BH7657FS 데이터 시트보기 (PDF) - ROHM Semiconductor

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BH7657FS

Ultra Wide Band Triple Circuits Video Signal Switchers

ROHM Semiconductor 

BA7657F,BH7659FS

●Pin descriptions (BA7657F)

○BA7657F

Pin

No.

Pin name

Reference

potential

Equivalent circuit

Technical Note

Function

1 Red1 Input

3 Green1 Input

5 Blue1 Input

7 Red2 Input

9 Green2 Input

11 Blue2 Input

3.7V

when selected

0V

when not selected

2-channel switching of R,

G, and B signals.

Select between:

CTL: H input1

CTL: L input2

15 Blue output

19 Green output

21 Red output

2.0V

Vc c

50

400

5mA

Output pins for RGB signals.

Insert resistance from 100 to

300 Ω near the pins to suppress

f peaks at high frequencies.

16 Control

H≧1.8V

L≦1.2V

12 VD1 input

13 VD2 input

23 HD2 input

24 HD1 input

H≧1.8V

L≦1.2V

CTL pins

Select between:

CTL: H input1

CTL: L input2

2-channel switching of VD and

HD signals.

Select between:

CTL: H input1

CTL: L input2

14 VD output

22 HD output

VOH≧3.0V

VOL≦10.5V

Output pins for vertical

synchronization signal (VD)

And horizontal synchronization

signal (HD).

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© 2011 ROHM Co., Ltd. All rights reserved.

7/16

2011.04 - Rev.A

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