Re: BIRD 68.1

Adam:

As long as the rising and falling
waveforms are reasonable for the
area of operation, you probably do
not need the tr and tf information.
However, you could document it as
a Note or comment.

The EDA tool probably would not use
the information.

Bob Ross
Mentor Graphics

> Adam.Tambone@fairchildsemi.com wrote:
>
> Bob,
>
> Thank you again for your response, it is very clear.
>
> Another question.
>
> If the user should simulate with the IBIS model using an input stimulus
> with the same trise and tfall as was used with the input stimulus in S2I
> translation, how does the user know what this is as it is not a parameter
> included in the IBIS datasheet? I assume the user should refer to the
> vendor's datasheet for input tr and tf, but that is assuming the IBIS
> datasheet generator used the same tr and tf. Should input tr and tf be
> parameters included in an IBIS datasheet?
>
> Respectfully,
> Adam Tambone
>
 
Received on Wed Jun 13 13:21:58 2001