The 16C61 comes to mind. (I used that in a design for my previous emloyer some several years back.) Brian Aase > > are there any PICs that are realy no longer available? > > Wouter van Ooijen -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist