AT17C002 ATMEL | Alldatasheet

Document overview

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Technical content

Features

  • EE Reprogrammable 2,097,152 x 1-bit Serial Memories Designed to Store Configuration Programs for Field Programmable Gate Arrays (FPGAs)  In-System Programmable via 2-wire Bus  Simple Interface to SRAM FPGAs  Compatible with Atmel AT6000, AT40K and AT94K Devices, Altera FLEX®, APEX™ Devices, Lucent ORCA® FPGAs, Xilinx XC3000™ , XC4000™ , XC5200™ , Spartan®, Virtex™ FPGAs  Cascadable Read Back to Support Additional Configurators or Higher-density Arrays  Low-power CMOS EEPROM Process  Programmable Reset Polarity  Available in 6 mm x 6 mm x 1 mm 8-lead LAP (Pin-compatible with 8-lead SOIC/VOIC Packages), 20-lead PLCC, 44-lead PLCC and 44-lead TQFP Packages (Pin-compatible Across Product Family)  Emulation of Atmel’s AT24CXXX Serial EEPROMs  Available in 3.3V ± 10% LV and 5V ± 5% C Versions  System-friendly READY Pin  Low-power Standby Mode  Replacement for AT17C/LV020

Description

The AT17C002 and AT17LV002 (high-density AT17 Series) FPGA Configuration EEPROMs (Configurators) provide an easy-to-use, cost-effective configuration mem- ory for programming Field Programmable Gate Arrays. The AT17 Series is packaged in the popular 8-lead LAP , 20-lead PLCC, 44-lead PLCC and the 44-lead TQFP . The AT17 Series family uses a simple serial-access procedure to configure one or more FPGA devices. The user can select the polarity of the reset function by programming four EEPROM bytes. These devices support a write protection mode and a system- friendly READY pin, which signifies a “good” power level to the FPGA and can be used to ensure reliable system power-up. The AT17 Series Configurators can be programmed with industry-standard program- mers, Atmel’s ATDH2200E Programming System and Atmel’s ATDH2225 ISP Cable. FPGA Configuration EEPROM Memory 2-megabit AT17C002 AT17LV002 Rev. 2281D–12/01

2 AT17C/LV002

2281D–12/01 Pin Configuration 8-lead LAP 44-lead PLCC DATA CLK RESET/OE CE VCC SER_EN CEO (A2) GND NC RESET/OE NC CE NC NC GND NC NC CEO(A2) NC NC CLK NC NC DATA NC VCC NC NC SER_EN NC WP1 NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC NC READY 20-lead PLCC 44-lead TQFP CLK WP1 RESET/OE NC CE NC SER_EN NC READY CEO(A2) NC GND NC NC NC NC DATA NC VCC NC NC RESET/OE NC CE NC NC GND NC NC CEO(A2) NC NC CLK NC NC DATA NC VCC NC NC SER_EN NC NC NC NC NC NC NC WP1 NC NC NC NC NC NC NC NC NC NC NC NC NC NC READY

2281D–12/01 Block Diagram Device Description The control signals for the configuration EEPROM (CE , RESET/OE and CCLK) inter- face directly with the FPGA device control signals. All FPGA devices can control the entire configuration process and retrieve data from the configuration EEPROM without requiring an external intelligent controller. The configuration EEPROM RESET/OE and CE pins control the tri-state buffer on the DATA output pin and enable the address counter. When RESET/OE is driven High, the configuration EEPROM resets its address counter and tri-states its DATA pin. The CE pin also controls the output of the AT17 Series Configurator. If CE is held High after the RESET/OE reset pulse, the counter is disabled and the DATA output pin is tri-stated. When OE is subsequently driven Low, the counter and the DATA output pin are enabled. When RESET/OE is driven High again, the address counter is reset and the DATA output pin is tri-stated, regardless of the state of CE. When the configurator has driven out all of its data and CEO is driven Low, the device tri-states the DATA pin to avoid contention with other configurators. Upon power-up, the address counter is automatically reset. This is the default setting for the device. Since almost all FPGAs use RESET Low and OE High, this document will describe RESET /OE. EEPROM CELL MATRIX ROW DECODER COLUMN DECODER TC CECLK READY RESET/OE CEO(A2) DATA BIT COUNTER OSC OSC CONTROL PROGRAMMING DATA SHIFT REGISTER PROGRAMMING MODE LOGIC ROW ADDRESS COUNTER POWER ON RESET SER_EN WP1

