibility –U4164A, U4154A/B –16850A Series Note: The U4206A is for use only with the U4164A when in quad sample state mode or ¼ channel timing mode. Soft touch connectorless probes Mictor probe General purpose flying lead set Model number U4206A (see note above) U4204A U4205A U4203A Application Quick connection to many channels in a small footprint without a header designed into the target system Quick connection to many signals in a small footprint Flexible connection to individual signals Number of channels 34 32 data, 2 clock 32 data, 2 clock 32 data, 2 clock 32 data, 2 clock Supported signal types Differential or single-ended clock, single-ended data Differential or single-ended clock, single-ended data Single-ended clock, single- ended data Differential or single-ended clock, single-ended data Maximum data rate 4 Gb/s 3.2 Gb/s 600 Mb/s 1.5 Gb/s Minimum signal amplitude V max – Vmin 300 mV/200 mV 1 Vmax – Vmin 200 mV Vmax – Vmin 200 mV Vmax – Vmin 200 mV Connection to target system Requires Pro Series soft touch footprint designed into the target Requires Pro Series soft touch footprint designed into the target Requires 38-pin Mictor connector designed into the target system Compatible with a wide assortment of accessories to connect to individual leads Input capacitance < 0.7 pF < 0.7 pF 3.0 pF < 0.9 pF Additional supplies Kit of 5 additional retention modules Kit of 5 additional retention modules See Table 1 for PC board connectors and shrouds See Figure for additional leads and grabbers Orderable as E5403A E5403A 1. 300 mV input required for data rates greater than 2.5 Gb/s.

08 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probe Selection Guide for All Keysight Logic Analyzers (Continued) 40-pin probes selection guide Compatible with Keysight models 16910A/11A, 16800 Series, 16750/51/52A/B, 1674X Series, 1671x Series, 165xx Series modules, 1690 Series, 1680 Series, 1670 Series, 1660 Series, 1650 Series, and E9340 logic analyzers. Soft touch connectorless probes Supplied with five retention modules Samtec probe Mictor probe General purpose flying lead set Model number E5396A E5404A E5394A E5385A E5346A E5383A Application Quick connection to many channels in a small footprint without a header designed into the target system Quick connection to many signals in a small footprint Quick connection to many signals in a small footprint Flexible connection to individual signals Number of channels 16 data, 1 clock 32 data, 2 clock 32 data, 2 clock 32 data, 2 clock 32 data, 2 clock 16 data, 1 clock Supported signal types All probes: single-ended clock, single-ended data Maximum data rate > 2.5 Gb/s > 2.5 Gb/s > 2.5 Gb/s 1.5 Gb/s Equivalent to the logic analyzer data rate the probe is attached to Equivalent to the logic analyzer data rate the probe is attached to Minimum signal amplitude 500 mV p-p 500 mV p-p 500 mV p-p 500 mV p-p 500 mV p-p 1 600 mV p-p Connection to target system Requires half-size soft touch footprint designed into the target Requires Pro Series soft touch footprint designed into the target Requires original soft touch footprint designed into the target Requires 100-pin Samtec connector designed into the target system Requires 38-pin Mictor connector designed into the target system Compatible with a wide assortment of accessories to connect to individual leads Additional supplies Additional five retention modules Additional five retention modules Additional five retention modules See Table 1 for PC board connectors and shrouds See Table 1 for pc board connectors and shrouds See Figure for additional leads and grabbers Orderable as Order kit E5396-68702 Order kit E5403A Order kit E5387-68701 1. Model E5339A low voltage Mictor probe = 250 mV p-p 2. Model E5351A Unterminated Mictor probe requires isolation networks to be provided on the target system. See page 64 for details.

09 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Selecting the Optimum Probing Strategy What is the best way to probe your signals, given their unique characteristics? Available probing options for all Keysight logic analyzers Connectorless Connector Samtec Connection to the target system Requires appropriate pro series soft touch or original soft touch footprint designed into the target system. Retention module is used for alignment and mechanical retention only. Requires 100-pin Samtec connector designed into the target system Advantages – Reduces cost and shortens the design cycle by eliminating a connector – Eliminates the capacitive loading of a connector, which gives you the lowest-loading (less than 0.7 pF), highest-performance (> 2.5 Gb/s rate) logic analyzer probing option available – Pliable micro spring-pin design with four-point crown tip allows you to easily attach and get a reliable, repeatable contact even for contaminated or uneven board surfaces – Flow through signal routing streamlines design flow and maintains differential pair spacing to ensure constant differential-mode impedance and virtually eliminate stubs – Acquire high-speed single-ended or differential signals without impacting the performance of your circuit, while providing an accurate representation to the logic analyzer – Provides ability to attach retention module to probe and browse multiple signals by pressing the probe against the target device – Compatible with all board finishes, including lead free – High-performance connector solution (1.5 pF loading,

1.5 Gb/s data rate)

– Supports single-ended and differential signals – 3 times the performance and half the loading of Mictor solution Disadvantages – Requires up-front design of probe footprint on PCB – Added cost to include connector – Requires up-front design of connector on PCB

10 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Selecting the Optimum Probing Strategy (Continued) What is the best way to probe your signals, given their unique characteristics? Available probing options for all Keysight logic analyzers Connector Mictor Flying leads Connection to the target system Requires 38-pin Mictor connector designed into the target system Connects to individual, widely dispersed signals at IC pins, traces, pads, vias Advantages – Reliable and cost-effective solution for lower data rates (600 Mb/s) – Supports single-ended signaling – 3.0 pF capacitive loading – High-performance accessories are based on award winning, InfiniiMax scope probes – Compatible with a wide variety of accessories to connect to IC pins, traces, pads, vias – Maintains a one-to-one signal-to-ground ratio – Doesn’t require up-front design effort Disadvantages – Added cost to include connector – Combination of through-hole and surface-mount technology can make signal routing and board component loading difficult – Requires up-front design of connector on PCB – More time-consuming to connect

analyzers with a 90-pin pod connection. Table 1. Accessories Figure 4.1. E5382B flying lead set.

