Hi Todd How about the PIC16c61? This is a '71 with the a/d disabled. Cost seems to be reasonable. >Alternatly, anyone know of something elsethat is similar to the 16C84? I >need 20 MHz, and have 98% of the '84's ROM used (ram isn't critical). It's >kind of convenient to prototype on a '84 and then swap for production; >anyone else have any ideas on this? Dwayne Reid Trinity Electronics Systems Ltd Edmonton, Alberta, CANADA (403) 489-3199 voice (403) 487-6397 fax