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SL74HCT157

Part Number	SL74HCT157
Manufacturer	System Logic Semiconductor
Description	Quad 2-Input Data Selectors/Multiplexer
Published	Apr 16, 2005
Detailed Description	SL74HCT157 Quad 2-Input Data Selectors/Multiplexer High-Performance Silicon-Gate CMOS The SL74HCT157 is identical in pi...
Datasheet	SL74HCT157 PDF File

Overview

SL74HCT157 Quad 2-Input Data Selectors/Multiplexer High-Performance Silicon-Gate CMOS The SL74HCT157 is identical in pinout to the LS/ALS157.
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 noninvertered form.
A high level on the Output Enable input sets all four Y outputs to a low level.
• TTL/NMOS Compatible Input Levels • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 4.
5 to 5.
5 V • Low Input Current: 1.
0 µA ORDERING INFORMATION SL74HCT157N Plastic SL74HCT157D SOIC TA = -55° to 125° C for all packages PIN ASSIGNMENT LOGIC DIAGRAM FUNCTION TABLE Inputs Output Enable PIN 16 =VCC PIN 8 = GND H L L Select X L H Outputs Y0-Y3 L A0-A3 B0-B3 X=don’t care A0-A3,B0-B3=the levels of the respective Data-Word Inputs SLS System Logic Semiconductor SL74HCT157 MAXIMUM ...

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