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[FAQ] ESD321: ESD321DYA Pin Configuration

McKenzie Eaker
Genius 12250 points

Part Number: ESD321

Hi, 

ESD321DYA has the oppositie pin configuration than what is expected. Is Pin 2 supposed to be IO and Pin 1 supposed to be GND?

Thanks

  • 0
    TI__Genius 12250 points

    This is correct. ESD321 in the DYA package has Pin 1 as GND and Pin 2 as IO. This is denoted in the Pin Functions table in the datasheet. 

    The internal configuration and part marking with the Pin 1 indicator is shown below. 

    Please reach out if you have any questions.