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ISO7421: ISO7421 unused pins

TTG tt
Prodigy 160 points
Part Number: ISO7421

Dear team,
ISO7421 uses only one pin for PWM signal transmission. What to do with unused pins. Thank you.

  • 0
    TI__Expert 3482 points

    Hi TTG,

    Thank you for reaching out to us!

    There is a weak pull-up resistor at the input.

    Hence, the input will be pulled high internally if unconnected.

    You can connect the unused input to ground to keep the output low if desired.

    Regards,

    Alfred