M74HC354 데이터 시트보기 (PDF) - STMicroelectronics

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M74HC354

8 CHANNEL MULTIPLEXER/REGISTER (3 STATE)

STMicroelectronics 

M54/M74HC354

INPUT AND OUTPUT EQUIVALENT CIRCUIT

LOGIC DIAGRAM

TRUTH TABLE OF INTERNAL LATCH

INPUTS

OUTPUTS

D

ST

Q

Q

L

H

L

H

H

H

H

L

X

L

Qn

Qn

X: DON’T CARE

Qn: DATA STORED AT THE TRAILING EDGE

OF THE MOST RECENT ST PULSE.

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