CXA2040AQ 查看數據表（PDF） - Sony Semiconductor

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CXA2040AQ

I2C Bus-Compatible Video Switch

Sony Semiconductor 

Pin

No.

Symbol Pin voltage

19 ADR

Equivalent circuit

VCC

19

72k

28k

CXA2040AQ

Description

Selects the slave address for the

I2C bus.

90H at 1.0V or less

92H at 3.5V or more

90H when open

20 SCL

—

4k

20

×4

VCC

I2C bus signal input.

Connect protective resistor of

220Ω between this pin and the

SCL line.

21 SDA

—

4k

21

×6

VCC

I2C bus signal input.

Connect protective resistor of

220Ω between this pin and the

SDA line.

22 SYNCTC

VCC

1.2k

147

147

22

Sync tip clamp time constant for

Sync Separation.

Connect 68kΩ resistor between

this pin and VCC.

Connect 0.1µF capacitor between

this pin and GND.

1.2k

–4–

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