Re: Quest for IBIS models

Jon,

I stand corrected. I hold too limited a view of a model. Information for the behavioral
specification of IC I/O analog characteristics is indeed a model.

I tend to think of a model as something that I can use directly to analyze and/or simulate
circuitry, like an XTK model or a SPICE model.

Thanks for the tip on IBIS2XTK. I've had XNS ver. 5.3 installed for a month now and didn't
realize it was there. I notice that it was available in ver. 5.2, but for some reason, I missed
that version. I'll give IBIS2XTK a try on some of my IBIS data.

For all my SPICE models, do you recommend using S2IBIS and IBIS2XTK or just SPI2MOD?

I'm working on getting an updated version of HSPICE, maybe they will have a converter as you
say and life will be much easier. I sincerely look forward to the day when everyone provides
IBIS information... I mean models.

Regards,
Fred
FirePower Systems, Inc.

Begin forwarded message:

Date: Thu, 9 Feb 95 14:31:03 PST
From: uunet!qdt.com!jonp@uunet.uu.net (Jon Powell)
To: uunet!uunet!FirePower.COM!fvance@uunet.uu.net
Cc: uunet!uunet!scintl.com!gre@uunet.uu.net,
        uunet!uunet!vhdl.org!ibis@uunet.uu.net
In-Reply-To: Fred Vance's message of Thu, 9 Feb 95 13:26:02 -0800
<9502092126.AA27604@oahu.FirePower.COM>
Subject: Quest for IBIS models

Greg,

I must heartily DISAGREE with Fred from FirePower.

IBIS is a behavioral model standard.

IBIS models, though quite usable as SPICE behavoiral models, are also equally usable
by the various non-spice offerings of Quad, Hyperlynx, Cadence, Quantic, Interconnectix etc.

(sorry who-ever I left out). These non-spice companies have been IBIS compatible since the
creation of IBIS (some even before) and have been some of the stronger driving forces
in the establishment of the IBIS standard (partially because they pioneered the behavioral
model representation). All of the IBIS associated companies have IBIS converters or can

read IBIS directly, all have different strengths etc.

regards,

jon powell
Transmission Line Products Manager, Quad Design.
Received on Thu Feb 9 17:07:39 1995