HD74LV393A 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74LV393A

Dual 4-bit Binary Counters

Hitachi -> Renesas Electronics 

HD74LV393A

Function Table

Inputs

CLK

X

H

L

↑

↓

Note:

H: High level

L: Low level

X: Immaterial

↑: Low to high transition

↓: High to low transition

CLR

H

L

L

L

L

Pin Arrangement

Output

L

No change

No change

No change

Count up

1CLK 1

1CLR 2

1QA 3

1QB 4

1QC 5

1QD 6

GND 7

14 VCC

13 2CLK

12 2CLR

11 2QA

10 2QB

9 2QC

8 2QD

(Top view)

2

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