HD74HC669 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74HC669

Synchronous UP/Down Decade Counter Synchronous Up/Down 4-bit binary Counter

Hitachi -> Renesas Electronics 

HD74HC668/HD74HC669

Logic Diagram

HD74HC668

Load

U/D

DA

Enable P

Enable T

DB

DC

VCC

DD

CK

L

TQ

INCK Q

L

TQ

INCK Q

L

TQ

INCK Q

L

TQ

INCK Q

QA

QB

QC

QD

RCO

4

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