This part is a kind of semiconductor called ATTINY13A.

Function of this product has 8-bit Microcontroller.

Manufacturers : Atmel

Image and pinout :

Some of the text within the PDF file :

Features • High Performance, Low Power AVR® 8-Bit Microcontroller • Advanced RISC Architecture – 120 Powerful Instructions – Most Single Clock Cycle Execution – 32 x 8 General Purpose Working Registers – Fully Static Operation – Up to 20 MIPS Througput at 20 MHz High Endurance Non-volatile Memory segments – 1K Bytes of In-System Self-programmable Flash program memory – 64 Bytes EEPROM – 64 Bytes Internal SRAM – Write/Erase Cycles: 10,000 Flash/100,000 EEPROM – Data retention: 20 Years at 85°C/100 Years at 25°C (see page 6) – Programming Lock for Self-Programming Flash & EEPROM Data Security Peripheral Features – One 8-bit Timer/Counter with Prescaler and Two PWM Channels – 4-channel, 10-bit ADC with Internal Voltage Reference – Programmable Watchdog Timer [ ... ]

ATTINY13A PDF Datasheet Download