[SI-LIST] Re: Spice simulators
- From: "Chris Rokusek" <crokusek@xxxxxxxxxxxx>
- To: <si-list@xxxxxxxxxxxxx>
- Date: Mon, 15 Oct 2001 10:02:03 -0700
Abe, Ashok,
FYI, the latest released version of XTK includes an embedded Berkeley SPICE3f5
SPICE engine that
supports W-element and BSIM3 models.
Chris Rokusek
Innoveda
> -----Original Message-----
> From: si-list-bounce@xxxxxxxxxxxxx
> [mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of abe riazi
> Sent: Thursday, October 11, 2001 10:29 AM
> To: 'si-list@xxxxxxxxxxxxx'
> Subject: [SI-LIST] Re: Spice simulators
>
>
>
> Dear Ashok:
>
> Some of your questions have already been answered by Chris H. Simon and =
> Peter LaFlamme.=20
>
> In regard to price of HSPICE, I have been informed that it can cost =
> about $ 13, 000 to $ 20,000 depending on the platform and type of =
> license.
>
> Let me emphasize that one notable advantage of HSPICE is that it allows =
> direct use of IBIS models (which PSPICE does not) and this in turn =
> offers important applications. For example, I frequently carry out =
> pre-route and post-route PCB simulations using XTK, which requires first =
> converting an IBIS model into QUAD format (via IBIS2XTK program). To =
> evaluate level of inaccuracies which may have occurred (during model =
> translations from IBIS to XTK), certain nets are simulated using XTK =
> (with QUAD generated models) and also with HSPICE ( directly using IBIS =
> models) and then the HSPICE and XTK results are compared.
>
> Best Regards,
>
> Abe Riazi
> ServerWorks
>
>
>
> -----Original Message-----
> From: Ashok Babu K [SMTP:k.ashokbabu@xxxxxxxxxxxxx]
> Sent: Wednesday, October 10, 2001 11:46 PM
> To: ariazi@xxxxxxxxxxxxxxx; si-list@xxxxxxxxxxxxx
> Subject: Re: [SI-LIST] Re: Spice simulators
>
> Hi All,
>
> I have gone through the discussions on SPICE tool on this list. Main
> contenders are HSPICE and PSPICE. What about other SPICE tools like =
> ISPICE
> from Intusoft, or SPICE tools from Ansoft? Also some free SPICE tools =
> like
> WinSPICE are avalable. What about their limitations? What about price
> comparisons of PSPICE and HSPICE?
>
> Actually we would like to purchase Spice tool for our simulations at =
> OC48
> and OC192 systems. We considered PSPICE and HSPICE. The PSPICE pricing =
> is
> given as about 4500USD in their website, and no idea about HSPICE. Can
> anyone give us an idea about HSPICE pricing and its updates etc? We are
> awaiting response from Avanti, but we hope the response very fast in =
> this
> list.
>
> At high frequencies, frequency dependent lossy transmission line modes
> W-Element transmssion line models are used extensively. Is this model
> supported only in HSPICE? Can PSPICE support this? Does PSPICE has its =
> own
> model? Some SPICE tools support only RLC models. I feel that they maynot =
> be
> sufficient at frequencies of 2.5GHz. Can you please shed some light on =
> this?
>
> Also we would like to use HSPICE for our ASIC backend services? Will it =
> be
> feasible?
>
> Thanks and Regards,
> Ashok.
> ----- Original Message -----
> From: "abe riazi" <ariazi@xxxxxxxxxxxxxxx>
> To: <si-list@xxxxxxxxxxxxx>
> Sent: Tuesday, September 04, 2001 10:44 PM
> Subject: [SI-LIST] Re: Spice simulators
>
>
> >
> > Dear Luca:
> >
> > Thanks for your good question. =3D20
> >
> > First let me mention that I really like PSpice due to several reasons =
> =3D
> > including:
> >
> > i. It allows graphical schematic entry of the design.
> > ii. It is quite easy to learn (and work with).
> > iii. A free version (however, with a limitation on maximum number of =
> =3D
> > components) is available.
> >
> >
> > On the other hand, PSpice has some important drawbacks in comparison =
> to =3D
> > HSPICE. For example, IBIS models cannot be directly used by PSpice =
> =3D
> > (and it is often necessary to approximate an IBIS models with VPULSE =
> or =3D
> > VPWL); whereas, HSPICE allows direct utilization of IBIS models.=3D20
> >
> > HSPICE also offers a wider choice for transmission line modeling, such =
> =3D
> > as lossless (T-element), and lossy (W-element); plus a field solver =
> for =3D
> > generating RLGC matrice.=3D20
> >
> > Additionally, there are certain SPICE models which can be directly =3D
> > simulated only with HSPICE. =3D20
> >
> > There are many HSPICE experts on the si-list and hopefully they will =
> =3D
> > explain why HSPICE is their preferred choice for SI simulations.
> >
> > Best Regards,
> >
> > Abe Riazi
> > ServerWorks
> >
> > -----Original Message-----
> > From: Luca Giacotto [SMTP:lgiacott@xxxxxxxxx]
> > Sent: Tuesday, September 04, 2001 12:49 AM
> > To: si-list@xxxxxxxxxxxxx
> > Subject: [SI-LIST] Re: Spice simulators
> >
> >
> >
> > On Sat, 1 Sep 2001 08:46:58 -0700
> > "Abe Riazi" <ARIAZI@xxxxxxxxxxx> wrote:
> >
> > >=3D20
> > > PSpice and HSPICE are among popular SPICE simulators.
> > > Each program possesses important advantages and disadvantages;
> > > however, HSPICE offers greater capabilities.
> > >=3D20
> > > The Avant! Star-Hspice Manual contains detailed sections on
> > > transmission line (both lossless and lossy) modeling, and a chapter
> > > devoted to use of IBIS models.
> > >=3D20
> >
> > About spice simulators, I always wondered why SI-people is especially
> > devoted to the HSpice. At least, this is my feeling following the
> > discussions on this list.
> >
> > Why is PSpice less interesting from an SI point of view? Does it =
> support
> > IBIS models?
> >
> > Best Regards,
> > Luca Giacotto
> >
> >
> >
> >
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> >
>
>
>
> =00
>
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