[IBIS-Users] Re: Question about differential pair buffer

Hi Arpad, 

      Attached I send you the figures that show the buffer schematic and 
procedures I am using to extract the IBIS curves for this differential 
buffer and I have a few questions: 

      If I don't specify the pullup curve, how does  the IBIS simulator know 
how to drive a high state?
      If I don't specify the pullup curve, Will the IBIS parser give error 
messages? because it can't match the pullup curve with the rising waveform.
      Are these the suitable procedures to extract the IBIS curves? 

      Thank you. 

      Regards, 

     Ramiro
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