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IN74AC257

Part Number	IN74AC257
Manufacturer	IK Semiconductor
Description	Quad 2-1 Data Selector/Multiplexer
Published	Dec 8, 2005
Detailed Description	TECHNICAL DATA IN74AC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Speed Silicon-Gate CMOS The ...
Datasheet	IN74AC257 PDF File

Overview

TECHNICAL DATA IN74AC257 Quad 2-Input Data Selector/Multiplexer with 3-State Outputs High-Speed Silicon-Gate CMOS The IN74AC257 is identical in pinout to the LS/ALS257, HC/HCT257.
The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALS outputs.
This device selects a (4-bit) nibble from either the A or B inputs as determined by the Select input.
The nibble is presented at the outputs in noninverted from when the Output Enable pin is at a low level.
A high level on the Output Enable pin switches the outputs into the highimpedance state.
• Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 2.
0 to 6.
0 V • Low...

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