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componentes Descripción

Fabricante

74HCT195

4-bit parallel access shift register

Philips Electronics 

Philips Semiconductors

4-bit parallel access shift register

PIN DESCRIPTION

PIN NO.

1

2

3

4, 5, 6, 7

8

9

10

11

15, 14, 13, 12

16

SYMBOL

MR

J

K

D0 to D3

GND

PE

CP

Q3

Q0 to Q3

VCC

NAME AND FUNCTION

master reset input (active LOW)

first stage J-input (active HIGH)

first stage K-input (active LOW)

parallel data inputs

ground (0 V)

parallel enable input (active LOW)

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

inverted output from the last stage

parallel outputs

positive supply voltage

Product specification

74HC/HCT195

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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