M54HC573 Ver la hoja de datos (PDF) - STMicroelectronics

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M54HC573

HC563 INVERTING - HC573 NON INVERTING OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT

STMicroelectronics 

M54/M74HC563/573

TRUTH TABLE

INPUTS

OUTPUTS

OE

LE

D

Q (HC573)

Q (HC563)

H

X

X

Z

Z

L

L

X

NO CHANGE *

NO CHANGE *

L

H

L

L

H

L

H

H

H

L

X: DON’T CARE

Z: HIGH IMPEDANCE

*: Q/Q OUTPUTS ARE LATCHED AT THE TIME WHEN THE LE INPUT IS TAKEN LOW LOGIC LEVEL.

LOGIC DIAGRAMS

HC563

HC573

3/13

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