M74HC533 查看數據表（PDF） - STMicroelectronics

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M74HC533

HC373 NON INVERTING - HC533 INVERTING OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT

STMicroelectronics 

M54/M74HC373/533

TRUTH TABLE

INPUTS

OUTPUTS

OE

LE

D

Q (HC373)

Q (HC533)

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

HC373

HC533

3/13

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