This part is a kind of semiconductor called PIC16F84.

Function of this product has (PIC16F8x) 18-pin Flash/EEPROM 8-Bit Microcontrollers.

Manufacturers : Microchip Technology

Image and pinout :

Some of the text within the PDF file :

PIC16F8X 18-pin Flash/EEPROM 8-Bit Microcontrollers Devices Included in this Data Sheet: • • • • • PIC16F83 PIC16F84 PIC16CR83 PIC16CR84 Extended voltage range devices available (PIC16LF8X, PIC16LCR8X) Pin Diagrams PDIP, SOIC RA2 RA3 RA4/T0CKI MCLR VSS RB0/INT RB1 RB2 RB3 •1 18 17 16 15 14 13 12 11 10 RA1 RA0 OSC1/CLKIN OSC2/CLKOUT VDD RB7 RB6 RB5 RB4 2 3 4 5 6 7 8 9 PIC16F8X PIC16CR8X 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 - 10 MHz clock input DC - 400 ns instruction cycle Device PIC16F83 PIC16F84 Program Memory (words) 512 Flash 1 K Flash Data Data RAM EEPROM (bytes) (bytes) 36 68 36 68 64 64 64 64 Max. Freq (MHz) 10 10 10 [ ... ]

PIC16F84 PDF Datasheet Download