[IBIS-Users] IBIS DIFF input buffers

Hello Everyone

I need a little validation/clarification.

I have a differential input IBIS model, however my IBIS simulator is so out of date that it does not recognize the Series Keywords. So instead what I did was remove the series maping, and placed 2 single ended buffers with a resitor whos value equalled that in the Series R definition: i.e.

------------|BUFFER|
        |
        Z
        Z
        |
------------|BUFFER|

My understanding is that the Diff buffer in IBIS DC tables should be the COMMON mode current into ONE of the diffential pins (i.e. I assume its not the sum of the current into the 2 pins, or 2 times the current I think it is). Based on that, the above should be valid. Can anyone confirm?

Cheers,
Eric

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