RE: Ramp data and rising & falling curves

I think your .ibs I/V curves are not correct. If this is an I/O, you may want to
look at you pdxx.out, puxx.out, ddxx.out, duxx.out before you can say your I/V
curves are correct..

I doubt it's a s2ibis2 bug..

Syed

> From: "Mohan, Prabhu" <Prabhu.Mohan@actel.com>
> To: "'Dagostino, Tom'" <tom_dagostino@mentorg.com>, ibis-users@eda.org
> Cc: "'Syed Huq'" <shuq@cisco.com>
> Subject: RE: Ramp data and rising & falling curves
> Date: Wed, 23 May 2001 16:18:50 -0700
> MIME-Version: 1.0
>
> 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
> >
> > Forwarded message:
> > > Received: from plexus-g.actel.com (plexus-g.actel.com [204.33.72.40])
> > > by server.eda.org (8.12.0.Beta7/8.12.0.Beta7) with ESMTP id
> > f4N05ZwL011475
> > > for <ibis-users@eda.org>; Tue, 22 May 2001 17:05:36 -0700 (PDT)
> > > Received: from sv-gw-02.amer.actel.com (sv-gw-02 [190.9.12.13])
> > > by plexus-g.actel.com (Pro-8.9.3/Pro-8.9.3/Actel_hub) with ESMTP
> > id RAA08717
> > > for <ibis-users@eda.org>; Tue, 22 May 2001 17:04:52 -0700 (PDT)
> > > Received: by sv-gw-02.amer.actel.com with Internet Mail Service
> > (5.5.2653.19)
> > > id <J2KWJB2W>; Tue, 22 May 2001 17:04:57 -0700
> > > Message-ID:
> > <0C3D45928631D5118B2B00805FEA496733D712@sv-msg-01.amer.actel.com>
> > > 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
> > > MIME-Version: 1.0
> > > X-Mailer: Internet Mail Service (5.5.2653.19)
> > > Content-Type: text/plain
> >
> > > 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 16:37:50 2001