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74HC597

8-bit shift register with input flip-flops

Philips Electronics 

Philips Semiconductors

8-bit shift register with input flip-flops

Product specification

74HC/HCT597

PIN DESCRIPTION

PIN NO.

SYMBOL

8

GND

9

Q

10

MR

11

SHCP

12

STCP

13

PL

14

15, 1, 2, 3, 4, 5, 6, 7

16

DS

D0 to D7

VCC

NAME AND FUNCTION

ground (0 V)

serial data output

asynchronous reset input (active LOW)

shift clock input (LOW-to-HIGH, edge-triggered)

storage clock input (LOW-to-HIGH, edge-triggered)

parallel load input (active LOW)

serial data input

parallel data inputs

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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