BA7657F 查看數據表（PDF） - ROHM Semiconductor

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BA7657F

Ultra Wide Band Triple Circuits Video Signal Switchers

ROHM Semiconductor 

BA7657F,BH7659FS

Technical Note

○BH7659FS

Pin

No.

Pin name

14 VD signal input pin A

(VDINA)

15 VD signal input pin B

(VDINB)

16 VD signal output pin

(VDOUT)

17 SDA signal output pin

(SDAIO)

18 SDA signal input pin B

(SDAIOB)

19 SDA signal input pin A

(SDAIOA)

20 SCL signal input pin B

(SCLIOB)

22 SCL signal input pin A

(SCLIOA)

23 SCL signal output pin

(SCLIO)

24 HD signal input pin B

(HDINB)

25 HD signal input pin A

(HDINA)

26 HD signal output pin

(HDOUT)

2

R GND pin

(RGND)

4

G GND pin

(GGND)

6

B GND pin

(BGND)

10

C-MOS supply voltage pin

(VDD)

28

B supply voltage pin

(BVCC)

30

G supply voltage pin

(GVCC)

32

R supply voltage pin

(RVCC)

Reference

potential

0V

0V

0V

0V

5V

5V

5V

5V

Equivalent circuit

Function

VDD

IN

OUT

VD, HD, SDA, and SCL are

switched in two channels.

Bidirectional access (I/O) is

enabled by the CMOS

analog SW.

－

This is the GND pin for the

R video SW block.

－

This is the GND pin for the

B video SW block.

This is the GND pin for the

－

G video SW block , C-MOS

SW block.

－

This is the VDD pin for the

C-MOS SW block.

－

This is the Vcc pin for the B

video SW block

－

This is the Vcc pin for the

G video SW block

－

This is the Vcc pin for the R

video SW block

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

10/16

2011.04 - Rev.A

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