AVR ATtiny Family ATtiny26 Series Microcontrollers 8-bit Microcontrollers:

The high-performance, low-power Microchip 8-bit AVR RISC-based microcontroller combines 2KB of ISP flash memory, 128B ISP EEPROM, 128B internal SRAM, one 8/16-bit timer/counter with prescaler, one 8/10-bit high-speed timer/counter with PWM and separate prescaler, 10-bit A/D converter, a USI (Universal serial interface), and debugWIRE for on-chip debugging.

• External and Internal Interrupt Sources
• FLASH: Upto 2KB, EEPROM: Upto 128B, RAM: Upto 128B
• Low Power Idle, Noise Reduction, and Power-down Modes
• 10-Bit ADC
• In-System Programmable via SPI Port
• 8-bit Timer/Counter with Separate Prescaler
• Programmable Watchdog Timer with Separate On-chip Oscillator
• On-chip Analog Comparator
• Internal Calibrated RC Oscillator
• Applications: Home Automation, Household Appliances, Intelligent Sensors, HVAC