Table 2. E5382B suggested configurations and characteristics

Table 3. E5381B suggested configurations and characteristics

16 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Recommended probe configurations For the best performance, use the following configurations. The configurations are listed in the recommended order. Figure 4.6. Probing configurations that give the best signal fidelity. Probing Solutions for 90-pin Logic Analyzers General-Purpose Probing (Continued) Pin and socket ground lead 0.635mm (0.025") square pin or 0.66-0.84mm diameter pin Flexible direct ground pin Ground extender SMT tack-on signal/ground Recommended probe configurations For the best performance, use the following configurations. The configurations are listed in the recommended order. Signal Make contact with the flexible ground first, then flex it to place the signal pin. Ground Signal Ground Signal Signal red Ground black Signal Ground 0.635mm (0.025") square pin or 0.66-0.84mm diameter pin Ground

17 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Several options are available for connecting Keysight logic analyzers with 90-pin pod connectors to a target system using mass connections. Keysight Pro Series soft touch connectorless logic analyzer probes Keysight has developed connectorless logic analyzer probes based on soft touch probing technology. Connectorless logic analyzer probing removes the connector that is traditionally attached to the target board and replaces it with an array of probe pads. This reduces the probe load on the target by eliminating the loading associated with the physical body of the connector. Additionally, this streamlines the design flow by eliminating the need to assign a logic analyzer connector to the bill of material of your board, procuring those connectors and then having them loaded onto your board. Keysight’s soft touch connectorless probes use micro spring-pin technology to provide reliable contact which is not dependent on the planarity of the PC board or the plating processes used to fabricate the board. No special cleaning processes are required when using Keysight’s soft touch probes. The new Keysight Pro Series soft touch connectorless probes offer a 30% smaller footprint than the original soft touch probes and are the basis for the industry standard connectorless probing footprint. The probes use a retention module that ensures soft touch pin-to-PC board pad alignment and holds the probe in place while in use. The Pro Series soft touch uses a “top-side” mountable retention module. The retention module is mounted on the same side of the board as the probing footprint so there is no need to access the back-side of the board. Because there is no requirement for the retention module pins to extend beyond the back-side of the board, the retention module is compatible with virtually any board thickness. Figure 4.7. “Top-side” mountable retention module. Insert Solder pins from top of board Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing

18 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued) E5405B Differential Pro series soft touch connectorless probe The E5405B is a 17-channel differential Pro Series soft touch connectorless probe compatible with all Keysight logic analyzers that have a 90-pin pod connector. It is capable of acquiring data at the maximum rates of the logic analyzer it is connected to.

Features

– No connector on the target board – Top-side retention module –Industry-standard connectorless footprint – 17 channels, differential or single-ended clock and data – Extremely low, < 0.7 pF, equivalent load capacitance – Capable of data rates of 4 Gb/s (maximum rate dependent on analyzer used) – 200 mV Vmax–Vmin minimum signal amplitude –Robust and reliable soft touch technology Unused clock inputs can be used as data inputs. The E5405B uses the same retention module as the E5404A and E5406A Pro Series soft touch connectorless probe. A kit of five retention modules is shipped with each Pro Series soft touch probe. Additional kits can be ordered using Keysight part number E5403A. E5406A/E5402A Pro Series soft touch connectorless probes The E53406A/E5402A are 34-channel single-ended Pro Series soft touch connectorless probe compatible with all Keysight logic analyzers that have a 90-pin pod connector. The E5402A is a low profile right angle version of the E5406A probe. – No connector on the target board – Top-side mount retention module –Industry-standard connectorless footprint – 34 channels, single-ended or differential clock and single-ended data – Extremely low, < 0.7 pF, equivalent load capacitance – Capable of data rates of 4 Gb/s (maximum rate dependent on analyzer used) – 250 mV p-p minimum signal amplitude –Robust and reliable soft touch technology Unused clock inputs can be used as data inputs. The E5406A (used with logic analyzers with a 90-pin cable connector) uses the same footprint, pinout, and retention module as the E5404A and E5402A Pro Series soft touch connectorless probes (used with logic analyzers with a 40-pin cable connector). A kit of five retention modules is shipped with each Pro Series soft touch probe. Additional kits can be ordered using Keysight part number E5403A. The low profile E5402A probe uses retention module Keysight part number E5412A.

19 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet E5398A half-size soft touch connectorless probe The E5398A is a small space saving probe compatible with all Keysight logic analyzers that have a 90-pin cable connector. It is a 17-channel, single-ended probe capable of capturing data at the maximum rates of the logic analyzer it is connected to. The probe has the following inputs: – 16 single-ended data inputs – One differential or single-ended clock input – < 0.7 pf equivalent load capacitance – 250 mV p-p minimum signal amplitude Unused clock inputs can be used as data inputs. The E5398A (used with logic analyzers with a 90-pin cable connector) uses the same footprint, pinout, and retention module as the E5396A single-ended soft touch connectorless probe (used with logic analyzers with a 40-pin cable connector). More information about soft touch connectorless probes is available on the web at www.keysight.com/find/softtouch . Figure 4.8. Soft touch probes. Pads and mounting holes on target system Retention module E5390A single-ended soft touch probe Logic analyzer probe cables (90-pin pod connector) Logic analyzer probe cables (90-pin pod connector) Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued) E5390A single-ended soft touch connectorless probe The E5390A is a 34-channel single- ended soft touch connectorless probe compatible with all Keysight logic analyzers that have a 90-pin pod connector. It is capable of acquiring data at the maximum rates of the logic analyzer it is connected to. The probe has the following inputs: – 32 single-ended data inputs – Two differential or single-ended clock inputs – < 0.7 pf input capacitance – 250 mV p-p minimum signal amplitude Unused clock inputs can be used as data inputs. The E5390A (used with logic analyzers with a 90-pin pod connector) uses the same footprint, pinout and retention module as the E5394A single-ended soft touch connectorless probe (used with logic analyzers with a 40-pin pod connector). A kit of five retention modules is shipped with each soft touch probe. Additional kits can be ordered using Keysight part number E5387-68701.

23 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Figure 4.16. Pro Series soft touch footprint dimensions (see drawing notes). A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 GND GND CK 1+ GND/NC GND D10 D11 GND D14 D15 GND GND GND GND D12 D13 GND GND GND GND GND D12 D13 GND GND GND GND/NC CK 2+ GND D10 D11 GND D14 D15 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 Logic analyzer odd pod Logic analyzer even pod Figure 4.17. Pad numbers for E5404/06A 34-channel single-ended probes. Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued) Drawing notes:

1 Maintain a solder mask web

between pads when traces are routed between the pads on the same layer. The solder mask may not encroach onto the pads within the pad dimension shown. 2 VIAs not allowed on these pads. VIA edges may be tangent to pad edges as long as a solder mask web between VIAs and pads is maintained.

3 Surface finishes on pads should be

HASL immersion silver, or gold over nickel.

4 This footprint is compatible with

retention module Keysight part number E5405-68702.

