[SI-LIST] Re: relation between rise time and trace length
- From: steve weir <weirsi@xxxxxxxxxx>
- To: Mohamed Ali Gazi <mohamedaligazi@xxxxxxxxx>
- Date: Thu, 10 Dec 2009 22:56:34 -0800
Your question is very fundamental. What have you done to try and learn
about the subject?
Steve.
Mohamed Ali Gazi wrote:
> Dear Experts,
> I understood from some of the materials that the trace length between the
> driver to receiver ( signal path + return path) should be less than the rise
> time. Is my understanding correct?
>
> For example if the rise time of a signal is 1ns then the signal trace length
> should be less than 3 inches( signal trace length 3 inches and return path 3
> inches totally 6 inches = 1 ns of signal travel delay which is equal to rise
> time of the signal)
>
> If my understanding is wrong can anybody please provide me with some
> materials to understand it. Sorry if this is bit basic question.
>
> Thank you very much.
> Mohamed Ali
>
>
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