[SI-LIST] Re: Mentor Hyperlinx ?
- From: "David Kaiser" <david.kaiser@xxxxxxxxxx>
- To: <joel@xxxxxxxxxx>, <si-list@xxxxxxxxxxxxx>
- Date: Wed, 23 Jul 2003 15:34:10 -0600
We have both Hyperlynx Linesim with Crosstalk 7.0 as well as the GHz=
option. Hyperlynx is actually relatively inexpensive compared to other=
tools such as ICX. It is very easy to use and they have pretty good=
support (I would suggest buying the tech support with any Mentor tool) The=
biggest trick is getting good IBIS models from the device vendors, but=
this is getting better and better and time goes on. They can usually be=
downloaded from the vendors web site.
Hyperlynx allows us to use our board stackup to do very quick "what-if"=
simulations for overshoot, ringback, monotonicity, Xtalk, etc. You can=
come up to speed on the tool in just a few hours. You may also need to=
come up to speed on the fundamentals of IBIS models syntax, but this tool=
comes with an easy to use IBIS editor and parser as well as a online=
document on the IBIS specificatons.=20
As for the GHz option, this allows lossy simulations (which is sometimes=
necessay when simulating very fast edge rates) as well as the ability to=
work with spice models (but we haven't tapped much into the spice=
interface yet).
I would strongly recommend this tool if you can afford it, as least the=
Linesime w/crosstalk if not the GHz option.
David Kaiser
4 McDATA Pkwy.
Broomfield, CO 80021
(720) 558-4431
david.kaiser@xxxxxxxxxx
-----Original Message-----
From: Joel Brown [mailto:joel@xxxxxxxxxx]
Sent: Wednesday, July 23, 2003 1:29 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Mentor Hyperlinx ?
I have been looking at Mentor Hyperlinx since we need some signal
integrity tools for PCB layout. We had a demo from their local sales
office and it looks pretty good. It is very expensive and we are a small
company without a lot of cash, but I feel we need some signal integrity
tools since we are starting to do high speed designs (DVI, USB 2.0 and
SATA). Also we tend to run signals through a long path consisting of
multiple boards, connectors and cables. I feel a tool like this would
help to identify problems that we would otherwise not recognize until a
marginal product failed in the field. They also have a GHz which adds a
lot to the price, which Mentor says is required for designs above 10
GHz. All of our designs are 1.5 GHz or less fundamental frequency, so I
am not sure if we need to spend the extra money on the GHz option. I
would appreciate any feedback from people who have used Hyperlinx and
suggestions of lower cost alternatives.
=20
Joel Brown
VP Engineering
Z Microsystems, Inc.
=20
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