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FST3244MTC

Part Number	FST3244MTC
Manufacturer	Fairchild Semiconductor
Description	Octal Bus Switch
Published	Mar 23, 2005
Detailed Description	FST3244 Octal Bus Switch June 1997 Revised December 1999 FST3244 Octal Bus Switch General Description The Fairchild Sw...
Datasheet	FST3244MTC PDF File

Overview

FST3244 Octal Bus Switch June 1997 Revised December 1999 FST3244 Octal Bus Switch General Description The Fairchild Switch FST3244 provides 8-bits of highspeed CMOS TTL-compatible bus switching in a standard ’244 pin-out.
The low on resistance of the switch allows inputs to be connected to outputs without adding propagation delay or generating additional ground bounce noise.
The device is organized as two 4-bit switches with separate OE inputs.
When OE is LOW, the switch is ON and Port A is connected to Port B.
When OE is HIGH, the switch is OPEN and a high-impedance state exists between the two ports.
Features s 4Ω switch connection between two ports.
s Minimal propagation delay through the switch.
s Low lCC.
s Zero bounce in flow-through mode.
s Control inputs compatible with TTL level.
Ordering Code: Order Number FST3244WM FST3244QSC FST3244MTC Package Number M20B MQA20 MTC20 Package Description 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.
300 Wide 20-Lead Quarter Size Outline Package (QSOP), JEDEC MO-137, 0.
150 Wide 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.
4mm Wide Devices also available in Tape and Reel.
Specify by appending the suffix letter “X” to the ordering code.
Logic Diagram Connection Diagram Truth Table Pin Descriptions Pin Name OE1, OE2 1A, 2A 1B, 2B Description Bus Switch Enable Bus A Bus B OE1 L L H H Inputs OE2 L H L H Inputs/Outputs 1A, 1B 1A = 1B 1A = 1B Z Z 2A, 2B 2A = 2B Z 2A = 2B Z © 1999 Fairchild Semiconductor Corporation DS500021 www.
fairchildsemi.
com FST3244 Absolute Maximum Ratings(Note 1) Supply Voltage (VCC ) DC Switch Voltage (VS) DC Input Voltage (VIN) (Note 2) DC Input Diode Current (lIK) VIN<0V DC Output (IOUT ) Sink Current DC VCC/GND Current (ICC/IGND) Storage Temperature Range (TSTG) −0.
5V to +7.
0V −0.
5V to +7.
0V −0.
5V to +7.
0V −50mA 128mA +/− 100mA −65°C to +150 °C Recommended Operating Conditions (Note 3) Power Supply Operating (VCC) Input Voltage (VIN) Output Voltage ...

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FST3244MTC Octal Bus Switch - Fairchild Semiconductor

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