Re: [SI-LIST] : IBIS models

Syed Huq (shuq@cisco.com)
Thu, 26 Aug 1999 09:02:15 -0700 (PDT)

Mike,

You are correct. All pins should be specified under the [Pin] keyword.
I have come across 'one' company that is consistently doing this. Most
do provide a full [Pin] list.

Regards,
Syed
Cisco Systems, Inc

> X-SMAP-Received-From: outside
> Date: Thu, 26 Aug 1999 08:47:52 -0500 (CDT)
> From: Mike Mayer <Mike.Mayer@cp.artesyn.com>
> To: si-list@silab.eng.sun.com
> Subject: [SI-LIST] : IBIS models
>
> I have found several IBIS models that use the [Pin] keyword but only
> model a couple of pins. For example, an octal buffer in a 20-pin
> package that only includes statements for one buffer input pin, one
> buffer output pin, Vcc and Gnd. My reading of the IBIS spec would say
> that this is non-compliant. In Section 5 under "Usage Rules" for the
> [Pin] keyword the first sentence states "All pins on a component must
> be specified.".
>
> 1) Am I correctly interpreting the IBIS specification?
>
> 2) How common are models of this type?
>
> --
> =============================================================================
> Mike Mayer Artesyn Communication Products, Inc
> Madison, WI
> http://www.artesyn.com/cp
> =============================================================================
>
>
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