[IBIS-Users] Modeling Differential Open Drain With Internal Pullup Termination

Hi,

 

I have been trying to model/generate IBIS for a differential open-drain
with internal pullup termination. I am confused on the load resistance
setup to obtain the V-T curves. For usual open-drain, 1 rising waveform
and 1 falling waveform to recommended pullup resistor termination and
voltage is sufficient. 

 

However, if the pullup resistor termination and voltage is internal, how
should I connect the output for V-T table? If anyone has suggestions,
please let me know. Thanks.

 

Best regards,

Kong-Yew



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