[SI-LIST] Re: HSpice or HyperLynx
- From: "Silvano Bettinzana" <bettinzana@xxxxxxxxx>
- To: <ajmani@xxxxxxxxxx>
- Date: Sat, 10 Aug 2002 10:52:43 +0200
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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