[IBIS-Users] How to acquire data for [Series Current] keyword for a differential buffer?

I am trying to generate IBIS model for a differential receiver with internal 
termination. I referred the cookbook and understood that the common mode current 
has to be modeled in the clamp tables and the differential current should go to 
the [series current] keyword. There is an ambiguity while extracting the 
differential current.

As the cookbook says, the surface plot of (Vp, Vn, I) has to be normalized along 
the diagonal to cancel out the common mode current. The resulting surface in my 
case is highly non-linear. Currents range from -60mA to +60mA. But the [Series 
Current] keyword only supports one dimensional V/I table. Can somebody please 
guide me how should I proceed with this?


Thanks
Gowtham



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