Ken, The biggest difference is the die size. They may have also fixed some bugs in the silicon. Their should be a section towards the back of the databook that may explain improvements further. Best regards, Steve Steven Kosmerchock Radio Frequency Systems Phoenix, Arizona USA (WORK) www.rfsamericas.com www.geocities.com/researchtriangle/lab/6584 "Great spirits have always encountered violent oppposition from mediocre minds."--A.Einstein -----Original Message----- From: Ken Godee [mailto:ken@PERFECT-IMAGE.COM] Sent: Tuesday, November 07, 2000 11:51 AM To: PICLIST@MITVMA.MIT.EDU Subject: 16C63A vs 16C63??? 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 -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu