HD74LS190 데이터 시트보기 (PDF) - Renesas Electronics

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HD74LS190

Synchronous Up / Down Decade Counter (signal clock line)

Renesas Electronics 

HD74LS190

Pin Arrangement

Data B

Input

1

Outputs

QB 2

QA 3

Enable G 4

Inputs

Down/Up 5

Outputs

QC 6

QD 7

GND 8

B

QB

A

QA

CK

G

Ripple

Clock

Dn/Up

Max/

Min

QC

Load

QD

C

D

(Top view)

16 VCC

15 Data A

14 Clock

13

Ripple

Clock

12 Max/Min

11 Load

10 Data C

9 Data D

Inputs

Outputs

Inputs

Rev.3.00, Jul.15.2005, page 2 of 10

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