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TXB0104: Level shift waveform issue

Patrick Chen
Mastermind 8875 points
Part Number: TXB0104

Hello

               Below is SERIRQ waveform and looks abnormal while bi-direction communication. What is the issue root cause as below? Has any comments for it? Thank you.

BR

Patrick

  • 0
    TI__Guru* 97046 points
    Hi Patrick,
    I have asked our translation expert to get back to you on this today.
  • 0
    TI__Guru 62060 points
    Hi Patrick,

    Thanks for the schematic and the scopeshot.
    Is this happening only on the IRQ line or observed on all the lines?
    The notation on the screen of SERIRQ_SOC vs schematic notation of L_SERIRQ_R are both the same?

    Are there anything connected on the line not seen on the schematic here? Since only one portion of the waveform is having the issue, is there anything different in terms of the configuration of the signal? I see that one pulse has a longer duration as compared to the others.
    Please let me know