HD74LV166A Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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производитель

HD74LV166A

Parallel-Load 8-bit Shift Register

Hitachi -> Renesas Electronics 

HD74LV166A

Function Table

Inputs

Internal outputs

CLR

SH/LD CLK INH CLK

SER

A ... H

QA

QB

L

X

X

X

X

X

L

L

H

X

L

L

X

X

QA0

QB0

H

L

L

↑

X

a ... h

a

b

H

H

H

Note:

H

L

↑

H

X

H

QAn

H

L

↑

L

X

L

QAn

X

H

↑

X

X

QA0

QB0

H: High level

L: Low level

↑: Low to high transition

X: Immaterial

a ... h: Parallel data

QA0 ... QH0: Outputs remain unchanged.

QAn ... QGn: Data shifted from the previous stage on a positive edge at the clock input.

Output

QH

L

QH0

h

QGn

QGn

QH0

Pin Arrangement

SER 1

A2

B3

C4

D5

CLK INH 6

CLK 7

GND 8

(Top view)

16 VCC

15 SH/LD

14 H

13 QH

12 G

11 F

10 E

9 CLR

2

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