IDTQS3306A RENESAS | Alldatasheet
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HIGH-SPEED CMOS DUAL BUS SWITCH WITH INDIVIDUAL ENABLES INDUSTRIAL TEMPERATURE RANGE OCTOBER 2011 2011 Integrated Device Technology, Inc. DSC-5577/5c INDUSTRIAL TEMPERATURE RANGE FEATURES:
- Enhanced N channel FET with no inherent diode to Vcc
- Very low ON resistance (5 Ω ΩΩ ΩΩ typical)
- Zero propagation delay, zero added ground bounce
- Fast turn-on/turn-off time
- Undershoot clamp diodes on all switch and control inputs
- Available in SOIC package The IDT logo is a registered trademark of Integrated Device Technology, Inc. APPLICATIONS:
- Line control
- Hot-swapping, hot-docking
- Voltage translation (5V to 3.3V)
- Power conservation
- Capacitance reduction and isolation
- Clock gating
- Bus isolation
- Signal suppression/blanking IDTQS3306A FUNCTIONAL BLOCK DIAGRAM QUICKSWITCH® PRODUCTS HIGH-SPEED CMOS DUAL BUS SWITCH WITH INDIVIDUAL ACTIVE LOW ENABLES DESCRIPTION: The QS3306A provides a set of two high-speed low resistance (3 Ω typical) CMOS switches connecting inputs to outputs without propagation delay and without generating additional ground bounce noise. Individual enables (OE) are used to turn on the switches. The QS3306A is ideal for signal and control switching since the device adds no noise, ground bounce, propagation delay, or significant power consumption to the system. The QS3306A can also be used for analog switching applications such as video. The QS3306A is characterized for operation at -40°C to +85°C. 1OE 2OE 1A 2A 1B 2B
INDUSTRIAL TEMPERATURE RANGE IDTQS3306A HIGH-SPEED CMOS DUAL BUS SWITCH WITH INDIVIDUAL ENABLES PIN CONFIGURATION SOIC (S1) TOP VIEW Symbol Description Max Unit VTERM(2) Supply Voltage to Ground –0.5 to +7 V VTERM(3) DC Switch Voltage V S –0.5 to +7 V VTERM(3) DC Input Voltage VIN –0.5 to +7 V VAC AC Input Voltage (pulse width ≤20ns) –3 V IOUT DC Output Current 120 mA PMAX Maximum Power Dissipation 0.5 W TSTG Storage Temperature –65 to +150 °C ABSOLUTE MAXIMUM RATINGS(1) NOTE: 1. H = HIGH Voltage Level L = LOW Voltage Level X = Don't Care xOE xA xB Function L H H Connect L L L Connect H X X Disconnect FUNCTION TABLE(1) Pins Typ. Max. (1) Unit OE (Inputs) 3 5 pF Quickswitch Channels (Switch OFF) 5 7 pF CAPACITANCE (TA = +25°C, f = 1MHz, VIN = 0V, VOUT = 0V) NOTE: 1. This parameter is guaranteed but not production tested. Pin Names I/O Description 1A - 2A I/O Bus A 1B - 2B I/O Bus B 1OE - 2OE I Switch Enable PIN DESCRIPTION NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. V CC terminals. 3. All terminals except V CC . Vcc 2OE 1B 2A 1OE GND
HIGH-SPEED CMOS DUAL BUS SWITCH WITH INDIVIDUAL ENABLES INDUSTRIAL TEMPERATURE RANGE TYPICAL ON RESISTANCE vs VIN AT VCC = 5V RON (ohms) VIN (Volts) Symbol Parameter Test Conditions Min. Typ.(1) Max. Unit VIH Input HIGH Voltage Guaranteed Logic HIGH for Control Pins 2 — — V VIL Input LOW Voltage Guaranteed Logic LOW for Control Pins — — 0.8 V IIN Input Leakage Current (Control Inputs) 0V ≤ VIN ≤ VCC —— ± 1 μA IOZ Off-State Current (Hi-Z) 0V ≤ VOUT ≤ VCC, Switches OFF — — ±1 μA RON Switch ON Resistance(2) VCC = Min., VIN = 0V, ION = 30mA — 5 7 Ω VCC = Min., VIN = 2.4V, ION = 15mA — 10 15 VP Pass Voltage(3) VIN = VCC = 5V, IOUT = -5μA 3.7 4 4.2 V DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE Following Conditions Apply Unless Otherwise Specified: Industrial: TA = –40°C to +85°C, VCC = 5V ± 5% NOTES: 1. Typical values are at V CC = 5V and T A = 25°C. 2. R ON is guaranteed but not production tested. 3. Pass voltage is guaranteed but not production tested.
INDUSTRIAL TEMPERATURE RANGE IDTQS3306A HIGH-SPEED CMOS DUAL BUS SWITCH WITH INDIVIDUAL ENABLES NOTES: 1. For conditions shown as Min. or Max., use the appropriate values specified under DC Electrical Characteristics. 2. Per TTL-driven input (V IN = 3.4V, control inputs only). A and B pins do not contribute to ΔIcc. 3. This current applies to the control inputs only and represents the current required to switch internal capacitance at the spe cified frequency. The A and B inputs generate no significant AC or DC currents as they transition. This parameter is guaranteed but not production tested. POWER SUPPLY CHARACTERISTICS Symbol Parameter Test Conditions(1) Max. Unit ICCQ Quiescent Power Supply Current V CC = Max., VIN = GND or VCC, f = 0 3 μA ΔICC Power Supply Current per Input HIGH(2) VCC = Max., VIN = 3.4V, f = 0 1 mA ICCD Dynamic Power Supply Current per MHz (3) VCC = Max., A and B Pins Open, Control Inputs Toggling @ 50% Duty Cycle 0.25 mA/MHz SWITCHING CHARACTERISTICS OVER OPERATING RANGE TA = -40°C to +85°C, VCC = 5V ± 5% CLOAD = 50pF, RLOAD = 500Ω unless otherwise noted. Symbol Parameter Min . (1) Typ. Max. Unit tPLH Data Propagation Delay(2) ⎯⎯ 0.25(3) ns tPHL xA to xB tPZL Switch Turn-On Delay 1.5 ⎯ 6.5 ns tPZH OE to xA/xB tPLZ Switch Turn-Off Delay(2) 1.5 ⎯ 5.5 ns tPHZ OE to xA/xB NOTES: 1. Minimums are guaranteed but not production tested. 2. This parameter is guaranteed but not production tested. 3. The bus switch contributes no propagation delay other than the RC delay of the ON resistance of the switch and the load capac itance. The time constant for the switch alone is of the order of 0.25ns at C L = 50pF. Since this time constant is much smaller than the rise and fall times of typical driving signals, it adds very little propagation delay to the system. Propagation delay of the bus switch, when used in a system, is determined by the driving circuit on the driving side o f the switch and its interaction with the load on the driven side.
HIGH-SPEED CMOS DUAL BUS SWITCH WITH INDIVIDUAL ENABLES INDUSTRIAL TEMPERATURE RANGE
ORDERING INFORMATION
Blank Industrial (-40°C to +85°C) 8 pin Small Outline IC - GreenS1G 3306A High Speed CMOS Dual Bus Switch with Individual Active Low Enables X Process X Blank Tube or Tray Tape and Reel CORPORATE HEADQUARTERS for SALES: for Tech Support: 6024 Silver Creek Valley Road 800-345-7015 or 408-284-8200 logichelp@idt.com San Jose, CA 95138 fax: 408-284-2775 www.idt.com
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