4 AT17C/LV002

2281D–12/01 Note: 1. This pin is not available on the 8-lead packages. Pin Configurations LAP Pin PLCC Pin TQFP Pin PLCC Pin Name I/O Description 1 2 40 2 DATA I/O Three-state DAT A output for configuration. Open-collector bi-directional pin for programming. 2 4 43 5 CLK I Clock input. Used to increment the internal address and bit counter for reading and programming. – 577 W P 1 (1) I WRITE PROTECT (1). Used to protect portions of memory during programming. Disabled by default due to internal pull-down resistor. This input pin is not used during FPGA loading operations. 36 1 3 1 9 RESET/OE I Output Enable (active High) and RESET (active Low) when SER_EN is High. A Low level on RESET/OE resets both the address and bit counters. A High level (with CE Low) enables the data output driver. The logic polarity of this input is programmable as either RESET/OE or RESET/OE. For most applications, RESET should be programmed active Low. This document describes the pin as RESET/OE. 48 1 5 2 1 C E I Chip Enable input (active Low). A Low level (with OE High) allows DCLK to increment the address counter and enables the data output driver. A High level on CE disables both the address and bit counters and forces the device into a low-power standby mode. Note that this pin will not enable/disable the device in the 2-wire Serial Programming mode ER_EN Low). 5 10 18 24 GND Ground pin. A 0.2 µF decoupling capacitor between VCC and GND is recommended. 61 4 2 1 2 7 CEO O Chip Enable Output (active Low). This output goes Low when the address counter has reached its maximum value. In a daisy chain of AT17 Series devices, the CEO pin of one device must be connected to the CE input of the next device in the chain. It will stay Low as long as CE is low and OE is High. It will then follow CE until OE goes Low; thereafter, CEO will stay High until the entire EEPROM is read again. A2 I Device selection input, A2. This is used to enable (or select) the device during programming (i.e., when SER_EN is Low). A2 has an internal pulldown resistor. – 15 23 29 READY (1) O Open collector reset state indicator. Driven Low during power-up reset, released when power-up is complete. (Recommend a 4.7 kΩ pull-up on this pin if used). 7 17 35 41 SER_EN I Serial enable must be held High during FPGA loading operations. Bringing SER_EN Low enables the 2-wire Serial Programming Mode. For non-ISP applications, SER_EN should be tied to VCC. 82 0 3 8 4 4 VCC +3.3V/+5V power supply pin.

