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DS90LV004: better Tskip channel to channel needed

Part Number: DS90LV004
Other Parts Discussed in Thread: DS15BR400, DS25BR440, DS100BR410

Part to Part Skew for the DS90LV004 is 1.1ns

we need to select similar part but offering less than 100ps on part to part skew feature, what do you recommend?

As many channels as possible needed so at least 4 channels.

  • Hi Marcos,

    In order to get that level of skew performance, the device speed will have to be much faster overall.  I have put together a quick list of devices that have 4 channels

    DS15BR400     (Tskew - typ) = not specified      (Tskew - max) = 550ps

    DS25BR440     (Tskew - typ) = 50ps                  (Tskew - max) = 170ps

    DS100BR410   (Tskew - typ) = 20ps                 (Tskew - max) = not specified

    The DS15 and DS25 devices are LVDS and are good to DC couple.  The DS100BR410 requires AC coupling on the inputs and outputs.

    Regards,

    Lee