[ibis-macro] FW: IBIS standardization of Spice
- From: "Muranyi, Arpad" <Arpad_Muranyi@xxxxxxxxxx>
- To: "IBIS-ATM" <ibis-macro@xxxxxxxxxxxxx>
- Date: Fri, 10 Apr 2009 14:08:10 -0700
Hello everyone,
Samuel Mertens will give us a presentation in the upcoming
IBIS-ATM meeting on the efforts of the Compact Model Council
on SPICE standardization. The presentation has been uploaded
to the IBIS-ATM web site with his permission.
http://www.vhdl.org/pub/ibis/macromodel_wip/archive/20090410/samuelmerte
ns/Compact%20Model%20Council%20presentation/CMC_Spice_Language_IBIS.pdf
I hope we will have a good turnout so we can ask him lots
of (tough - just kidding) questions...
Thanks,
Arpad
===============================================================
________________________________
From: Samuel Mertens [mailto:smertens@xxxxxxxxxx]
Sent: Friday, April 10, 2009 2:42 PM
To: Muranyi, Arpad
Cc: 'Deepak Ramaswamy'
Subject: RE: IBIS standardization of Spice
Hi Arpad,
Here is a quick presentation I have pulled together to
present our work to the IBIS subcommittee. It is long as I have attached
our requirement list to it. Only the first slides are the presentation.
So the next meeting is at noon Pacific on Tuesday?
As you will see our requirements are somewhat different
than yours. Our timelines might be different too. In the worst case
scenario, where we cannot come to a common standard language, I am sure
we will find a way to co-exist in the same project and work together.
Our standard language will have a mechanism to incorporate other
languages where needed.
Thanks for giving me the time to present our work to
your committee,
Samuel Mertens
Ansoft LLC
From: Muranyi, Arpad [mailto:Arpad_Muranyi@xxxxxxxxxx]
Sent: Tuesday, April 07, 2009 1:59 PM
To: Samuel Mertens
Subject: RE: IBIS standardization of Spice
Thanks. Be sure to put these answers in your presentation...
Some of our members know about CMC other don't, so a one
page overview may be useful.
Thanks,
Arpad
==============================================================
________________________________
From: Samuel Mertens [mailto:smertens@xxxxxxxxxx]
Sent: Tuesday, April 07, 2009 3:56 PM
To: Muranyi, Arpad
Subject: RE: IBIS standardization of Spice
Hi Arpad,
We had not yet thought about transmission line models,
since we do not have a CMC standard on these models. But we can easily
add a keyword for those. The language will not use keyletters to
identify models, so it should be much easier to scale. If there is a
standard format for any of these models, we will be very happy to
include those.
At this moment, we have not yet talked about encryption.
It is definitely something we will talk about, but until we have a
language there is not that much we can do about it. It is definitely on
my list of topics to tackle. I just did not want to start a discussion
about it until we have a language.
Cadence has offered up their language as a basis for
ours. But this language will not be an identical copy of the Spectre
language either. We want some functionality which is not present in the
Spectre language as far as we know. We will not call it the standard
Spectre language. If we choose Spectre as a basis, the language will
look a lot like Spectre, but will have its own grammar and syntax. We
will not release the Spectre manual as the new standard.
I will try to send you a short presentation by the end
of the week. Do your members know about the Compact Model Council,
meaning should I include what we are doing in general?
Feel free to ask me any questions.
Best regards,
Samuel
From: Muranyi, Arpad [mailto:Arpad_Muranyi@xxxxxxxxxx]
Sent: Tuesday, April 07, 2009 1:17 PM
To: Samuel Mertens
Subject: RE: IBIS standardization of Spice
Sam,
Don't worry, I understand that a 10 minute notice
doesn't work all the time... We would very much
like to have you join our next meeting a week from
today. The phone number and access code is the same
for all meetings. We did discuss it in today's
meeting, and we have a few questions we would like
to discuss with you. A presentation would be useful,
but don't go out of your way to prepare one if you
don't have one ready to go...
Some of the more important questions I heard today were:
1) Does this standard only consider transistor models
or will it also cover transmission line models of
various sorts (W-element, S-parameter, etc)?
2) Does this standard have provisions for encryption
perhaps using the P1735 initiatives?
3) Is Cadence willing to "give away" their entire
Spectre language for this "cause", or what would be
the legal mechanics if that language was chosen?
Thanks,
Arpad
======================================================
________________________________
From: Samuel Mertens [mailto:smertens@xxxxxxxxxx]
Sent: Tuesday, April 07, 2009 2:55 PM
To: Muranyi, Arpad
Subject: RE: IBIS standardization of Spice
HI Arpad,
I am very sorry, I just had a lunch-meeting and I missed
your e-mail. Maybe I can attend next week's meeting instead?
Should I send a small presentation of what the CMC is
and what we are working on in our committee for the next meeting?
Best regards,
Samuel
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