Probably a dumb question and sure it's been asked before.....but can anyone tell me the difference between the 16C63A and 16C63 besides price? Digikey ..... 63A/JW = $9.18 (single) 63/JW = $13.49 (single) Looking thru datasheets I can't find any difference. The Perfect Image Graphics Co. 2429 W. 12th St. Tempe, AZ 85281 800-533-8732 -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu