alliance-support '02
Re: VDD-VSS ERROR


GIIE (giie77@yahoo.com)
Wed, 2 Jan 2002 01:28:31 -0800 (PST)

Thanks sir, I still got the same error sir, after adding a vdd and vss to each line. here's a run down of what I did -- for the following (.rin) file, north (p0 vdd2 vss2 NCpad ) west ( p1 vdd1 vss1 p2 ) south ( p3 vdd vss p14 ) east ( p12 vddi vssi p13 ) I had added vdd1,vss1,vdd2,vss2 to the power pins in my (.c) file and recompiled using genlib before I used RING and the error I got is this: o reading netlists, layout views of core and pads. Warning 2 : consistency checks will be disabled o reading file of parameters, including the placements of pads. o making equipotential list. o making the first placement of pads. o filling data internal structures. o reading the connectors positions of the core. o computing the best placement of the pads. The pads <vdd> and/or <vss> aren't place in front of the side 'S' of the core. You may place again the supply pads, in order to center them in front of the core. Pls sir, is the error in my (.rin) file or where. I have tried various arrangements and it has not disappeared. Pls help. thanks GIIE fabrice ilponse <Fabrice.Ilponse@lip6.fr> wrote: GIIE wrote: > Pls could you help me regarding the vdd/vss error that manifests like > this. I really dont know what to do > > as I have been stuck here for about one week. > > > @@@@@@@ @ @@@@ @ > @@ @@ @@@ @@ @@ > @@ @@ @ @@ @ > @@ &nb! sp; @@ @@@ @@@ @@ > @@ @@ @@@@ @@@ @ @@ > @@@@@ @@ @@ @@ @@ @@@@@ > @@ @@ @@ @@ @@ @@ @ @@ > @@ @@ @@ @@ &! nbsp; @@ @@ @ @@ > @@ @@ @@ @@ @@ @@ @@ > @@ @@ @@ @@ @@ @@ @@ > @@@@@ @@@ @@@@@@ @@@@ @@@@ @@@@ > > PAD ring router > > Alliance CAD System 4.5.0, ring 2.11 > Copyright (c) 1991-2001, ASIM/LIP6/UPMC > E-mail support: alliance-support@asim.lip6.fr > > > o reading netlists, layout views of core and pads. > o reading file of parameters, including the placements of pads. > o making equipotential list. > o making the first placement of pads. > o filling data internal structures. > o reading the connectors positions of the core. > o computing the best placement of the pads. > *The pads and/or aren't place in front of the side 'W' of > the core. > You may place again the supply pads, in order to center them in front > of the core.* > > Where is the source of this error pls? is it in my (.rin) file or in > the (.ap) core file viewable with graal or where. Pls how do I correct > this error - i mean what do I do. I have tried arranging and > re-arranging my (.rin) file over and over again about 15 times > already, but then the position in the error changes from /*West, to > east, then north and then south and later back to west*/. Pls what do > I do. Here is my (.rin) file. > > north ( sa sb ) > west ( sc s0 vssi sd s1 ) > south ( yy NCpad ) > east ( vdd vddi vss) > I don't remember well but i think you must have one vdd and one vss pad on each side of the core. Each line should look like: east ( pad0 .... padx vdd12 vss12 pady .... padz) But perhaps am i mistaken... > PLS I NEED HELP. > THANKS > Giie > > > ------------------------------------------------------------------------ > *Do You Yahoo!?* > Send your FREE holiday greetings online at Yahoo! Greetings > . --------------------------------- Do You Yahoo!? Send your FREE holiday greetings online at Yahoo! Greetings.

 



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