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TXB0104: Circuit design using Level Transceiver (TXB0104RGY) and Open-drain (SN74LVC07A) chip.

soontae woo
Prodigy 10 points
Part Number: TXB0104
Other Parts Discussed in Thread: SN74LVC07A

Dear TI.

Circuit design using Level Transceiver (TXB0104RGY) and Open-drain (SN74LVC07A) chip.

Communication is not available. Please comment after reviewing the design below.

Is it a problem with the circuit design above?

what's the problem? Please advise.


Thank you.

  • 0
    TI__Guru* 96591 points

    Hello,

    The TXB family of translators are not compatible with open-drain devices because they use a series resistor in the output to allow for the auto-direction sense circuitry.

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    We recommend using a TXS family translator for open-drain applications.