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TXB0108: TXB0108PWR Is there margin for 1.2V?

Filipe Satake
Prodigy 60 points
Part Number: TXB0108

Tool/software:

Hello Experts,

I am planning to use Vcca = 1.2V, but the power supply may vary due to % error.
Is there any margin for Vcca when using 1.2V?

Thank you.
Filipe

  • +1
    Guru 316760 points

    According to the datasheet, there is no margin, and 1.199 V would not be guaranteed to work.

    There are typical characteristics for 1.2 V, so I'd guess that 1.2 V ± a little bit would be OK.

    Do you really need an auto-bidirectional translator? What protocol are you using?

  • 0 in reply to Clemens Ladisch
    Prodigy 60 points

    Hello Clemens,

    The 1.2V is used for FPGA IO pin. Those pin voltage tolerancy is very narrow, also the DCDC may vary +/-% to up or down.
    I am thjinking to chengae the DCDC to ~1.23V or use another level shifter that can handle a wide voltage changes.

    Thank you.
    Filipe