TCA9517: Use case question

Adam Daluga

Part Number: TCA9517

Hello,

I am using the TCA9517DR . In the case where EN = ‘1’ and VCCB = 3.3V and VCCA = 0V. What will the SCLB,SDAB pins ibe n this case? Will it act as input (high impedance)?

Thanks,

Adam

over 3 years ago

0 BOBBY over 3 years ago

TI__Mastermind 49040 points

Hey Adam,

If VCCA is unpowered, then the device will be held in reset even if the EN is pulled to a logic HIGH so the SDAA/SDAB and SCLA/SCLB pins on the devices will be HIGH-Z.

-Bobby

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TCA9517: Use case question