M74HC251(1993) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

View to exact match

M74HC251
(Rev.:1993)

8 BIT SIPO SHIFT REGISTER

STMicroelectronics 

M54/M74HC251

TRUTH TABLE

INPUTS

C

B

A

X

X

X

L

L

L

L

L

H

L

H

L

L

H

H

H

L

L

H

L

H

H

H

L

H

H

H

X: Don’t Care Z: HIGH Impedance

LOGIC DIAGRAM

STROBE

S

H

L

L

L

L

L

L

L

L

OUTPUS

Y

W

Z

Z

D0

D0

D1

D1

D2

D2

D3

D3

D4

D4

D5

D5

D6

D6

D7

D7

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