PIC16F84A
18-pin Enhanced FLASH/EEPROM 8-Bit Microcontroller
High Performance RISC CPU Features:
Only 35 single word instructions to learn All instructions single-cycle except for program
branches which are two-cycle Operating speed: DC - 20 MHz clock input
DC - 200 ns instruction cycle 1024 words of program memory 68 bytes of Data RAM 64 bytes ...