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SN74LVTH126: SPI buffer (60Mhz) selection

Feng bin Su
Expert 7780 points
Part Number: SN74LVTH126

Hi team,

My customer is looking for a SPI (60MHz) buffer. 

Originally, they choose 74LVC125A for it and we propose SN74LVTH126  for it.

Customer would like to know how to evaluate the distance can SN74LVTH126 support for SPI buffer?

Thank for your kindly help.

  • 0
    TI__Guru* 96621 points

    Hello Feng,

    What is meant by "distance"?

    I assume the customer means distance of propagation over a stripline transmission line on a printed circuit board. If this is the case, to give any sort of answer, we will need to know the stackup, permittivity of the dielectric, conductor material and thickness, trace width, and planned geometry of the trace, as well as the termination technique and receiver characteristics, as well as the operating voltage at each end.