HD74HC166FP 데이터 시트보기 (PDF) - Renesas Electronics

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HD74HC166FP

Parallel-load 8-bit Shift Register

Renesas Electronics 

HD74HC166

Pin Arrangement

Serial

Input

1

A2

B3

Parallel

Inputs C 4

D5

Clock

Inhibit

6

Clock 7

GND 8

(Top view)

16 VCC

15 Shift/Load

14

Parallel

Input H

13

Output

QH

12 G

11 F

Parallel

Inputs

10 E

9 Clear

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

Rev.3.00, Jan 31, 2006 page 2 of 6

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