5 This through hole is not used with

the Keysight retention module.

6 Plated through hole should not be

tied to ground plane for thermal relief. Pad VIA

24 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet E5404/06A 34-channel single- ended probe Logic analyzer Signal name Pad # Channel Pod D0 A1 → 0 Whichever pod is connected to “Odd” on the E5404/06A probe D1 A2 → 1 Ground A3 D4 A4 → 4 D5 A5 → 5 Ground A6 Clock 1+ A7 → Clock GND/NC/Clock 1– A8 Ground A9 D10 A10 → 10 D11 A11 → 11 Ground A12 D14 A13 → 14 D15 A14 → 15 Ground A15 Whichever pod is connected to “Even” on the E5404/06A probe D2 A16 → 2 D3 A17 → 3 Ground A18 D6 A19 → 6 D7 A20 → 7 Ground A21 D8 A22 → 8 D9 A23 → 9 Ground A24 D12 A25 → 12 D13 A26 → 13 Ground A27 E5404/06A 34-channel single- ended probe Logic analyzer Signal name Pad # Channel Pod Ground B1 Whichever pod is connected to “Odd” on the E5404/06A probe D2 B2 → 2 D3 B3 → 3 Ground B4 D6 B5 → 6 D7 B6 → 7 Ground B7 D8 B8 → 8 D9 B9 → 9 Ground B10 D12 B11 → 12 D13 B12 → 13 Ground B13 D0 B14 → 0 Whichever pod is connected to “Even” on the E5404/06A probe D1 B15 → 1 Ground B16 D4 B17 → 4 D5 B18 → 5 Ground B19 GND/NC/Clock 2– B20 Clock 2+ B21 → Clock Ground B22 D10 B23 → 10 D11 B24 → 11 Ground B25 D14 B26 → 14 D15 B27 → 15 Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

25 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Figure 4.18. Pad numbers for E5405B 17-bit differential probe. Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

26 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet E5405B differential probe Logic analyzer Signal name Pad # Channel Pod D0 (+) A1 → 0 Whichever pod is plugged into the E5405B probe D0 (–) A2 Ground A3 D2 (+) A4 → 2 D2 (–) A5 Ground A6 D4 (+) A7 → 4 D4 (–) A8 Ground A9 D6 (+) A10 → 6 D6 (–) A11 Ground A12 NC A13 NC A14 Ground A15 D8 (+) A16 → 8 D8 (–) A17 Ground A18 D10 (+) A19 → 10 D10 (–) A20 Ground A21 D12 (+) A22 → 12 D12 (–) A23 Ground A24 D14 (+) A25 → 14 D14 (–) A26 Ground A27 E5405B differential probe Logic analyzer Signal name Pad # Channel Pod Ground B1 Whichever pod is plugged into the E5405B probe D1 (–) B2 D1 (+) B3 → 1 Ground B4 D3 (–) B5 D3 (+) B6 → 3 Ground B7 D5 (–) B8 D5 (+) B9 → 5 Ground B10 D7 (–) B11 D7 (+) B12 → 7 Ground B13 Clock– B14 Clock+ B15 → Clock Ground B16 D9 (–) B17 D9 (+) B18 → 9 Ground B19 D11 (–) B20 D11 (+) B21 → 11 Ground B22 D13 (–) B23 D13 (+) B24 → 13 Ground B25 D15 (–) B26 D15 (+) B27 → 15 Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

27 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probe dimensions The following figures show dimensions, footprint, and pinout information you will need to design your target system board for use with the Keysight soft touch probes. 2.538 in. 1.806 in. 0.830 in. 0.345 in. 1.363 in. 1.100 in. 15.26 6.330 in. 0.261 in. 0.297 in. 0.209 in. Top view E5390A Side view E5390A 2.417 in. 0.831 in. 0.851 in. 0.345 in. 0.868 in. 0.627 in. 18.000 in. 0.433 in. 0.297 in. 0.209 in. Top view E5398A Side view E5398A Figure 4.19. Probe dimensions. Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

29 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probe footprint dimensions Use these probe footprint dimensions for the PC board pads and holes for attaching the retention module. 34.04 mm 26.00 mm 29.97 mm 2.53 mm 6.99 mm 3.25 mm 1.35 mm retention hole pads both sides 1.83 mm 1.00 mm typ 2.03 mm 3.49 mm 1.27 mm 2.41 mm pad height 54x B B27 A27 .15 B .15 B R 0.29 mm 0.58 mm pad width 54x footprint keep out boundary Must maintain a solder mask web between pads when traces are routed between the pads on the same layer. Soldermask may not encroach onto the pads within the pad dimension shown. Via in pad not allowed on these pads. Via edges may be tangent to pad edges as long as a solder mask web between vias and pads is maintained. Permissible surface finishes on pads are HASL, immersion silver, or gold over nickel. Footprint is compatible with retention module, Keysight part # E5387-68702. Retention module dimensions are 34.04 mm x 7.01 mm x 4.98 mm tall relative to the top surface of the PDB. Retention pins extend 4.32 mm beyond the bottom surface of the RM through the PCB. Assume normal artwork tolerances for pad size dimensions. 0.81 0.03 mm (keying/alignment hole) 0.71 mm Notes: A C 1.99 mm 0.79 0.08 mm pth 0.79 0.08 mm pth 4x Soft touch Half-size soft touch Figure 4.22. Footprint dimensions. 34.04 mm 26.00 mm 29.97 mm 2.53 mm 6.99 mm 3.25 mm 1.35 mm retention hole pads both sides 1.83 mm 1.00 mm typ 2.03 mm 3.49 mm 1.27 mm 2.41 mm pad height 54x B B27 A27 .15 B .15 B R 0.29 mm 0.58 mm pad width 54x footprint keep out boundary Must maintain a solder mask web between pads when traces are routed between the pads on the same layer. Soldermask may not encroach onto the pads within the pad dimension shown. Via in pad not allowed on these pads. Via edges may be tangent to pad edges as long as a solder mask web between vias and pads is maintained. Permissible surface finishes on pads are HASL, immersion silver, or gold over nickel. Footprint is compatible with retention module, Keysight part # E5387-68702. Retention module dimensions are 34.04 mm x 7.01 mm x 4.98 mm tall relative to the top surface of the PDB. Retention pins extend 4.32 mm beyond the bottom surface of the RM through the PCB. Assume normal artwork tolerances for pad size dimensions. 0.81 0.03 mm (keying/alignment hole) 0.71 mm Notes: A C 1.99 mm 0.79 0.08 mm pth 0.79 0.08 mm pth 4x Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

