RE: Ramp data and rising & falling curves

Hi

I checked. Looks like I am using s2ibis2_fix. There are some convergence
warnings but spice automatically sets dcon =2 and then it converges.

I plotted the IV curves, they look fine.

Is it possible that this is a s2ibis2 bug?

Thanks
Prabhu

> -----Original Message-----
> From: Dagostino, Tom [SMTP:tom_dagostino@mentorg.com]
> Sent: Wednesday, May 23, 2001 1:39 PM
> To: 'Paul J. Menchini'; ibis-users@eda.org
> Subject: RE: Ramp data and rising & falling curves
>
> I'd need to see the IV data but I will guess the Current in the pull up
> and pull down tables was zero.
>
> Tom Dagostino
> Modeling Manager
> Mentor Graphics Corp.
> SAE
> tom_dagostino@mentor.com
> 503-685-1613
>
>
> -----Original Message-----
> From: Paul J. Menchini [ <mailto:mench@mench.com>]
> Sent: Wednesday, May 23, 2001 10:47 AM
> To: ibis-users@eda.org
> Subject: Fwd: Ramp data and rising & falling curves
>
>
> Hello Ibis Users,
>
> This message is being redelivered as it failed when first sent.
>
> Please contact the eda.org support staff at support@eda.org if
> additional support is required.
>
> Paul Menchini
> Lead System Manager
>
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> > From: "Mohan, Prabhu" <Prabhu.Mohan@actel.com>
> > To: "'ibis-users@eda.org'" <ibis-users@eda.org>
> > Subject: Ramp data and rising & falling curves
> > Date: Tue, 22 May 2001 17:04:50 -0700
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>
> > Hello,
>
> > I'm using s2ibis to generate ibis models and I'm new to IBIS.
> > The ramp data and all the rising & falling curves look like this. There
> were
> > no errors or aborted simulations. All the .out files seem to have all
> the
> > datapoints.
> > The pull-up, pull-down, power & ground clamp curves seem to be fine.
> > Where am I going wrong?
>
> > Thanks
> > Prabhu
>
> > [Ramp]
> > | variable typ min max
> > dV/dt_r -2.470e-21/0.000 -3.257e-21/0.000
> -1.816e-21/0.000
> > dV/dt_f 2.470e-21/0.000 3.257e-21/0.000 1.816e-21/0.000
>
> > R_load = 50.0000
> > |
> > [Rising Waveform]
> > R_fixture = 50.0000
> > V_fixture = 3.3000
> > V_fixture_min = 3.0000
> > V_fixture_max = 3.6000
> > | time V(typ) V(min) V(max)
> > |
> > 0.000S NA NA NA
> > 0.000S NA NA NA
> > 0.000S NA NA NA
> > 0.000S NA NA NA
> > 0.000S NA NA NA
> > 0.000S NA NA NA
> > 0.000S NA NA NA
>
> > ...
>
> > :-)
> > Prabhu Mohan
> > Product Engineer
> > Actel Corp.
> > 408.522.4412 - work
>
 
Received on Wed May 23 16:19:43 2001