On Tue, Aug 21, 2012 at 1:45 PM, Matt Bennett wrot= e: > The real answer is: don't route under QFN packages. I route under QFNs to connect to the ground plane using vias, or to connect one pad to another pad (hence no vias.) --=20 Martin K. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .