PIC16F84A Microcontroller IC Integrated Circuits

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 of Data EEPROM
14-bit wide instruction words
8-bit wide data bytes
15 Special Function Hardware registers
Eight-level deep hardware stack
Direct, indirect and relative addressing modes
Four interrupt sources:
- External RB0/INT pin
- TMR0 timer overflow
- PORTB<7:4> interrupt-on-change
- Data EEPROM write complete

Peripheral Features:
13 I/O pins with individual direction control
High current sink/source for direct LED drive
- 25 mA sink max. per pin
- 25 mA source max. per pin
TMR0: 8-bit timer/counter with 8-bit
programmable prescaler

CMOS Enhanced FLASH/EEPROM Technology:
Low power, high speed technology
Fully static design
Wide operating voltage range:
- Commercial: 2.0V to 5.5V
- Industrial: 2.0V to 5.5V
Low power consumption:
- < 2 mA typical @ 5V, 4 MHz
- 15 mA typical @ 2V, 32 kHz
- < 0.5 mA typical standby current @ 2V

18-pin Enhanced FLASH/EEPROM
8-bit Microcontroller