M74HCT158 Ver la hoja de datos (PDF) - STMicroelectronics

Número de pieza

componentes Descripción

fabricante

M74HCT158

HCT158 QUAD 2 CHANNEL MULTIPLEXER (INV.) HCT157 QUAD 2 CHANNEL MULTIPLEXER

STMicroelectronics 

TRUTH TABLE

STROBE

H

L

L

L

L

X: DON’T CARE

INPUTS

SELECT

A

X

X

L

L

L

H

H

X

H

X

IEC LOGIC SYMBOL

HCT157

M54/M74HCT157 M54/M74HCT158

OUTPUTS

B

Y (HCT157)

Y (HCT158)

X

L

H

X

L

H

X

H

L

L

L

H

H

H

L

HCT158

LOGIC DIAGRAM

HCT157

HCT158

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