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MC74HC597A

8-Bit Serial or Parallel Input/Serial-Output Shift Register with Input Latch

ON Semiconductor 

B1

C2

D3

E4

F5

G6

H7

GND 8

16 VCC

15 A

14 SA

13

SERIAL SHIFT/

PARALLEL LOAD

12 LATCH CLOCK

11 SHIFT CLOCK

10 RESET

9 QH

Figure 1. Pin Assignment

MC74HC597A

SERIAL

DATA

INPUT

SA 14

PARALLEL

DATA

INPUTS

A 15

B1

C2

D3

E4

F5

G6

H7

LATCH CLOCK 12

INPUT

LATCH

SHIFT

REGISTER

SERIAL

9 QH DATA

OUTPUT

SHIFT CLOCK 11

SERIAL SHIFT/ 13

PARALLEL LOAD

RESET 10

Figure 2. Logic Diagram

PIN 16 = VCC

PIN 8 = GND

ORDERING INFORMATION

Device

Package

Shipping†

MC74HC597ADG

SOIC−16

(Pb−Free)

48 Units / Rail

MC74HC597ADR2G

SOIC−16

(Pb−Free)

2500 Units / Reel

MC74HC597ADTR2G

TSSOP−16

(Pb−Free)

2500 Units / Reel

MC74HC597ADTG

TSSOP−16

(Pb−Free)

96 Units / Tube

†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging

Specifications Brochure, BRD8011/D.

http://onsemi.com

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