At 19:37 8/07/99 -0700, you wrote: >Jim Paul wrote > > >> You're both right and wrong. The 16C84 uses EEPROM technology. This >makes >> it erasable electrically, obviously. The F84 parts use FLASH EPROM, >making >> it electrically erasable also. > >From what I've read, while Microchip calls the electrically eraseable >program PROMs "Flash" for marketing reasons, they are standard >EEPROM. Regardless, they behave the same operationally. True. >> The OTP parts use EPROM technology, but due to the fact that they're in a >> solid plastic package, >> they cannot be erased. There's no way for the UV light to get to the >array. >> Hope this clears up your confusion. > >This I understand. What I am confused by is their use of "C" in the >part number when their published naming system reserves the use of >"C" for EPROM program store, windowed or not. "C" is for CMOS. The original PICs were NMOS devices. Jim ________________________________________ Email: newfound@pipeline.com.au http://www.new-elect.com MPLAB compatible PIC programmers and firmware upgrades for many programmers. ________________________________________