HD74LS192 데이터 시트보기 (PDF) - Renesas Electronics

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HD74LS192

Synchronous Up / Down Decade Counter (dual clock lines)

Renesas Electronics 

HD74LS192

Pin Arrangement

Data B

Input

1

Outputs

QB 2

QA 3

Inputs

Count

Down

4

Count

Up

5

Outputs

QC 6

QD 7

GND 8

B

QB

A

QA

Clear

Count

Down

Borrow

Count

Up

Carry

QC

Load

QD

C

D

16 VCC

15 Data A

14 Clear

Inputs

13 Borrow

12 Carry

Outputs

11 Load

10 Data C Inputs

9 Data D

(Top view)

Rev.2.00, Feb.18.2005, page 2 of 10

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