[SI-LIST] Re: timing analysis

At 04:41 AM 3/26/2007, Athidhi wrote:
>Hi all
>i want to know practially how to do a timing analysis in the board
>i have these questions
>1.wht flight time values we have to take for setup and hold time marigns
>calculatons i.e can we take flight time for the rising edge  for both setup
>and hold calculations?

Yes.


>if we get a negitive values of flight times,can we
>take these -ve flight times into calculations.


Yes.

>2.Is it correct: *hold margin= data valid window- setup margin-setup time-
>hold time.*

No, never in the real world.


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