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Varactor DRC error

 
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qqpei



Joined: 18 Jul 2002
Posts: 11


Post09 Jul 2004 17:05   Varactor DRC error

Hi all,

I am working on the layout of a VCO. I use a varactor pc-cell named varcap provided by tsmc 0.25 PDK. But DRC always reports errors like "NMOS to Pwell contact max 20um" and "NMOS must be outside Nwell" even I put nothing but the varactor pc-cell alone. I couldn't figure it out.

Anyone have experierence with that?
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Hughes



Joined: 10 Jun 2003
Posts: 715
Helped: 85


Post12 Jul 2004 8:07   Varactor DRC error

This should be a false error. You may waive it.
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xinsu



Joined: 08 May 2004
Posts: 60


Post13 Jul 2004 8:07   Varactor DRC error

You should check your DRC deck and found which case report this type of error.
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