SC74HC595A 데이터 시트보기 (PDF) - Silan Microelectronics

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SC74HC595A

8-BIT SHIFT REGISTER (SERIAL INPUT, 3S PARALLEL OUTPUT WITH LATCHES)

Silan Microelectronics 

TRUTH TABLE

SI

SCK

X

X

X

X

X

X

X

X

X

X

X

X

X: irrelevant

Input

SCLR

X

X

L

H

H

X

X

RCK

X

X

X

X

X

SC74HC595

Output

G

H

QA ~QH outputs disable

L

QA ~QH outputs enable

X

Register reset

X

Storage the data into register at the rising edge of SCK

X

The state of register is unchangeable

X

Storage the data into flip-latch at the rising edge of RCK

X

The state of flip-latch is unchangeable

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: www.silan.com.cn

REV:1.0 2006.04.19

Page 10 of 13

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