HD74HC390 Ver la hoja de datos (PDF) - Hitachi -> Renesas Electronics

Número de pieza

componentes Descripción

fabricante

HD74HC390

Dual Decade Counters

Hitachi -> Renesas Electronics 

HD74HC390

Pin Arrangement

1A 1

1Clear 2

1QA

Output 3

1B 4

1QB 5

1QC 6

1QD 7

GND 8

16 VCC

CLR

1QA

1A

1B

1QB

15 2A

CLR

2QA

2A

2B

14 2Clear

13 2QA

Output

12 2B

1QC

2QB

11 2QB

1QD

2QC

10 2QC

2QD

9 2QD

(Top view)

2

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