30 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Pinout for the E5387A differential soft touch probe The following graphic and table show the E5387A differential soft touch probe pad numbers and logic analyzer pod inputs. Footprint keep out boundary D0 D1 G D2 D3 G D4 D5 G D6 D7 G CLK G D8 D9 G D10 D11 G D12 D13 G D14 D15 G NC nD0 nD1 G nD2 nD3 G nD4 nD5 G nD6 nD7 G nCLK G nD8 nD9 G nD10nD11 G nD12nD13 G nD14nD15 G NC B27 A27 Figure 4.23. Pinout. E5387A differential probe Logic analyzer Negative signals Positive signals Signal name Pad # Signal name Pad # Channel Pod D0 (–) A1 D0 (+) B1 → 0 Whichever pod is plugged into the E5387A probe Ground A3 Ground B3 Ground A6 Ground B6 Ground A9 Ground B9 Ground A12 Ground B12 Clock (–) A13 Clock (+) B13 → Clock Ground A14 Ground B14 Ground A17 Ground B17 D10 (–) A18 D10 (+) B18 → 10 D11 (–) A19 D11 (+) B19 → 11 Ground A20 Ground B20 D12 (–) A21 D12 (+) B21 → 12 D13 (–) A22 D13 (+) B22 → 13 Ground A23 Ground B23 D14 (–) A24 D14 (+) B24 → 14 D15 (–) A25 D15 (+) B25 → 15 Ground A26 Ground B26 N/C A27 N/C B27 Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

31 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet B13 A13 D0 D2 G D4 D6 G D8 D10 G D12 D14 G CLK D1 D3 G D5 D7 G D9 D11 G D13 D15 G NCLK Figure 4.24. Pinout. E5398A 17-channel single- ended probe Logic analyzer Signal name Pad # Channel Pod D1 A1 → 1 Whichever pod is plugged into the E5398A probe D3 A2 → 3 Ground A3 D5 A4 → 5 D7 A5 → 7 Ground A6 D9 A7 → 9 D11 A8 → 11 Ground A9 D13 A10 → 13 D15 A11 → 15 Ground A12 Clock (–) A13 → n/a E5398A 17-channel single-ended probe Logic analyzer Signal name Pad # Channel Pod D0 B1 → 0 Whichever pod is plugged into the E5398A probe D2 B2 → 2 Ground B3 D4 B4 → 4 D6 B5 → 6 Ground B6 D8 B7 → 8 D10 B8 → 10 Ground B9 D12 B10 → 12 D14 B11 → 14 Ground B12 Clock (+) B13 → n/a Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

32 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Pinout for the E5390A single-ended soft touch probe The following graphic and table show the E5390A single-ended soft touch probe pad numbers and logic analyzer pod inputs. POD 1 POD 2 POD 1 POD 2 D0 D2 G D4 D6 G D8 D10 G D12 D14 G CLK G D0 D2 G D4 D6 G D8 D10 G D12 D14 G CLK D1 D3 G D5 D7 G D9 D11 G D13 D15 G nCLK G D1 D3 G D5 D7 G D9 D11 G D13 D15 G nCLK B27 A27 Figure 4.25. Pinout. E5390A single-ended probe Logic analyzer Signal name Pad # Channel Pod D1 A1 → 1 Whichever pod is connected to “Odd” on the E5390A probe D3 A2 → 3 Ground A3 D5 A4 → 5 D7 A5 → 7 Ground A6 D9 A7 → 9 D11 A8 → 11 Ground A9 D13 A10 → 13 D15 A11 → 15 Ground A12 Clock (–) A13 → Clock D0 B1 → 0 D2 B2 → 2 Ground B3 D4 B4 → 4 D6 B5 → 6 Ground B6 D8 B7 → 8 D10 B8 → 10 Ground B9 D12 B10 → 12 D14 B11 → 14 Ground B12 Clock (+) B13 → Clock E5390A single-ended probe Logic analyzer Signal name Pad # Channel Pod Ground A14 Whichever pod is connected to “Even” on the E5390A probe D1 A15 → 1 D3 A16 → 3 Ground A17 D5 A18 → 5 D7 A19 → 7 Ground A20 D9 A21 → 9 D11 A22 → 11 Ground A23 D13 A24 → 13 D15 A25 → 15 Ground A26 Clock (–) A27 → Clock Ground B14 D0 B15 → 0 D2 B16 → 2 Ground B17 D4 B18 → 4 D6 B19 → 6 Ground B20 D8 B21 → 8 D10 B22 → 10 Ground B23 D12 B24 → 12 D14 B25 → 14 Ground B26 Clock (+) B27 → Clock Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

33 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Equivalent probe loads The following probe load models are based on in-circuit measurements made with a Keysight 8753E 6 GHz network analyzer and a Keysight 54750A TDR/TDT using a 50 Ω test fixture. The following schematic accurately models the probe load out to 6 GHz. PC board pads are not included. Cshnt1 .350 pF Rtip1 20 K Cshnt2 .350 pF Rtip2 20 K L12 1.17 nH L22 1.17 nH L11 0.63 nH L21 0.63 nH Rtrm1 C12 0.280 pF Rgnd1 0.5 C22 0.280 pF Rgnd2 0.5 Cm12 0.070 pF +0.75 V Rtrm2 +0.75 V Figure 4.26. Equivalent probe load model. Probing Solutions for 90-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

34 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet E5378A 100-pin single-ended probe The E5378A is a 34-channel single-ended Samtec probe capable of capturing data up to 1.5 Gbits/sec (see Figures 4.31 and 4.33 for probe dimensions and equivalent load). The probe has the following inputs: – 32 single-ended data inputs, in two groups (pods) of 16. – Two differential clock inputs. Either or both clock inputs can be acquired as data inputs if not used as a clock. – Two data threshold reference inputs, one for each pod (group of 16 data inputs). E5379A 100-pin differential probe The E5379A is a 17-channel differential Samtec probe capable of capturing data up to 1.5 Gbits/sec (see Figures 4.33 and 4.34 for probe dimensions and equivalent load). The probe has the following inputs: – 16 differential data inputs. – One differential clock input. – The clock input can be acquired as a data input if it is not used as a clock. Refer to Table 4 on page 34 for part numbers for mating connectors and shrouds. E5378A single-ended probe Probing connector kit Shrouds (5) 100-pin connectors (5) See Table 8 for part numbers Shrouds (5) E5379A differential probe Probing connector Kit 100-pin connectors (5) Probing Solutions for 90-pin Logic Analyzers Mictor and Samtec Probing

Refer to Table 4 for connector, shroud, and kit part numbers. Table 4. Mating connectors, shrouds, and kits for Keysight E5378A, Figure 4.29. Keysight E5380B probe.

