Microcontrollers\ Series AVRﾮ ATtiny\ Core Processor AVR\ Core Size 8-Bit\ Speed 10MHz\ Connectivity SPI, UARTUSART\ Peripherals Brown-out DetectReset, POR, PWM, WDT\ Number of I O 18\ Program Memory Size 2KB (1K x 16)\ Program Memory Type FLASH\ EEPROM Size 128 x 8\ RAM Size 128 x 8\ Voltage - Supply (VccVdd) 1.8 V ~ 5.5 V\ Data Converters \ Oscillator Type Internal\ Operating Temperature -40°C ~ 85°C\ Package Case 20-SOIC (0.295", 7.50mm Width)