J Jerran New Member Mar 28, 2004 #2 16F84: 68 data ram 10 Mhz clock 13 io ports 1 timer + WDT 64 bytes of eeprom 16F84a 58 data ram 20 Mhz clock 13 io ports 1 timer + WDT 64 bytes of eeprom The only difference I see from the data sheets on www.microchip.com is the clock speed.
16F84: 68 data ram 10 Mhz clock 13 io ports 1 timer + WDT 64 bytes of eeprom 16F84a 58 data ram 20 Mhz clock 13 io ports 1 timer + WDT 64 bytes of eeprom The only difference I see from the data sheets on www.microchip.com is the clock speed.
Nigel Goodwin Super Moderator Most Helpful Member Mar 28, 2004 #3 It's basically just a later silicon revision, not a total change of technology like the 876A and 877A.
It's basically just a later silicon revision, not a total change of technology like the 876A and 877A.