39 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet U4200A Series Probe/Cable Solutions for 160-pin Front Panel Connector Logic Analyzers (Continued) Figure 5.3.

42 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet The U4206A ships with: – Carrying case (qty 1) – Socket adapters, one kit of qty 34, part number E5381-82102 – 3-pin headers, one kit of qty 34, part number E5381-82104 –Tip resistors 82 Ω coaxial, one kit of qty 34, part number E5381-82101 – Soft touch pro retention module, one kit of qty 5, part number E5405-68702 –82 Ω resistor template (qty 1), part number 01131-94309 – Pin protector, one covering the soft touch pro connector on the U4206A and one spare, part number E5390-25201 Figure 6.6. U4206A dimensions. U4206A Probe, 34 Channel, Soft Touch Pro, Single-Ended, to Four 160-pin Direct Connect to Logic Analyzer Front Panel Connectors (Continued)

43 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet The following U4200 Series direct connect cables are covered in the 16850 Series Portable Logic Analyzers - Data Sheet, publication number 5991-2791EN –U4203A: Direct connect – flying lead (for more information, view the User Guide: http://literature.cdn.keysight.com/litweb/pdf/U4203-97000.pdf?id=2498183 ) – U4204A: Direct connect – single-ended soft touch pro series – U4205A: Direct connect – Mictor connector probe (for more information, view the User Guide: http://literature.cdn.keysight.com/litweb/pdf/U4205-97000. pdf?id=2500912 ) U4206A Probe, 34 Channel, Soft Touch Pro, Single-Ended, to Four 160-pin Direct Connect to Logic Analyzer Front Panel Connectors (Continued)

45 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet 40-pin and 90-pin Logic Analyzers Probe Cables Signal line loading Any probed signal line must be able to supply a minimum of 600 mV (unless noted otherwise — see probe of interest) to the probe tip while the probe is connected to the system. The maximum input voltage of each probe is ± 40 volts peak (unless noted otherwise — see probe of interest). Probe cables The probe cable (see Figure 10.1 and Table 10) contains 16 signal lines and two clk lines, two +5 volt power lines, and ground lines for each of the signal/clock and power lines. All of these lines are contained in a 4.5-foot cable. The probe cable is included with the logic analyzer. The cable grounds are chassis (earth) grounds, not “floating” grounds. The two +5 volt power lines can be used to power active probing systems. Consult the specifications for the individual logic analyzers or logic analyzer cards for the maximum allowable current through each +5 volt power supply. Caution: These +5 volt power lines MUST NOT be connected to the target’s power supply. Caution: Be careful when using straight wire probe leads, one common ground, or RC networks located far from the target. These circumstances increase the impact of analog effects such as crosstalk and EMT susceptibility, which contribute to measurement errors. Figure 8.1. Typical logic analyzer probe cable.

Table 6. Logic analyzer cables

16850 Series ●

16800 Series ●

16740 Series ●

1690 Series ●

1680 Series ●

1670 Series ●

1660 Series ●

1650 Series ●

1. You must purchase U4201A logic analyzer cables and 90-pin probes and/or purchase direct-connect probes for these logic analyzers.

47 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probing Solutions for 40-pin Logic Analyzers General-Purpose Probing E5383A 17-channel single-ended flying lead probe Ideal when only a few lines may need to be probed or probe points are distributed across a target. The E5383A includes a set of 20 IC test clips and five ground leads. Logic analysis general-purpose probes General-purpose probing requires connecting probe leads to individual signal lines. This method is most convenient for a small to moderate number of signals, is very flexible, and can be used in conjunction with other probing methods. Note: Any probed signal line must be able to supply a minimum of 600 mV to the probe with the specified loading. The standard probing system The standard probing system consists of IC clips, probe leads, probe housing and probe cable. Because it is passive, the standard probing system is smaller, lighter, and much easier to use than active probing systems. This passive probing system is similar to a probing system used on a high frequency oscilloscope. It consists of an isolation network (as shown in Figure 9.1) at the probe tip and a shielded resistive transmission line. The advantages of this system are: – High input impedance. See Figure 9.1. – Signal ground at the probe tip for high-speed signals. – Inexpensive, removable probe tip assemblies. Figure 9.1. Probe tip Isolation network and equivalent load. Tip isolation network Equivalent load

50 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Keysight recommends that targets with probing constraints have connectors designed into the prototype versions of the product for effective hardware and software debug. The following should be considered when designing with connectors: – Select the appropriate connector technology for your target speed and target density. – Carefully select all lines for routing to the connectors that may be needed for debug. – Group the lines at each connector for your probing convenience. For example, Keysight may have written an inverse assembler for your device that has a preconfigured signal order. Before designing, refer to the documentation for this inverse assembler for essential signal lines and order. – Keep the routing to connectors as short as possible to minimize target impact and provide accurate data. – Examine the impact of probing isolation networks designed into the target versus the isolation network products offered by Keysight. An isolation network must be located between the target and the logic analyzer. It can be located on the target board in through-hole or SMT parts. It can also be attached to the logic analyzer cable with the probe leads (the isolation network is molded into the end of the probe); or the Keysight 01650-63203 isolation adapter with self contained isolation networks can be used. Probe leads can be used with connectors but are not the most convenient method. Direct connection of the connectors with the analyzer cable (isolation network parts on the target) or with a probe or isolation adapter is the faster, more convenient method. Probing Solutions for 40-pin Logic Analyzers Designing for Logic Analysis Probing

