[SI-LIST] Re: HSpice or HyperLynx
- From: Tadashi Arai <arap@xxxxxxxxxxxxxx>
- To: "[SI-LIST]" <si-list@xxxxxxxxxxxxx>
- Date: Tue, 13 Aug 2002 15:04:56 +0900
Hi,
I am afraid this would be an off topic,
but I have a question regarding to HSPICE for board-level simulation.
I heard that HSPICE can do board-level simulation with EDAnavigator,
however I have not yet tried this.
After Avanti was merged with Synopsys, I can't find EDAnavigator from
their product list.
Does anyone have information ?
Regards,
On Sun, 11 Aug 2002 16:18:18 -0700
"Ravinder Ajmani" <ajmani@xxxxxxxxxx> wrote:
>
>
> Hi Silvano,
> HyperLynx 6.1 has this new feature. After selecting a net on BoardSim, if
> you click on File menu, one of the options is to export the selected net to
> LineSim. The net will be exported as a LineSim file with all stack, net,
> and driver/receiver parameters. Vias are exported as capacitors. In the
> LineSim file, you can try various what/if scenarios. I have found this
> features very useful.
>
> Regards, Ravinder
> PCB Development and Design Department
> IBM Corporation
> Email: ajmani@xxxxxxxxxx
> ***************************************************************************
> Always do right. This will gratify some people and astonish the rest.
> .... Mark Twain
>
>
>
>
>
> "Silvano
>
> Bettinzana" To: Ravinder Ajmani/San
> Jose/IBM@IBMUS
> <bettinzana@diadi cc:
> <si-list@xxxxxxxxxxxxx>,
> x.it>
> <si-list-bounce@xxxxxxxxxxxxx>
> Sent by: Subject: [SI-LIST] Re: HSpice
> or HyperLynx
> si-list-bounce@fr
>
> eelists.org
>
>
>
>
>
> 08/10/2002 01:52
>
> AM
>
> Please respond to
>
> bettinzana
>
>
>
>
>
>
>
>
>
> Hi Ravinder, you said:
>
> "I can also export nets from the layout (BoardSim) to LineSim, and then
> carry out different what-if scenarios"
>
> How do you do this ?
>
> Many thanks,
>
> Silvano
>
>
>
>
> ----- Original Message -----
> From: "Ravinder Ajmani" <ajmani@xxxxxxxxxx>
> To: <alexh1@xxxxxxxxxxxxx>
> Cc: <si-list@xxxxxxxxxxxxx>; <si-list-bounce@xxxxxxxxxxxxx>
> Sent: Friday, August 09, 2002 6:39 PM
> Subject: [SI-LIST] Re: HSpice or HyperLynx
>
>
> >
> >
> > Alex,
> > I have been using HyperLynx for nearly 6 years and I love its ease of use
> > and flexibility. Over the years, they have constantly added new
> features,
> > such as Crosstalk module, multi-board simulation, etc. For me its
> ability
> > to simulate fully or partially routed board is very helpful. I can also
> do
> > coupled line simulation, since the Crosstalk module includes a field
> > solver. I can ask my layout engineer to first route the critical nets,
> and
> > as he is working with the rest of the routing, I can run quick
> simulations
> > to determine any changes necessary. LineSim module is very helpful in
> > stack and transmission line analysis before the beginning of a new
> design.
> > I can also export nets from the layout (BoardSim) to LineSim, and then
> > carry out different what-if scenarios. Its accuracy is comparable to
> other
> > more expensive tools such as XTK and SigNoise.
> >
> > I have read many nice things about HSPICE, but I find it hard to spend
> the
> > time needed to learn this tool. It is certainly more accurate than IBIS
> > based tools, and you have the ability to perform detailed simulations.
> But
> > it is much slower than IBIS based tools, and it can be nightmare to
> > simulate a large number of nets on a routed board. I started with
> > HyperLynx by obtaining their demo diskettes, and was able to run
> > simulations in less than an hour. Same about the Crosstalk module.
> >
> > By the way, I am not getting paid by Mentor/Innoveda/HyperLynx to write
> > this. The person who sold me this tool has since left the company.
> Also,
> > these are my personal opinions only.
> >
> > Regards, Ravinder
> > PCB Development and Design Department
> > IBM Corporation
> > Email: ajmani@xxxxxxxxxx
> >
> ***************************************************************************
> > Always do right. This will gratify some people and astonish the rest.
> > .... Mark Twain
> >
> >
> >
> >
> > "Alex Horvath"
> > <alexh1@sbcglobal To:
> <si-list@xxxxxxxxxxxxx>
> > .net> cc:
> > Sent by: Subject: [SI-LIST] HSpice
> or HyperLynx
> > si-list-bounce@fr
> > eelists.org
> >
> >
> > 08/08/2002 08:38
> > PM
> > Please respond to
> > alexh1
> >
> >
> >
> >
> >
> > If you had to pick either HSpice or HyperLynx for board level
> interconnect
> > simulation which would you pick?
> >
> >
> > For myself, I like the flexibility of HSpice (can use Spice and/or IBIS).
> > If you have a model, you can simulate anything you can think of. Con is
> > that it's somewhat hard to use.
> >
> > On the other hand, with HyperLynx you can very quickly simulate a
> > transmission line with an IBIS driver but you have to use what they give
> > you. Also has the ability to import a PCB layout file and simulate based
> on
> > routed trace geometry. I find the latter capability of dubious value, if
> I
> > find a problem after layout is complete it's probably too late. Also
> seems
> > to be about twice the cost of Avant Hspice (now Synopsys) for the full
> > suite.
> >
> > I welcome any comments especially from people who are familiar with both
> > tools.
> >
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//// /// // / / / / / / / / / /
Tadashi Arai//Platform Developing Dept.,Desktop Prd Div. Fujitsu Limited
arap@xxxxxxxxxxxxxx TEL:+81-42-370-7624 Inagi-shi, Tokyo, Japan
/ / / / / / / / / / / // ///
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