74HCT157DB Просмотр технического описания (PDF) - Philips Electronics

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производитель

74HCT157DB

Quad 2-input multiplexer

Philips Electronics 

Philips Semiconductors

Quad 2-input multiplexer

Product specification

74HC/HCT157

FUNCTION TABLE

INPUTS

OUTPUT

E

S

nI0

nI1

nY

H

X

X

X

L

L

L

L

X

L

L

L

H

X

H

L

H

X

L

L

L

H

X

H

H

Notes

1. H = HIGH voltage level

L = LOW voltage level

X = don’t care

Fig.4 Functional diagram.

December 1990

Fig.5 Logic diagram.

4

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