2281D–12/01 FPGA Master Serial Mode Summary The I/O and logic functions of any SRAM-based FPGA are established by a configura- tion program. The program is loaded either automatically upon power-up, or on command, depending on the state of the FPGA mode pins. In Master Mode, the FPGA automatically loads the configuration program from an external memory. The AT17 Serial Configuration EEPROM has been designed for compatibility with the Master Serial Mode. This document discusses the AT40K, AT40KAL and AT94KAL applications, as well as Xilinx applications. Control of Configuration Most connections between the FPGA device and the AT17 Serial EEPROM are simple and self-explanatory:  The DATA output of the AT17 Series Configurator drives DIN of the FPGA devices.  The master FPGA CCLK output drives the CLK input of the AT17 Series Configurator.  The CEO output of any AT17 Series Configurator drives the CE input of the next Configurator in a cascade chain of EEPROMs.  SER_EN must be connected to VCC (except during ISP).  The READY pin is available as an open-collector indicator of the device’s reset status; it is driven Low while the device is in its power-on reset cycle and released (tri-stated) when the cycle is complete. Cascading Serial Configuration EEPROMs For multiple FPGAs configured as a daisy-chain, or for FPGAs requiring larger configu- ration memories, cascaded Configurators provide additional memory. As the last bit from the first Configurator is read, the clock signal to the Configurator asserts its CEO output Low and disables its DATA line driver. The second Configurator recognizes the Low level on its CE input and enables its DATA output. After configuration is complete, the address counters of all cascaded Configurators are reset if the RESET/OE on each Configurator is driven to its active (Low) level. If the address counters are not to be reset upon completion, then the RESET/OE input can be tied to its inactive (High) level. AT17 Series Reset Polarity The AT17 Series Configurator allows the user to program the reset polarity as either RESET/OE or RESET/OE. This feature is supported by industry-standard programmer algorithms. Programming Mode The programming mode is entered by bringing SER_EN Low. In this mode the chip can be programmed by the 2-wire serial bus. The programming is done at V CC supply only. Programming super voltages are generated inside the chip. The AT17C parts are read/write at 5V nominal. The AT17LV parts are read/write at 3.3V nominal. Standby Mode The AT17C/LV002 Series Configurator enters a low-power standby mode whenever CE is asserted High. In this mode, the Configurator consumes less than 0.5 mA of current at 5V. The output remains in a high-impedance state regardless of the state of the OE input.

6 AT17C/LV002

Figure 1. AT17 Series Device for Programming PSLI Devices Notes: 1. Reset polarity must be set to active Low.

  1. Use of the optional READY pin is not available on the AT17C/LV65/128/256 devices.

nal address pointer so that the reconfiguration starts at the beginning. Figure 2. Drop-In Replacement of XC17/ATT17 PROMs for Xilinx/Lucent FPGA Applications Notes: 1. Reset polarity must be set to active Low.

  1. Use of the optional READY pin is not available on the AT17C/LV65/128/256 devices.
  2. An internal pull-up resistor is enabled here for DONE.

8 AT17C/LV002

2281D–12/01 Absolute Maximum Ratings* Maximum Ratings may cause permanent dam- age to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those listed under oper- ating conditions is not implied. Exposure to Abso- lute Maximum Rating conditions for extended periods of time may affect device reliability. Voltage on Any Pin CC +0.5V Operating Conditions Symbol Description AT17C002 AT17LV002 UnitsMin Max Min Max VCC Commercial Supply voltage relative to GND, -0°C to +70°C 4.75 5.25 3.0 3.6 V Industrial Supply voltage relative to GND, -40°C to +85°C 4 . 55 . 53 . 03 . 6 V Military Supply voltage relative to GND, -55°C to +125°C 4 . 55 . 53 . 03 . 6 V

2281D–12/01 DC Characteristics VCC = 5V ± 5% Commercial, 5V ± 10% Industrial/Military Symbol Description Min Max Units VIH High-Level Input Voltage 2.0 V CC V VIL Low-level input voltage 0.0 0.8 V VOH High-level Output Voltage (IOH = -4 mA) Commercial 3.86 V VOL Low-level Output Voltage (IOL = +4 mA) 0.32 V VOH High-level Output Voltage (IOH = -4 mA) Industrial 3.76 V VOL Low-level Output Voltage (IOL = +4 mA) 0.37 V VOH High-level Output Voltage (IOH = -4 mA) Military 3.7 V VOL Low-level Output Voltage (IOL = +4 mA) 0.4 V ICCA Supply Current, Active Mode 10 mA IL Input or Output Leakage Current (VIN = VCC or GND) -10 10 µA ICCS1 Supply Current, Standby Mode, CMOS Commercial 0.5 mA Industrial/Military 0.75 mA ICCS2 Supply Current, Standby Mode, TTL Commercial/Industrial 1 mA DC Characteristics VCC = 3.3V ± 10% Symbol Description Min Max Units V IH High-level input voltage 2.0 V CC V VIL Low-level input voltage 0.0 0.8 V VOH High-level Output Voltage (IOH = -2.5 mA) Commercial 2.4 V VOL Low-level Output Voltage (IOL = +3 mA) 0.4 V VOH High-level Output Voltage (IOH = -2 mA) Industrial 2.4 V VOL Low-level Output Voltage (IOL = +3 mA) 0.4 V VOH High-level Output Voltage (IOH = -2 mA) Military 2.4 V VOL Low-level Output Voltage (IOL = +2.5 mA) 0.4 V ICCA Supply Current, Active Mode 5 mA IL Input or Output Leakage Current (VIN = VCC or GND) -10 10 µA ICCS Supply Current, Standby Mode Commercial 200 µA Industrial/Military 200 µA

