HD74ACT166 View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

MFG CO.

HD74ACT166

8-bit Shift Register

Hitachi -> Renesas Electronics 

Truth Table

Inputs

MR

PE

L

X

CP2

CP1

DS

X

X

X

H

X

L

L

X

H

L

L

X

H

H

L

H

H

H

L

L

H

X

H

X

H : High Voltage Level

L : Low Voltage Level

X : Immaterial

: Low-to-High Clock Transition

HD74AC166/HD74ACT166

Parallel

P0 to P7

X

X

a ··· h

X

X

X

Internal Outputs

Q0

Q6

L

L

QA0

QB0

a

b

H

QAn

L

QAn

QA0

QB0

Output

Q7

L

QH0

h

QGn

QGn

QH0

Logic Diagram

CP

P0

DS

P1

P2

P3

P4

P5

P6

MR

P7 PE

12

R CP S

CD

Q

R CP S

CD

Q

Q7

3

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