51 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet High-density, high-performance probes Keysight Pro Series soft touch connectorless logic analyzer probes Keysight has developed connectorless logic analyzer probes based on soft touch probing technology. Connectorless logic analyzer probing removes the connector that is traditionally attached to the target board and replaces it with an array of probe pads. This reduces the probe load on the target by eliminating the loading associated with the physical body of the connector. Additionally, this streamlines the design flow by eliminating the need to assign a logic analyzer connector to the bill of material of your board, procuring those connectors and then having them loaded onto your board. Keysight’s soft touch connectorless probes use micro spring-pin technology to provide reliable contact which is not dependent on the planarity of the PC board or the plating processes used to fabricate the board. No special cleaning processes are required when using Keysight’s soft touch probes. The new Keysight Pro Series soft touch connectorless probes offer a 30% smaller footprint than the original soft touch probes and are the basis for the industry standard connectorless probing footprint. The probes use a retention module that ensures soft touch pin-to-PC board pad alignment and holds the probe in place while in use. The Pro Series soft touch uses a “top-side” mountable retention module. The retention module is mounted on the same side of the board as the probing footprint so there is no need to access the back-side of the board. Because there is no requirement for the retention module pins to extend beyond the back-side of the board, the retention module is compatible with virtually any board thickness. Figure 9.7. “Top-side” mountable retention module. Insert Solder pins from top of board Probing Solutions for 40-pin Logic Analyzers Soft Touch Connectorless Probing E5404A Pro Series soft touch connectorless probe The E5404A is a 34-channel single-ended Pro Series soft touch connectorless probe compatible with all Keysight logic analyzers that have a 40-pin pod connector. It is capable of acquiring data at the maximum rates of the logic analyzer it is connected to. – No connector on the target board – Top-side mount retention module –Industry-standard connectorless footprint – 34 channels, single-ended clock and data – Extremely low, < 0.7 pF, equivalent load capacitance – Capable of data rates > 2.5 Gb/s (maximum rate dependent on analyzer used) – 500 mV p-p minimum signal amplitude –Robust and reliable soft touch technology Unused clock inputs can be used as data inputs. The E5404A (used with logic analyzers with a 40-pin cable connector) uses the same footprint, pinout, and retention module as the E5406A Pro Series soft touch connectorless probe (used with logic analyzers with a 90-pin cable connector). A kit of five retention modules is shipped with each Pro Series soft touch probe. Additional kits can be ordered using Keysight part number E5403A.

52 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet E5394A soft touch connectorless probe The E5394A is a 34-channel single-ended soft touch connectorless probe compatible with all Keysight logic analyzers that have a 40-pin pod connector. It is capable of acquiring data at the maximum rates of the logic analyzer it is connected to. The probe has the following inputs: – 32 single-ended data inputs – Two single-ended clock inputs – < 0.7 pf input capacitance – 500 mV p-p minimum signal amplitude Unused clock inputs can be used as data inputs. The E5394A (used with logic analyzers with a 40-pin pod connector) uses the same footprint, pinout and retention module as the E5390A single-ended soft touch connectorless probe (used with logic analyzers with a 90-pin pod connector). A kit of five retention modules is shipped with each soft touch probe. Additional kits can be ordered using Keysight part number E5387-68701. Figure 9.8. Keysight E5394A soft touch probe connection. Pads and mounting holes on target system Retention module E5394A single-ended soft touch probe Logic analyzer probe cables (40-pin pod connector) Probing Solutions for 40-pin Logic Analyzers Soft Touch Connectorless Probing (Continued) E5396A half-size soft touch connectorless probe The E5396A is a small space saving probe compatible with all Keysight logic analyzers that have a 40-pin cable connector. It is a 17-channel, single- ended probe capable of capturing data at the maximum rates of the logic analyzer it is connected to. The probe has the following inputs: – 16 single-ended data inputs – One single-ended clock input – < 0.7 pf equivalent load capacitance – 500 mV p-p minimum signal amplitude The unused clock input can be used as a data input. The E5396A (used with logic analyzers with a 40-pin cable connector) uses the same footprint, pinout, and retention module as the E5398A single-ended soft touch connectorless probe (used with logic analyzers with a 90-pin cable connector).

54 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Figure 9.12. E5394A and E5396A soft touch probe dimensions. 2.40 in. E5394A 1.80 in. E5394A 0.830 in. 0.345 in. 1.363 in. 1.100 in. 15.26 6.330 in. 0.440 in. 0.297 in. 0.209 in. Top view E5394A Side view E5394A 2.538 in. 0.345 in. 0.851 in. 0.868 in. 0.627 in. 18.000 in. 0.261 in. 0.297 in. 0.209 in. Top view E5396A Side view E5396A Probing Solutions for 40-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

56 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Drawing notes: between pads when traces are routed between the pads on the same layer. The solder mask may not encroach onto the pads within the pad dimension shown. 2 VIAs not allowed on these pads. VIA edges may be tangent to pad edges as long as a solder mask web between VIAs and pads is maintained. HASL immersion silver, or gold over nickel. retention module Keysight part number E5405-68702. the Keysight retention module. tied to ground plane for thermal relief. Pad VIA Figure 9.15. Pro Series soft touch footprint dimensions (see drawing notes). A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 A21 A22 A23 A24 A25 A26 A27 GND GND CK 1+ GND/NC GND D10 D11 GND D14 D15 GND GND GND GND D12 D13 GND GND GND GND GND D12 D13 GND GND GND GND/NC CK 2+ GND D10 D11 GND D14 D15 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 Logic analyzer odd pod Logic analyzer even pod Figure 9.16. Pad numbers for E5404/06A 34-channel single-ended probes. Probing Solutions for 40-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

57 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet E5404/06A 34-channel single-ended probe Logic analyzer Signal name Pad # Channel Pod D0 A1 → 0 Whichever pod is connected to “Odd” on the E5404/06A probe D1 A2 → 1 Ground A3 D4 A4 → 4 D5 A5 → 5 Ground A6 Clock 1+ A7 → Clock GND/NC/Clock 1– A8 Ground A9 D10 A10 → 10 D11 A11 → 11 Ground A12 D14 A13 → 14 D15 A14 → 15 Ground A15 Whichever pod is connected to “Even” on the E5404/06A probe D2 A16 → 2 D3 A17 → 3 Ground A18 D6 A19 → 6 D7 A20 → 7 Ground A21 D8 A22 → 8 D9 A23 → 9 Ground A24 D12 A25 → 12 D13 A26 → 13 Ground A27 E5404/06A 34-channel single-ended probe Logic analyzer Signal name Pad # Channel Pod Ground B1 Whichever pod is connected to “Odd” on the E5404/06A probe D2 B2 → 2 D3 B3 → 3 Ground B4 D6 B5 → 6 D7 B6 → 7 Ground B7 D8 B8 → 8 D9 B9 → 9 Ground B10 D12 B11 → 12 D13 B12 → 13 Ground B13 D0 B14 → 0 Whichever pod is connected to “Even” on the E5404/06A probe D1 B15 → 1 Ground B16 D4 B17 → 4 D5 B18 → 5 Ground B19 GND/NC/Clock 2– B20 Clock 2+ B21 → Clock Ground B22 D10 B23 → 10 D11 B24 → 11 Ground B25 D14 B26 → 14 D15 B27 → 15 Probing Solutions for 40-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