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2281D–12/01 AC Characteristics AC Characteristics when Cascading CE RESET/OE CLK DATA TSCE TLC THC TCACTOE TCE TOH THOE TSCE THCE TDF TOH CE RESET/OE CLK DATA CEO TCDF TOCK TOCE TOCE TOOE LAST BIT FIRST BIT

2281D–12/01 Notes: 1. Preliminary specifications for military operating range only. 2. AC test load = 50 pF . 3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady state active levels. Notes: 1. Preliminary specifications for military operating range only. 2. AC test load = 50 pF . 3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady state active levels. AC Characteristics for AT17C002 VCC = 5V ± 5% Commercial, VCC = 5V ± 10% Industrial/Military Symbol Description Commercial Industrial/Military (1) UnitsM i nM a xM i nM a x TOE (2) OE to Data Delay 30 35 ns TCE (2) CE to Data Delay 45 45 ns TCAC (2) CLK to Data Delay 50 50 ns TOH Data Hold From CE, OE or CLK 0 0 ns TDF (3) CE or OE to Data Float Delay 50 50 ns TLC CLK Low Time 20 20 ns THC CLK High Time 20 20 ns TSCE CE Setup Time to CLK (to guarantee proper counting) 20 25 ns THCE CE Hold Time from CLK (to guarantee proper counting) 0 0 ns THOE OE High Time (guarantees counter is reset) 20 20 ns FMAX Maximum Input Clock Frequency 15 15 MHz AC Characteristics for AT17C002 when Cascading VCC = 5V ± 5% Commercial/VCC = 5V ± 10% Industrial/Military Symbol Description Commercial Industrial/Military (1) UnitsM i nM a xM i nM a x TCDF (3) CLK to Data Float Delay 50 50 ns TOCK (2) CLK to CEO Delay 35 40 ns TOCE (2) CE to CEO Delay 35 35 ns TOOE (2) RESET/OE to CEO Delay 30 30 ns FMAX Maximum Input Clock Frequency 12.5 12.5 MHz

12 AT17C/LV002

2281D–12/01 Notes: 1. Preliminary specifications for military operating range only. 2. AC test load = 50 pF . 3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady state active levels. Notes: 1. Preliminary specifications for military operating range only. 2. AC test load = 50 pF . 3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady state active levels. AC Characteristics for AT17LV002 VCC = 3.3V ± 10% Symbol Description Commercial Industrial/Military (1) UnitsM i nM a xM i nM a x TOE (2) OE to Data Delay 50 55 ns TCE (2) CE to Data Delay 55 60 ns TCAC (2) CLK to Data Delay 55 60 ns TOH Data Hold From CE, OE or CLK 0 0 ns TDF (3) CE or OE to Data Float Delay 50 50 ns TLC CLK Low Time 25 25 ns THC CLK High Time 25 25 ns TSCE CE Setup Time to CLK (to guarantee proper counting) 30 35 ns THCE CE Hold Time from CLK (to guarantee proper counting) 0 0 ns THOE OE High Time (guarantees counter is reset) 25 25 ns FMAX Maximum Input Clock Frequency 15 10 MHz AC Characteristics for AT17LV002 when Cascading VCC = 3.3V ± 10% Symbol Description Commercial Industrial/Military (1) UnitsM i nM a xM i nM a x TCDF (3) CLK to Data Float Delay 50 50 ns TOCK (2) CLK to CEO Delay 50 55 ns TOCE (2) CE to CEO Delay 35 40 ns TOOE (2) RESET/OE to CEO Delay 35 35 ns FMAX Maximum Input Clock Frequency 12.5 10 MHz

