[SI-LIST] IBIS Model error
- From: "Suresh.K" <sureshk@xxxxxxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 17 Nov 2003 14:37:21 +0500 (GMT+0500)
Hi Gurus,
Warm Wishes to all ......
I'm a beginner for SI Analysis and I need some clarification
about the Error of IBIS Model(71V2546-SRAM),which I'm getting when I
Import it into the Zuken's Hotstage tool Constraint Manager-Simulation
Library.
Actully I'm using the model ,which I downloaded from IDT website.
Please look into the error message below and give your precious
suggestions,
ERROR- Model IOPAD2546Z: The [Rising Waveform]
with [R_fixture]=50 Ohms and [V_fixture]=1.5V
has TYP column DC endpoints of 0.50V and 2.21v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 2.13V and 2.69V),
a difference of 288.80% and 84.70%, respectively.
ERROR- Model IOPAD2546Z: The [Falling Waveform]
with [R_fixture]=50 Ohms and [V_fixture]=1.5V
has TYP column DC endpoints of 0.50V and 2.21v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 2.13V and 2.69V),
a difference of 288.98% and 84.70%, respectively.
WARNING- Model 'IOPAD2546Z': TYP VI curves cannot drive through
Vmeas=1.25V
given load Rref=50 Ohms to Vref=1.5V
ERROR- Model IOPAD2546Z: The [Rising Waveform]
with [R_fixture]=50 Ohms and [V_fixture_min]=1.5V
has MIN column DC endpoints of 0.53V and 2.11v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 2.04V and 2.54V),
a difference of 304.74% and 86.47%, respectively.
ERROR- Model IOPAD2546Z: The [Falling Waveform]
with [R_fixture]=50 Ohms and [V_fixture_min]=1.5V
has MIN column DC endpoints of 0.53V and 2.11v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 2.04V and 2.54V),
a difference of 304.74% and 86.47%, respectively.
WARNING- Model 'IOPAD2546Z': MIN VI curves cannot drive through
Vmeas=1.25V
given load Rref=50 Ohms to Vref=1.5V
ERROR- Model IOPAD2546Z: The [Rising Waveform]
with [R_fixture]=50 Ohms and [V_fixture_max]=1.5V
has MAX column DC endpoints of 0.48V and 2.32v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 2.22V and 2.83V),
a difference of 283.59% and 82.91%, respectively.
ERROR- Model IOPAD2546Z: The [Falling Waveform]
with [R_fixture]=50 Ohms and [V_fixture_max]=1.5V
has MAX column DC endpoints of 0.48V and 2.32v, but
an equivalent load applied to the model's I-V tables yields
different voltages ( 2.22V and 2.83V),
a difference of 283.59% and 82.74%, respectively.
WARNING- Model 'IOPAD2546Z': MAX VI curves cannot drive through
Vmeas=1.25V
given load Rref=50 Ohms to Vref=1.5V
Errors : 6
Warnings: 6
File Failed
Thanks & Regards,
Suresh.K,
Vth EDA Lab,
C-DOT,
Bangalore-52.
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