Re: [SI-LIST] : trace width for clock routing- wider/narrower?

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From: Ritchey Lee (leeritchey@earthlink.net)
Date: Mon Mar 13 2000 - 08:05:36 PST


It's not the trace width that matters. It's the resulting impedance and
how you use terminations to control reflections.

Lee

John Lin (L·) wrote:

>
>
> Dear All SI experts,
>
> For clock routing, does wider trace width have more advantage than
> narrower one ,in term of better electrical properties, under the
> condition of same trace to space ratio and good match in impedance
> with source terminators?
>
> For example, 5 mils trace width with 10 mils trace spacing versus
> 10mils trace width with 20 mils trace spacing.
>
> Thank you for your helps in advance.
>
> John Lin
> SI Engineer
> Quanta Computer Inc.,Taiwan, R.O.C.
> Email: John@quantatw.com
> Tel: 886+3+3979000 ext. 5183

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