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PCA9546A: About the sch review on PCA9546

Bruce Dai
Intellectual 770 points
Part Number: PCA9546A


Hi AE,

         Attached is the schematic. Please help provide your suggestions. 

  • +1
    TI__Expert 6535 points

    Hi Bruce,

    I'm not seeing any pull-up resistors on the SCL/SDA/SCx/SDx lines. If they are accounted for elsewhere in the schematic, then there are no issues, but if not, they need to be added.

    Otherwise, no major concerns from my end. Just make sure the signals going into/through the mux are within datasheet spec.

    Best,
    Katy