58 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probe footprint dimensions Use these probe footprint dimensions for the PC board pads and holes for attaching the retention module. Soft touch Half-size soft touch Figure 9.17. Footprint dimensions. Probing Solutions for 40-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

59 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Pinout for the E5394A single-ended soft touch probe The following graphic and table show the E5394A single-ended soft touch probe pad numbers and logic analyzer pod inputs. POD 1 POD 2 POD 1 POD 2 D0 D2 G D4 D6 G D8 D10 G D12 D14 G CLK G D0 D2 G D4 D6 G D8 D10 G D12 D14 G CLK D1 D3 G D5 D7 G D9 D11 G D13 D15 G NC G D1 D3 G D5 D7 G D9 D11 G D13 D15 G NC B27 A27 Figure 9.18. Pinout. E5394A single-ended probe Logic analyzer Signal name Pad # Channel Pod D1 A1 → 1 Whichever pod is connected to “Odd” on the E5394A probe D3 A2 → 3 Ground A3 D5 A4 → 5 D7 A5 → 7 Ground A6 D9 A7 → 9 D11 A8 → 11 Ground A9 D13 A10 → 13 D15 A11 → 15 Ground A12 NC A13 → NC Ground A14 Whichever pod is connected to “Even” on the E5394A probe D1 A15 → 1 D3 A16 → 3 Ground A17 D5 A18 → 5 D7 A19 → 7 Ground A20 D9 A21 → 9 D11 A22 → 11 Ground A23 D13 A24 → 13 D15 A25 → 15 Ground A26 NC A27 → NC E5394A single-ended probe Logic analyzer Signal name Pad # Channel Pod D0 B1 → 0 Whichever pod is connected to “Odd” on the E5394A probe D2 B2 → 2 Ground B3 D4 B4 → 4 D6 B5 → 6 Ground B6 D8 B7 → 8 D10 B8 → 10 Ground B9 D12 B10 → 12 D14 B11 → 14 Ground B12 Clock B13 → Clock Ground B14 Whichever pod is connected to “Even” on the E5394A probe D0 B15 → 0 D2 B16 → 2 Ground B17 D4 B18 → 4 D6 B19 → 6 Ground B20 D8 B21 → 8 D10 B22 → 10 Ground B23 D12 B24 → 12 D14 B25 → 14 Ground B26 Clock B27 → Clock Probing Solutions for 40-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

60 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Pinout for the E5396A 17-channel single-ended soft touch probe The following graphic and table show the E5396A single-ended soft touch probe pad numbers and logic analyzer pod inputs. B13 A13 D0 D2 G D4 D6 G D8 D10 G D12 D14 G CLK D1 D3 G D5 D7 G D9 D11 G D13 D15 G NC Figure 9.19. Pinout. E5396A 17-channel single-ended probe Logic analyzer Signal name Pad # Channel Pod D1 A1 → 1 Whichever pod is plugged into the E5396A probe D3 A2 → 3 Ground A3 D5 A4 → 5 D7 A5 → 7 Ground A6 D9 A7 → 9 D11 A8 → 11 Ground A9 D13 A10 → 13 D15 A11 → 15 Ground A12 NC A13 → n/a E5396A 17-channel single-ended probe Logic analyzer Signal name Pad # Channel Pod D0 B1 → 0 Whichever pod is plugged into the E5396A probe D2 B2 → 2 Ground B3 D4 B4 → 4 D6 B5 → 6 Ground B6 D8 B7 → 8 D10 B8 → 10 Ground B9 D12 B10 → 12 D14 B11 → 14 Ground B12 Clock B13 → Clock Probing Solutions for 40-pin Logic Analyzers Soft Touch Connectorless Probing (Continued)

65 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probe cables from logic analyzer Even # probes Odd # probes E5385A 100-pin probe Shroud See Table 7 on page 68 for part number 100-pin connector Keysight part number 1253-3620 Samtec part number ASP-65067-01 Figure 9.29. Keysight E5385A connection and pinout. E5385A 100-pin probe pin assignments Signal Pin number Signal Ground 1 2 Ground Do Not Connect 3 4 Do Not Connect Ground 5 6 Ground Odd D0 7 8 Even D0 Ground 9 10 Ground Odd D1 11 12 Even D1 Ground 13 14 Ground Odd D2 15 16 Even D2 Ground 17 18 Ground Odd D3 19 20 Even D3 Ground 21 22 Ground Odd D4 23 24 Even D4 Ground 25 26 Ground Odd D5 27 28 Even D5 Ground 29 30 Ground Odd D6 31 32 Even D6 Ground 33 34 Ground Odd D7 35 36 Even D7 Ground 37 38 Ground Odd D8 39 40 Even D8 Ground 41 42 Ground Odd D9 43 44 Even D9 Ground 45 46 Ground Odd D10 47 48 Even D10 Ground 49 50 Ground Odd D11 51 52 Even D11 Ground 53 54 Ground Odd D12 55 56 Even D12 Ground 57 58 Ground Odd D13 59 60 Even D13 Ground 61 62 Ground Odd D14 63 64 Even D14 Ground 65 66 Ground Odd D15 67 68 Even D15 Ground 69 70 Ground NC 71 72 NC Ground 73 74 Ground NC 75 76 NC Ground 77 78 Ground Odd D16P/ Odd CLK 79 80 Even D16P/ Even CLK Ground 81 82 Ground NC 83 84 NC Ground 85 86 Ground NC 87 88 NC Ground 89 90 Ground NC 91 92 NC Ground 93 94 Ground Ground 95 96 Ground +5V 97 98 +5V +5V 99 100 +5V Probing Solutions for 40-pin Logic Analyzers Mictor and Samtec Probing (Continued)

66 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Keysight E5351A 38-pin adapter cable If the calculated electrical length of the required routing stub prohibits the use of the Keysight E5339A, E5346A, or E5385A, the Keysight E5351A can be used with the required isolation networks installed on the target. The E5351A does not have its own internal isolation networks. When using the E5351A, place the SIP isolation networks or equivalent discrete components very near the target component for measurement. Ensure that the stub length between the target component and the isolation network is short. The stub propagation delay should be less than 20% of the bus signal rise time, as mentioned before. The transmission line from the on-board isolation network to the Mictor connector should be designed for an impedance in the range of 80 to 100 ohms (closer to 100 ohms is better). This length should not exceed 3 to 4 inches, and all signal line lengths should be equal. Signal line length variation should not cause propagation delay variation to exceed 20 ps between signal lines. Notes on using discrete components Discrete components can be used in the design of the RC network. Keysight recommends the circuit shown in Figure 9.31. To achieve the equivalent load shown in the figure, trace lengths should be minimized by locating the RC network very near the measured node. Actual load will be the stub length load added to the equivalent load in the figure. F k p E5351A Probe Figure 9.30. Keysight E5351A design rules. Probing Solutions for 40-pin Logic Analyzers Mictor and Samtec Probing (Continued)

