74HCT166 查看數據表（PDF） - Philips Electronics

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74HCT166

8-bit parallel-in/serial-out shift register

Philips Electronics 

Philips Semiconductors

8-bit parallel-in/serial-out shift register

Product specification

74HC/HCT166

PIN DESCRIPTION

PIN NO.

1

2, 3, 4, 5, 10, 11, 12, 14

6

7

8

9

13

15

16

SYMBOL

Ds

D0 to D7

CE

CP

GND

MR

Q7

PE

VCC

NAME AND FUNCTION

serial data input

parallel data inputs

clock enable input (active LOW)

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

ground (0 V)

asynchronous master reset (active LOW)

serial output from the last stage

parallel enable input (active LOW)

positive supply voltage

Fig.1 Pin configuration.

Fig.2 Logic symbol.

Fig.3 IEC logic symbol.

December 1990

3

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