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DP83822I: What happen when VDDIO exceeds Recommended Operating Conditions

Takahiro Saito
Expert 5455 points
Part Number: DP83822I

Hi team,

Could you explain what happens when VDDIO exceeds Recommended Operating Conditions(=3.45V)?

Regards,

Saito

  • 0
    TI__Expert 5455 points
    Hi team,

    Let me add a condition to my question. The duration VDDIO exceeds 3.45V is from powering VDDIO up to deassert RESET. The VDDIO will not exceed absolute maximum voltage.

    Regards,
    Saito
  • 0 in reply to Takahiro Saito
    TI__Mastermind 23675 points
    Hi Saito-san,

    When VDDIO is outside the ROC, normal device operation is not guaranteed.
    Meaning that the behavior of the device parameters in the DS are not guaranteed.
    The device will not be damaged since you are not exceeding ABS MAX.
    If the final resting voltage is within the ROC you are ok to operate, however, I would recommend doing a device reset by using either RESET pin or register access to 0x1F. This should be performed after the device is back in the ROC.