Re: Experience with S2IBIS

Kellee,

In response to your question:
>
> I saw the posting you made to Hsin-Huei and was a little curious about
>your statement that IBIS is independent of the tools. Are you aware
>that several tools directly support IBIS?
>
Yes. What I meant about IBIS being independent of tools is that IBIS models
can be used by more than one tool. I was trying to make the point that an
IBIS model is not a tool, but information for use with a tool.

Ironically, I caused a minor uproar in the past by stating (incorectly) that
IBIS was not a model. At that time, I was trying to say that an IBIS model
alone can not be used for simulation, but requires a simulation tool.

I suppose that one could argue that since it is possible to use IBIS data in
a Bergeron Plot that tools are not necessary for simulations with an IBIS
model. I for one, want my tools.

I have tried in the past to make a distinction between IBIS, the
specification and IBIS, the information or model. Now, I think I will have
to make the further delineation, IBIS tools and IBIS compatible simulators.

You also wrote:

> There are many tools out that directly support IBIS models. For example
>both of our HyperLynx tools LineSim and BoardSim read and and use IBIS
>models without conversion.

I might have unintentionally given the impression that Quad Design doesn't
have an IBIS tool. They do, it's called IBIS2XTK. (While I'm at it, I
refered to Quad's tool SPI2MOD incorrectly as SPI2XTK.)

Also, Syed Huq told me that Meta-Software has a utility to convert an IBIS
model to an HSPICE behavioral model.

I may have both of these utilities and haven't tried them yet. The reason? I
did most of my library building in 1994 when these tools weren't available
(or only under an NDA). Since then, new models that I received have been
SPICE models.

I would like to be a strong advocate of IBIS. I believe it is great for
everyone.

Regards,
Fred
Received on Wed Jul 19 11:58:31 1995