This part is a kind of semiconductor called PIC16F720.

Function of this product has 20-Pin Flash Microcontrollers.

Manufacturers : Microchip

Image and pinout :

Some of the text within the PDF file :

PIC16(L)F720/721 20-Pin Flash Microcontrollers Devices Included In This Data Sheet: • PIC16F720 • PIC16F721 • PIC16LF720 • PIC16LF721 High-Performance RISC CPU: • Only 35 Instructions to Learn: - All single-cycle instructions except branches • Operating Speed: - DC – 16 MHz oscillator/clock input - DC – 250 ns instruction cycle • Up to 4K x 14 Words of Flash Program Memory • Up to 256 bytes of Data Memory (RAM) • Interrupt Capability • 8-Level Deep Hardware Stack • Direct, Indirect and Relative Addressing modes • Processor Self-Write/Read access to Program Memory Memory • High-Endurance Flash Data Memory - 128B of nonvolatile data storage - 100K erase/write cycles Special Microcontroller Features: • Precision Internal Oscillator: - 16 MHz or 500 kHz op [ ... ]

PIC16F720 PDF Datasheet Download