> I was thinking that these chips just might be the *exact same die*, > just a different number of the pins bonded out. It kind of makes sense > and lots of other chip makers do this. They could actually be > the exact > same chip, just a different package and part number. Could be, but the sudden introduction of this alarms me. Why not use the same 'silicon sharing' for 16F877/16F876 etc? Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads