HD74HC190FP 查看數據表（PDF） - Hitachi -> Renesas Electronics

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产品描述 (功能)

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HD74HC190FP

Synchronous Up/Down Decade Counter with Single Clock Line

Hitachi -> Renesas Electronics 

HD74HC190/HD74HC191

HD74HC191

Clock

Down/Up

Input A

Enable G

Input B

Input C

Input D

Load

CK P Q

CK A

INCL Q

CK P Q

CK B

INCL Q

CK P Q

CK C

INCL Q

CK P Q

CK D

INCL Q

Ripple

Clock

Max/Min

Output

QA

QB

QC

QD

6

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