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Clock tolerance

To: "802.3ae" <stds-802-3-hssg@xxxxxxxx>
Subject: Clock tolerance
From: "Devendra Tripathi" <tripathi@xxxxxxxxxxxx>
Date: Tue, 9 Jan 2001 12:02:50 -0800
Importance: Normal
In-Reply-To: <3A5A2AAA.98F2C2B8@xxxxxxxx>
Sender: owner-stds-802-3-hssg@xxxxxxxx


Hi,

Right now we are specifying the clock tolerance of 100 ppm. Currently
in-expensive
oscillators are available with tolerance value less than 50 ppm. Just like
we are moving
voltage levels, it is time we revise the tolerance value too. The elastic
buffer
requirements get simplified by this assumption. I propose that we reduce it
to 50 ppm.

Regards,
Devendra Tripathi
VidyaWeb, Inc

References:
- Re: PCS Management Counters
  - From: Ben Brown

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