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2:1 clock switch

Di Wang
Expert 1740 points
Other Parts Discussed in Thread: MUX508, TMUX136

Hi,

I'm looking for a 2:1 clock switch for 156.25MHz. Which device is the proper solution? I'm looking at analog mux like MUX508, but I think it would bring huge jitter.

Thanks.

  • 0
    TI__Mastermind 45370 points

    Di,

    The MUX508 is a 36V 8:1 mux which is not a match for your low voltage 2:1 application.  

    Passive FET switches do not bring much jitter but only a few devices have shown this in their datasheet.  What do you think about using the TMUX136 device which is a low voltage 2:1 switch with ~10ps jitter?  

    Thank you,

    Adam