RE: [SI-LIST] : searching for Toshiba models

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From: Ken Cantrell ([email protected])
Date: Fri Dec 15 2000 - 15:28:11 PST


Todd,
Thanks for the input. Glad to hear a success story. Do you have any
contact names since my experience was radically different.
Ken

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Todd Westerhoff
Sent: Friday, December 15, 2000 3:22 PM
To: [email protected]
Subject: RE: [SI-LIST] : searching for Toshiba models

For the record, and what it's worth:

Toshiba *does* supply IBIS models for some parts, and does support those
models. We're using Toshiba IBIS models for some of their newer parts
(sorry Christoph, not the ones you want) - and Toshiba has provided us with
both HSpice and IBIS representations of the I/O. We have
discovered/reported problems with the initial set of IBIS data, and the
models have been corrected / re-delivered promptly.

I can't speak for Toshiba's IBIS coverage across their product line, but I
wanted to point out that a blanket characterization of Toshiba as "not
willing to supply IBIS models" does not match with our experiences here.

My $0.02.

Todd.

-----Original Message-----
From: [email protected]
[mailto:[email protected]]On Behalf Of Dunbar, Tony
Sent: Friday, December 15, 2000 1:05 PM
To: '[email protected]'
Subject: RE: [SI-LIST] : searching for Toshiba models

Hi all,

Michael Nudelman is quite correct, of course. Our modeling group probably
could do these IBIS models either from measurement or Spice. Yes, there is a
fixed-price fee and it probably equates to about the cost to your company's
overheads for you spending about 3 hours trying to figure out how you're
going to get an IBIS model for these parts or fix-up what you have!

I have also read Ken Cantrell's forceful posting on this issue, too. There
is another possible approach here which does not involve banishing any
vendor out into wilderness:

Part of Mentor's IBIS modeling strategy and solutions is the Model Alliance
Program. I have included a URL below where more introductory information can
be found but, essentially, MAP is based on a partnership between Mentor's
IBIS modeling group and silicon vendors whereby Mentor's modeling group do
the IBIS modeling directly for the silicon vendor. The models are then
provided back to the silicon vendor for him to distribute as he wishes; e.g.
posting them on their web-site for all to download.

Anyone who finds themselves in Christoph's situation where a silicon vendor
cannot, for whatever reason, provide IBIS models directly may want to
suggest to them (or encourage them) to look into the MAP.

Here's the URL: http://www.mentor.com/icx/icx_models/index.html

Anyone with specific interests or questions, including silicon vendors,
please contact me directly off-line from the SI-LIST.

Regards,
Tony Dunbar
Mentor Graphics/ICX
Dallas, TX

-----Original Message-----
From: Michael Nudelman [mailto:[email protected]]
Sent: Friday, December 15, 2000 8:06 AM
To: Christoph Hillen
Cc: [email protected]
Subject: Re: [SI-LIST] : searching for Toshiba models

I never tried it,

But Mentor has division that will take your part and create IBIS model of
it.
Probably, for a fee.

Christoph Hillen wrote:

> hi all,
>
> I'm searching for IBIS models of the Toshiba devices
>
> TH58V128FT
> TC58128FT
> TC55V4000ST-70
>
> It seems that the company itself does not provide models, and they are
obviously
> not able to answer any questions regarding models.
> Does anyone of you know a source for these?
>
> Thanks a lot
>
> Christoph Hillen
> Utimaco Safeware AG
> Germany
>
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