HD74HC193 查看數據表（PDF） - Hitachi -> Renesas Electronics

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产品描述 (功能)

生产厂家

HD74HC193

Synchronous Up/Down Decade Counter (Dual Clock Line) Synchronous Up/Donw 4-bit Binary Counter (Dual Clock Line)

Hitachi -> Renesas Electronics 

HD74HC192/HD74HC193

HD74HC193

Count

Down

Count

Up

Data A

Data B

Data C

Data D

Load

Clear

CK CK

R

S

Q

Q

CK CK

R

S

Q

Q

CK CK

R

S

Q

Q

CK CK

R

S

Q

Q

Borrow

Carry

QA

QB

QC

QD

4

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