[SI-LIST] Re: About Tco

Actually I have the same question about Hyperlynx: is
the result displayed at the driver or the package's
pin?
/dan


--- TerenceHsieh@xxxxxxxxxxxx wrote:

> Dear all
>         Is any one know that if the V/T waveform in
> ibis include 
> buffer delay? I have compared the output waveforms
> of (1)spice
> file, (2)ibis in spice and (3)ibis in borad
> simulation tool(specctraquest). 
> There are some difference in delay (between (1)(2)
> about 100~300ps; 
> between (1)(3) the delay difference will > 1ns ). Is
> this condition normal?
> How could I generate more accurate waveform?
> Terence
> 
>
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