[SI-LIST] Re: diff pair names
- From: bbolton <bbolton@xxxxxx>
- To: si-list <si-list@xxxxxxxxxxxxx>
- Date: Mon, 13 Sep 2004 14:47:48 -0400
Hi,
I usually use "+/-" on the PCB level and _p _n on the schematic and in HDL.
Positive and Negative leg of the pair seems to be the natural way to talk
about it.
Bryce
>===== Original Message From billw@xxxxxxxxxxx =====
>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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