HCF4031B 查看數據表（PDF） - STMicroelectronics

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HCF4031B

64-STAGE STATIC SHIFT REGISTER

STMicroelectronics 

LOGIC DIAGRAM AND TRUTH TABLES

HCC/HCF4031B

INPUT CONTROL CIRCUIT

Data

Recirc.

Mode

1

X

0

0

X

0

X

1

1

X

0

1

Bit Into

Stage 1

1

0

1

0

TYPICAL STAGE

Data

CL

0

–/–

1

–/–

X

–\–

1 = HIGH LEVEL

Data + 1

0

1

NC

0 = LOW LEVEL

X = DON’T CARE

OUTPUT FROM Q’ (pin 5)

Data + 64

0

1

X

CL

Data + 64.5

–\–

0

–\–

1

–/–

NC

NC = NO CHANGE

3/12

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