piclist-bounces@mit.edu wrote: > Two small vias a better than a large one, three are much better than > two... > http://circuitcalculator.com/wordpress/2006/03/12/pcb-via-calculator/ thanks for that link. There is a TI document cited as a reference. I obviously have not had more than a few minutes to glance at it, but to steal Russell's catchphrase, it looks "utterly superb" -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist