Subject: [IBIS-Users] DC endpoint errors
From: Ramesh Karmungi (kramesh@spikeindia.com)
Date: Thu May 08 2003 - 23:50:40 PDT
Hello Experts,
I have used ibischk3 parser for my models and it has given following
errors and the file as failed.
What is the accuracy of my results in case I use this model.
Could anyone please suggest why these errors occur and how to overcome
these errors.
WARNING - Model IO: The [Rising Waveform]
with [R_fixture]=70 Ohms and [V_fixture]=0V
has TYP column DC endpoints of 0.01V and 2.03v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 0.02V and 2.07V),
a difference of 0.58% and 2.10%, respectively.
ERROR - Model IO: The [Rising Waveform]
with [R_fixture]=70 Ohms and [V_fixture_min]=0V
has MIN column DC endpoints of 0.00V and 1.04v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 0.01V and 1.42V),
a difference of 0.56% and 26.94%, respectively.
ERROR - Model IO: The [Falling Waveform]
with [R_fixture]=70 Ohms and [V_fixture_min]=2.7V
has MIN column DC endpoints of 1.71V and 2.70v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 1.59V and 2.70V),
a difference of 10.89% and 0.00%, respectively.
ERROR - Model out: The [Rising Waveform]
with [R_fixture]=70 Ohms and [V_fixture_min]=0V
has MIN column DC endpoints of 0.00V and 1.05v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 0.00V and 1.41V),
a difference of 0.00% and 25.47%, respectively.
ERROR - Model out: The [Falling Waveform]
with [R_fixture]=70 Ohms and [V_fixture_min]=2.7V
has MIN column DC endpoints of 1.70V and 2.70v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 1.58V and 2.70V),
a difference of 10.70% and 0.00%, respectively.
Thanks in anticipation.
Ramesh
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