BA7658 Ver la hoja de datos (PDF) - ROHM Semiconductor

Número de pieza

componentes Descripción

Fabricante

BA7658

Input selector switch for high definition displays

ROHM Semiconductor 

Multimedia ICs

•Block diagram

BA7658AFS

Blue 1 input 1

32 HD 1 input

Ground 2

Green 1 input 3

1

Ground 4

2

Red 1 input 5

12

31 HD 2 input

30 HD output

29 Blue output

28 Signal detector input

Ground 6

Blue 2 input 7

Ground 8

Green 2 input 9

Ground 10

Red 2 input 11

N.C. 12

Ground 13

VD 1 input 14

1

2

Signal

DET

1

2

DET

Sync

Sepa

21

27 VCC

26 Green output

25 Composite video input

(sync on green)

24 Setting of time constant

23 Signal detector output

22 Blanking pulse input

21 N.C.

20 HD Sync signal detector

19 Composite sync output

VD 2 input 15

Logic

18 Control

VD output 16

17 Red output

2

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