Advanced RISC Architecture – 120 Powerful Instructions – Most Single Clock Cycle Execution – 32 x 8 General Purpose Working Registers – Fully Static Operation Non-volatile Program and Data Memories – 2/4/8K Bytes of In-System Programmable Program Memory Flash Endurance: 10,000 Write/Erase Cycles – 128/256/512 Bytes In-System Programmable EEPROM Endurance: 100,000 Write/Erase Cycles – 128/256/512 Bytes Internal SRAM – Programming Lock for Self-Programming Flash Program and EEPROM Data Security Peripheral Features – 8-bit Timer/Counter with Prescaler and Two PWM Channels – 8-bit High Speed Timer/Counter with Separate Prescaler 2 High Frequency PWM Outputs with Separate Output Compare Registers Programmable Dead Time Generator – USI – Universal Serial Interface with Start Condition Detector – 10-bit ADC 4 Single Ended Channels 2 Differential ADC Channel Pairs with Programmable Gain (1x, 20x) Temperature Measurement – Programmable Watchdog Timer with Separate On-chip Oscillator – On-chip Analog Comparator Special Microcontroller Features – debugWIRE On-chip Debug System – In-System Programmable via SPI Port – External and Internal Interrupt Sources – Low Power Idle, ADC Noise Reduction, and Power-down Modes – Enhanced Power-on Reset Circuit – Programmable Brown-out Detection Circuit – Internal Calibrated Oscillator I/O and Packages – Six Programmable I/O Lines – 8-pin PDIP, 8-pin SOIC, 20-pad QFN/MLF, and 8-pin TSSOP (only ATtiny45/V) Operating Voltage – 1.8 - 5.5V for ATtiny25V/45V/85V – 2.7 - 5.5V for ATtiny25/45/85 Speed Grade – ATtiny25V/45V/85V: 0 – 4 MHz @ 1.8 - 5.5V, 0 - 10 MHz @ 2.7 - 5.5V – ATtiny25/45/85: 0 – 10 MHz @ 2.7 - 5.5V, 0 - 20 MHz @ 4.5 - 5.5V Industrial Temperature Range Low Power Consumption – Active Mode: 1 MHz, 1.8V: 300 µA – Power-down Mode: 0.1 µA at 1.8V