Subject: RE: [IBIS] Time scale for VT plots on IBIS model.
From: Rokusek, Chris (chris_rokusek@mentorg.com)
Date: Thu Nov 21 2002 - 09:38:36 PST
Jeremy,
> From: Jeremy Plunkett
>
> <snip>
>
> Other tools remove
> leading "blank space" in the interest of avoiding the
> "overlapping Vt curves" issue that Hspice is subject to.
> Some tools, such as a version of XTK that I tested a while
> ago, will strip leading "blank space" on rising and falling
> waveforms _independently_, such that the relative rise/fall
> delays of the buffer are not preserved and the duty cycle is
> distorted when the model is used.
The ibis2xtk translator was corrected soon after to remove equal amounts
from each curve or even none at all with a user specified (ibis2xtk v5.2 in
late 2001).
Chris
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