ATtiny85-20PU

Features

8-pin AVR Microcontroller
Flash Program Memory: 8 kbytes
EEPROM Data Memory: 512 bytes
SRAM Data Memory: 512 bytes
I/O Pins: 6
Timers: Two 8-bit
A/D Converter: 10-bit Four Channel
USI: Universal Serial Interface
Internal Oscillator: 8MHz
External Oscillator: up to 20MHz