Re: Process parameters

From: Andy Ingraham <ingraham@wrksys.ENET.dec.com>
Date: Wed Jul 16 1997 - 06:58:57 PDT

Vipul,

I have no idea why it says what it does in the cookbook. But I think
you should always use best/worst case process models if you have them.

If you don't have them, then you may need to fudge them by tweaking
the typical process curves. This may be the case if you are
characterizing actual devices where almost everything is typical.

The IBIS spec itself (version 2.1) also has some discussion about
using "typical process, minus 'X%'" and "typical process, plus 'X%'."
As far as I am concerned, you should ignore such wording and just do
the right thing. Use your min and max process parameters.

Regards,
Andy
 
Received on Wed Jul 16 07:08:25 1997

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