Device Core = AVR / Data Bus Width Bit = 8 / Instruction Set Architecture = RISC / Family Name = ATtiny / Clock Frequency Max. MHz = 20 / Program Memory Type = Flash / Program Memory Size KB = 4 / Data Memory Size B = 256 / RAM Memory Size B = 256 / Interfaces = SPI / Interfaces = I²C / Interfaces = debugWIRE / Interfaces = 3-Wire / ADC Channels = 8 / ADC Resolution Bit = 10 / DAC Resolution Bit = 10 / Number of Programmable I/Os = 12 / Number of Timers/Counters = 2 / Comparators = 1 / Supply Voltage Min. V = 1.8 / Supply Voltage Max. V = 5.5 / Operating Temperature Min. °C = -40 / Operating Temperature Max. °C = 85 / Package Type = SOIC / Pins = 14 / Mounting Type = SMD / Packaging = Tape & Reel / Length mm = 8.65 / Width mm = 3.9 / Height mm = 1.25