HD74HC190 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74HC190

Synchronous Up/Down Decade Counter with Single Clock Line

Hitachi -> Renesas Electronics 

Logic Diagram

HD74HC190

Clock

Down/Up

Input A

Enable G

Input B

Input C

Input D

Load

HD74HC190/HD74HC191

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

5

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