HD74HC192 查看數據表（PDF） - Hitachi -> Renesas Electronics

零件编号

产品描述 (功能)

比赛名单

HD74HC192

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

Hitachi -> Renesas Electronics 

HD74HC192/HD74HC193

Pin Arrangement

Outputs

Inputs

Outputs

Data B

Input

1

QB 2

QA 3

Count

Down

4

Count

Up

5

QC 6

QD 7

GND 8

QB B A

QA Clear

Count

Down

Borrow

Count

Up

Carry

QC Load

QD D C

(Top view)

16 VCC

15 Data A

14 Clear

Inputs

13 Borrow

12 Carry

Outputs

11 Load

10 Data C Inputs

9 Data D

2

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