2281D–12/01 Thermal Resistance Coefficients(1) Note: 1. For more information refer to the “Thermal Characteristics of Atmel ’s Packages ”, available on the Atmel web site, at http://www.atmel.com/atmel/acrobat/doc0636.pdf. Package Type θJC [°C/W] θJA [°C/W] Airflow = 0 ft/min Leadless Array Package (LAP) 8CN4 45 159.60 Plastic Leaded Chip Carrier (PLCC) 20J 35 90 Thin Plastic Quad Flat Package (TQFP) 44A 17 62 Plastic Leaded Chip Carrier (PLCC) 44J 15 50

14 AT17C/LV002

2281D–12/01 Ordering Information – 5V Devices Memory Size Ordering Code Package Operation Range 2-Mbit AT17C002-10CC AT17C002-10JC AT17C002-10TQC AT17C002-10BJC 8CN4 20J 44A 44J Commercial (0°C to 70°C) AT17C002-10CI AT17C002-10JI AT17C002-10TQI AT17C002-10BJI 8CN4 20J 44A 44J Industrial (-40°C to 85°C) Ordering Information – 3.3V Devices Memory Size Ordering Code Package Operation Range 2-Mbit AT17LV002-10CC AT17LV002-10JC A T17LV002-10TQC AT17LV002-10BJC 8CN4 20J 44A 44J Commercial (0°C to 70°C) AT17LV002-10CI AT17LV002-10JI AT17LV002-10TQI AT17LV002-10BJI 8CN4 20J 44A 44J Industrial (-40°C to 85°C) Package Type 8CN4 8-lead, 6 mm x 6 mm x 1 mm, Leadless Array Package (LAP) – Pin-compatible with 8-lead SOIC/VOIC Packages 20J 20-lead, Plastic J-leaded Chip Carrier (PLCC) 44A 44-lead, Thin (1.0 mm) Plastic Quad Flat Package Carrier (TQFP) 44J 44-lead, Plastic J-leaded Chip Carrier (PLCC)

2281D–12/01 Packaging Information 8CN4 – LAP 1150 E.Cheyenne Mtn Blvd. Colorado Springs, CO 80906 TITLE DRAWING NO. R REV. 8CN4, 8-lead (6 x 6 x 1.04 mm Body), Lead Pitch 1.27 mm, Leadless Array Package (LAP) A8CN4 11/14/01 COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN NOM MAX NOTE A 0.94 1.04 1.14 A1 0.30 0.34 0.38 b 0.45 0.50 0.55 1 D 5.89 5.99 6.09 E 4.89 5.99 6.09 e 1.27 BSC e1 1.10 REF L 0.95 1.00 1.05 1 L1 1.25 1.30 1.35 1 Note: 1. Metal Pad Dimensions. Pin1 Corner Marked Pin1 Indentifier 0.10 mm TYP Top View L b e Side View A Bottom View E D

16 AT17C/LV002

2281D–12/01 20J – PLCC 1.14(0.045) X 45˚ PIN NO. 1 IDENTIFIER 1.14(0.045) X 45˚ 0.51(0.020)MAX 0.318(0.0125) 0.191(0.0075)

