BA7657S Ver la hoja de datos (PDF) - ROHM Semiconductor

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componentes Descripción

Fabricante

BA7657S

Broadband Triple Circuits Video Signal Switchers

ROHM Semiconductor 

●Pin descriptions (2/2)

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

19 (SDAIOB)

SDA signal input pin A

(SDAIOA)

20 SCL signal input pin B

22

(SCLIOB)

SCL signal input pin A

23 (SCLIOA)

SCL signal output pin

24 (SCLIO)

25

HD signal input pin B

(HDINB)

26 HD signal input pin A

(HDINA)

HD signal output pin

(HDOUT)

2

R GND pin

(RGND)

Reference

potential

IN

0V

0V

4

G GND pin

(GGND)

0V

6

B GND pin

(BGND)

0V

10

C-MOS supply voltage pin

(VDD)

5V

28

B supply voltage pin

(BVCC)

5V

30

G supply voltage pin

(GVCC)

5V

32

R supply voltage pin

(RVCC)

5V

Equivalent circuit

Function

VDD

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

12/16

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