Hi Can't you get away with port expansion? If so, a PIC16C84 or 'F84 will do the trick. EEPROM program code and some 32 EEPROM internal (RAM) registers. Steven J Tucker wrote: > I have a project that required about 20 i/o lines, program memory and > hopefully some eeprom or 2 or 3 more i/o lines for a serial eeprom. The > i/o lines should be able to read/write TTL levels when run off 5v. -- Eric van Es | Cape Town, South Africa mailto:vanes@ilink.nis.za | http://www.nis.za/~vanes LOOKING FOR TEMPORARY / HOLIDAY ACCOMODATION? http://www.nis.za/~vanes/accom.htm