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MC74HCT157A

Part Number	MC74HCT157A
Manufacturer	Motorola
Description	Quad 2-Input Data Selector/Multiplexer
Published	Aug 17, 2005
Detailed Description	MOTOROLA SEMICONDUCTOR TECHNICAL DATA Quad 2-Input Data Selector/Multiplexer with LSTTL-Compatible Inputs High–Perform...
Datasheet	MC74HCT157A PDF File

Overview

MOTOROLA SEMICONDUCTOR TECHNICAL DATA Quad 2-Input Data Selector/Multiplexer with LSTTL-Compatible Inputs High–Performance Silicon–Gate CMOS The MC74HCT157A is identical in pinout to the LS157.
This device may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs.
This device routes 2 nibbles (A or B) to a single port (Y) as determined by the Select input.
The data is presented at the outputs in noninverted form.
A high level on the Output Enable input sets all four Y outputs to a low level.
The HCT157A is similar in function to the HC257 which has 3–state outputs.
• • • • • • Output Drive Capability: 10 LSTTL Loads TTL NMOS Compatible Input Levels Outp...

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MC74HCT157A Quad 2-Input Data Selector/Multiplexer - Motorola

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