[SI-LIST] Re: diff pair names
- From: Bill Wurst <billw@xxxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 13 Sep 2004 06:42:49 -0400
Weston,
My personal preference is to use T & C to easily distinguish diff pairs
from single-ended signals that are active low (negated, usually with the
_N suffix). Most important though: establish the rules early in the
project, communicate the rules to all project members, and get the
buy-in of each project member.
-Bill
=====================
Jon Powell wrote:
>Weston,
>One problem I ran into when trying to solve this problem was that many
>routes don't have the signals named, so they revert to default
>router/netlist names, which have no pattern what-so-ever. I finally had to
>rely on a library that mapped differential driver and receivers through pin
>number and part number.
>
>regards,
>jon
>
>
>-----Original Message-----
>From: si-list-bounce@xxxxxxxxxxxxx
>[mailto:si-list-bounce@xxxxxxxxxxxxx]On Behalf Of Beal, Weston
>Sent: Friday, September 10, 2004 12:54 PM
>To: si-list@xxxxxxxxxxxxx
>Subject: [SI-LIST] diff pair names
>
>
>Hi all,
>
>I'm working on small utility that needs to find differential pairs in PCB
>designs. One of the criteria that it uses is the net name. What are the
>common net naming conventions that you use or have seen used? These are the
>ones I am familiar with:
>
>AAA_P AAA_N
>AAA_P23 AAA_N23
>AAA23_P AAA23_N
>AAA AAA_L
>
>where "AAA" is any string of letters that is common to the two net names and
>"23" is any numeric string common to the two net names.
>
>Does anyone use T and C to represent TRUE and COMPLIMENT nets?
>
>Thanks for your help.
>
>Regards,
>Weston
>
>
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-Bill
billw@xxxxxxxxxxx <mailto:billw@xxxxxxxxxxx>
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