67 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Options for on-board terminations for the E5351A There are two options for isolating the E5351A on the target PC board: – Use the surface mount isolation network, Keysight part number 5062-7396. Refer to Figure 9.32 for schematic and pinout. – Use discrete components. Refer to Figure 9.31 for recommended components and equivalent load. If you are operating at state speeds above 200 MHz, you should use discrete components for best results. Due to the added electrical length of the E5351A probe cable, the divider compensating capacitors in the SIP, and surface-mount isolation networks are not optimum for the E5351A, but they are usable up to 200 MHz clock rates. Figure 9.31. Suggested on-board isolation network and equivalent load when using discrete components to terminate the E5351A. 1. The effective input capacitance for on-board isolation networks is purely a function of geometry - 0.3 pF is about as low as can be achieved. 2. The equivalent load is the same when using the surface-mount isolation network, 5062-7396. Probing Solutions for 40-pin Logic Analyzers Mictor and Samtec Probing (Continued) k 10 pF 9 pF Suggested on the board RC network Equivalent load

Table 7. Mating connectors, shrouds, and kits for Keysight E5339A, Figure 9.33. Mechanical information for E5346-44701, E5346-44703, E5346-44704 support shrouds for 38-pin Mictor connectors.

place of the solutions described here. dedicated to the probing connection. 3M part numbers, listed in Table 8.

1. The Keysight 01650-63203 saves space by

transition times (< 4 to 5 ns). Table 8. Twenty-pin connectors for fixed configuration probing. Figure 9.36. Isolation adapter (01650-63203) and equivalent load.

71 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet SIGNAL GND 4 SIGNAL GND 6 SIGNAL GND 8 SIGNAL GND 10 POWER GND 2 SIGNAL GND 12 SIGNAL GND 14 SIGNAL GND 16 SIGNAL GND 18 SIGNAL GND 20 SIGNAL GND 22 SIGNAL GND 24 SIGNAL GND 26 SIGNAL GND 28 SIGNAL GND 30 SIGNAL GND 32 SIGNAL GND 34 SIGNAL GND 36 SIGNAL GND 38 POWER GND 40 1 +5V (see note)

3 CLOCK

5 Do not connect

7 D15

9 D14

11 D13

13 D12

15 D11

17 D10

1 +5V (see note)

5 D14

7 D12

9 D10

Figure 9.37. Pinout for probe cable. Figure 9.38. Pinout for 100 kΩ isolation adapter (Keysight part number 01650-63203). 1. +5 V is supplied from the logic analyzer to provide power for analysis probes and demo boards. DO NOT connect these pins to a +5 V supply in the target system! Probing Solutions for 40-pin Logic Analyzers Custom Probing (Continued)

of the input series damping resistor. Table 9. Forty-pin connectors for fixed configuration probing. (Re-

2 POWER GND

4 SIGNAL GND

6 SIGNAL GND

8 SIGNAL GND

10 SIGNAL GND

12 SIGNAL GND

14 SIGNAL GND

16 SIGNAL GND

18 SIGNAL GND

20 SIGNAL GND

22 SIGNAL GND

24 SIGNAL GND

26 SIGNAL GND

28 SIGNAL GND

30 SIGNAL GND

32 SIGNAL GND

34 SIGNAL GND

36 SIGNAL GND

38 SIGNAL GND

40 POWER GND

Figure 9.39. Forty-pin connector pinout.

1. +5 V is supplied from the logic analyzer to provide power for analysis probes and demo boards.

73 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Probe cable (from logic analyzer) 40-pin connector (Keysight part number 1251-8828) 2 x 20-pin male connector with 0.1” x 0.1” spacing Figure 9.40. Connecting probe cable to 40-pin connector with isolation networks. Probing Solutions for 40-pin Logic Analyzers Custom Probing (Continued)

74 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet k 8.2 pF 7.4 pF Notes on using discrete components Discrete components can be used to design the isolation network. Keysight recommends the circuit shown in Figure 9.42. To achieve the equivalent load shown in the figure, trace lengths should be minimized by locating the RC network very near the measured node. Actual load will be the stub length load added to the equivalent load in the figure. Trace length from the suggested on-board RC network to the target connector must be 3 to 4 inches or less. This transmission line should be designed for an impedance in the range of 80 to 100 ohms (closer to 100 ohms is better). Figure 9.41. Equivalent load for on-target discrete components. Suggested on board isolation network Equivalent load Includes on board isolation network and logic analyzer Probing Solutions for 40-pin Logic Analyzers Custom Probing (Continued)

75 | Keysight | Probing Solutions for Logic Analyzers - Data Sheet Related Information http://www.mmm.com/interconnects AMP, Inc. Phone: 1-717-986-7777 Fax: 1-717-986-7575 Phone (USA only): 1-800-522-6752 E-mail: product.info@amp.com Web site: http:/ /www.amp.com Keysight Technologies Test and Measurement Organization support line phone number: 1-800-452-4844 Keysight Technologies Test and Measurement Organization web site: http://www.keysight.com Keysight Technologies Test and Measurement Logic Analyzers web site: http://www.keysight.com/find/logic Keysight Technologies Test and Measurements Accessories web site: http://www.keysight.com/find/la_probing Publication title Publication number U4164A 4 Gb/s State Mode Logic Analyzer Module - Data Sheet 5992-1057EN Analysis probes for processors and buses Publication title Publication number Application Support for Agilent Logic Analyzers - Configuration Guide 5966-4365E W2630 Series DDR2 BGA Probes for Logic Analyzers and Oscilloscopes - Data Sheet 5989-5964EN W3630A Series DDR3 BGA Probes for Logic Analyzers and Oscilloscopes - Data Sheet 5990-3179EN W4630A Series DDR4 BGA Interposers for Logic Analyzers - Data Sheet 5991-4258EN Pattern generator probing and accessories Publication title Publication number Measurement Modules for the 16900 Series - Data Sheet 5989-0422EN

16800 Series Portable Logic Analyzers - Data Sheet 5989-5063EN

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