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

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From: Doug Brooks (doug@eskimo.com)
Date: Mon Mar 13 2000 - 10:28:52 PST


Assuming you ARE controlling for impedance and crosstalk, trace width is
not an issue UNLESS there is a power (trace heating) issue. Absent that,
width is not an issue.

Doug Brooks

At 09:04 AM 3/13/00 +0800, you 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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Doug Brooks, President doug@eskimo.com
UltraCAD Design, Inc. http://www.ultracad.com

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