Re: What is the Best PCB Layout software ? (Money no object)

From: Ian McBride (ianmcbride2003_at_yahoo.com)
Date: 01/13/04 

Date: Tue, 13 Jan 2004 04:14:27 GMT

"Ralph Malph" <noone@yahoo.com> wrote in message
news:40036859.F8EA05E7@yahoo.com...

> One thing it can't do (without screwing up the DRC) is holes in a PAD.
> I am using a small regulator that requires heat spreaders on the top and
> bottom of the board connected by vias directly under the thermal pad on
> the bottom of the package. I know this is not normal, but TI recommends
> it. I was never able to get rid of the DRC errors this produced.

If this is the package I remember, you can make the thermal pad a small pad
with THERMAL=OFF inside a rectangle on the top layer. A pain, but no DRC
complaints.

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