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Original question:

TXB0108: TXB0108 & LSF0108 & TXB0304 data rate

TXB0108: Schematic double-check and review

Matt Qi
Expert 4510 points
Part Number: TXB0108
Other Parts Discussed in Thread: TXU0104

Hi~

Can you please help me review this schematic and peripheral devices' parameters? According to my understanding, this schematic is out of problem~

If you have any other problems or concern, please let me know~ Thanks a lot!

  • 0
    TI__Expert 4510 points

    Add some understanding:

    1. The pull-up resistor is selected too small, as the datasheet shows, the pull-up resistor should be set larger than 50kOhm.

  • 0
    Guru 316690 points

    This schematic does not show any peripheral devices. The TXB datasheet lists the constraints (drive strength, capacitive load); I do not know if this circuit conforms to them.

    For unidirectional translation, a unidirectional translator like the TXU0104 would be much more robust.