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DS250DF230: Power Sequence Related

Alfred Oo
Prodigy 70 points
Part Number: DS250DF230


Tool/software:

Hi TI team,

READ_EN_N, INT_N, SCL& SDA are 3.3V tolerant.

Just wonder any concern if we supply 3.3V first before 2.5V VDD?

Thanks.

  • +1
    TI__Mastermind 37623 points

    Hi Alfred,

    This falls within the absolute maximum ratings of the device.  We would not expect damage from this condition.

    Please also note that exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.  Because of this, I would not recommend designing a system where 3.3V is supplied for an extended period without 2.5V.  I think this would not be the case in your system where 3.3V is supplied for a short period of time prior to 2.5V.

    Thanks,

    Drew