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SN74LVC04A: How is the spec 'tsk(o)' defined?

John11513
Expert 5360 points
Part Number: SN74LVC04A

Hi team,

There is a spec, tsk(o), in SN74LVC04A datasheet. As my memory there is two kinds of output skew spec definition for logic device: one is channel to channel output skew, another one is the difference between low-high and high-low edge propagation delay (tPLH-tPHL). I am wondering which kind of skew tsk(o) is specified for SN74LVC04A?

Thanks,

John

  • 0
    TI__Guru* 96591 points

    Hi John,

    In short - the first one.

    The answer you're looking for is available in the application report Understanding and Interpreting Standard-Logic Data Sheets on page 53:

    4.9.16  tsk(o) Output Skew

    JEDEC - The skew time between two outputs of a single integrated circuit with all driving inputs switching simultaneously and the outputs switching in the same direction while driving identical loads.

    TI - The skew between specified outputs of a single logic device, with all driving inputs connected together and the outputs switching in the same direction while driving identical specified loads.