Re: [SI-LIST] : IBIS datasheets for PCI and DDR

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From: Jonathan Dowling (jdowlin2@yahoo.com)
Date: Thu Nov 18 1999 - 17:35:52 PST


Chris/Scott,

Vendors who use Spice as their process tool are sometimes
reluctant to release the *actual* Spice model to customers.
This means that the Spice model that is released is a
cut-down approximation (like the Merced Hspice model).
Sometimes the Spice model is behavioralized, defeating
the purpose of using Spice in the first place.

Perhaps Micron's DDR Spice model is the real-deal, but I
have it on authority that Samsung's is faux.

Jonathan Dowling

--- Scott McMorrow <scott@vasthorizons.com> wrote:
> Chris Cheng wrote:
>
> >
> > spice only for DDR i/o but then again, why do
> > u need ibis if u have the full spice......
>
> Lets see ...
> Faster performance in simulation by 10-100X ...
> Encapsulation of standard measurement points ...
> Encapsulation of package parameters ...
> Equivalent or better accuracy depending on method of
> creating and characterizing the model ...
> More widespread simulator support.
>
> Hmmm ... I can't imagine what the need or desire for
> IBIS models would be.
>
> regards,
>
> scott
>
>
> --
> Scott McMorrow
> Principal Engineer
> SiQual, Signal Quality Engineering
> 18735 SW Boones Ferry Road
> Tualatin, OR 97062-3090
> (503) 885-1231
> http://www.siqual.com
>
> > begin:vcard
> n:McMorrow;Scott
> tel;work:503-708-4320
> x-mozilla-html:FALSE
> url:www.siqual.com
> org:SiQual, Signal Quality Engineering
> adr:;;18735 SW Boones Ferry Road;Tualatin ;OR;97062-3090;USA
> version:2.1
> email;internet:scott@vasthorizons.com
> title:Principal Engineer
> note:asdfsdaf
> fn:Scott McMorrow
> end:vcard
>

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