2325 Orchard Parkway

San Jose, CA 95131 TITLE DRAWING NO. R REV. 20J, 20-lead, Plastic J-leaded Chip Carrier (PLCC) B20J 10/04/01 45˚ MAX (3X) Notes: 1. This package conforms to JEDEC reference MS-018, Variation AA. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is .010"(0.254 mm) per side. Dimension D1 and E1 include mold mismatch and are measured at the extreme material condition at the upper or lower parting line. 3. Lead coplanarity is 0.004" (0.102 mm) maximum. COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN NOM MAX NOTE A 4.191 – 4.572 A1 2.286 – 3.048 A2 0.508 – – D 9.779 – 10.033 D1 8.890 – 9.042 Note 2 E 9.779 – 10.033 E1 8.890 – 9.042 Note 2 D2/E2 7.366 – 8.382 B 0.660 – 0.813 B1 0.330 – 0.533 e 1.270 TYP A D2/E2 B e E1 E D

2281D–12/01 44A – TQFP San Jose, CA 95131 TITLE DRAWING NO. R REV. 44A, 44-lead, 10 x 10 mm Body Size, 1.0 mm Body Thickness, 0.8 mm Lead Pitch, Thin Profile Plastic Quad Flat Package (TQFP) B44A 10/5/2001 PIN 1 IDENTIFIER 0˚~7˚ PIN 1 Notes: 1. This package conforms to JEDEC reference MS-026, Variation ACB. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is 0.25 mm per side. Dimensions D1 and E1 are maximum plastic body size dimensions including mold mismatch. 3. Lead coplanarity is 0.10 mm maximum. COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN NOM MAX NOTE A – – 1.20 A1 0.05 – 0.15 A2 0.95 1.00 1.05 D 11.75 12.00 12.25 D1 9.90 10.00 10.10 Note 2 E 11.75 12.00 12.25 E1 9.90 10.00 10.10 Note 2 B 0.30 – 0.45 C 0.09 – 0.20 L 0.45 – 0.75 e 0.80 TYP L C A1 A2 A D e E1 E B

18 AT17C/LV002

2281D–12/01 44J – PLCC 1.14(0.045) X 45˚ PIN NO. 1 IDENTIFIER 1.14(0.045) X 45˚ 0.51(0.020)MAX 0.318(0.0125) 0.191(0.0075) San Jose, CA 95131 TITLE DRAWING NO. R REV. 44J, 44-lead, Plastic J-leaded Chip Carrier (PLCC) B44J 10/04/01 45˚ MAX (3X) Notes: 1. This package conforms to JEDEC reference MS-018, Variation AC. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is .010"(0.254 mm) per side. Dimension D1 and E1 include mold mismatch and are measured at the extreme material condition at the upper or lower parting line. 3. Lead coplanarity is 0.004" (0.102 mm) maximum. COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN NOM MAX NOTE A 4.191 – 4.572 A1 2.286 – 3.048 A2 0.508 –– D 17.399 – 17.653 D1 16.510 – 16.662 Note 2 E 17.399 – 17.653 E1 16.510 – 16.662 Note 2 D2/E2 14.986 – 16.002 B 0.660 – 0.813 B1 0.330 – 0.533 e 1.270 TYP A B1 D2/E2 B e E1 E D

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Atmel Configurator Hotline (408) 436-4119 Atmel Configurator e-mail configurator@atmel.com FAQ Available on web site e-mail literature@atmel.com Web Site http://www.atmel.com Printed on recycled paper. 2281D–12/01/xM Atmel® is the registered trademark of Atmel. FLEX ® is the registered trademark of Altera Corporation; ORCA ® is the registered of Lucent Technologies, Inc.; Spartan® is the registered trademark of Xilinx, Inc. XC 3000™ , XC4000™ , XC5200™ and Virtex ™ are the trademarks of Xilinx, Inc. Other terms and product names may be trademarks of others.