HD74HC166 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HD74HC166

Parallel-load 8-bit Shift Register

Hitachi -> Renesas Electronics 

HD74HC166

Timing Diagram

Clock

Clock Inhibit

Clear

Serial Input

Shift/Load

A

B

C

D

Parallel

Inputs E

F

G

H

Output QH

Clear

Serial Shift

H

L

H

L

H

L

H

H

HH LH L HL HL

Inhibit

Load

Serial Shift

6

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