Product Attribute Attribute Value Select All Product Category Microcontrollers and Processors > Microcontroller (MCU) Common Package QFP, TQFP RoHS Compliant Mounting Type Surface Mount Operating Temperature -40℃(TA) - 85℃(TA) Length*Width*Height 1.2mm (Height) Application Level Industrial Part Status Active Packaging Bulk, Tray Minimum Operating Supply Voltage 2.7V Peripherals Brown-out Detect/Reset, POR, PWM, WDT RAM Size 4KB Number of I/O 53 Speed 8MHz Data Bus Width 8-bit Number of Cores 1 Maximum Operating Supply Voltage 5.5V Maximum Clock Frequency 8MHz Program Memory Size 128KB Oscillator Type Internal Data Converter A/D 8x10b Voltage - Supply (Vcc/Vdd) 2.7V ~ 5.5V Core Processor AVR Program Memory Type FLASH EEPROM Size 4 x