MICROCHIP ATMEGA645A-MU MCU, 8BIT, AVR, 20MHZ, VQFN-64

ADC Resolution 10Bit Product Range AVR ATmega Family ATmega325 Series Microcontrollers Supply Voltage Max 5.5 V MSL MSL 3 - 168 hours No. of I/O's 54 I/O's No. of Pins 64 Pins Interfaces I2C, SPI, UART ADC Channels 8 Channels IC Case / Package VQFN Device Core AVR Program Memory Size 64 KB RAM Memory Size 4 KB Operating Temperature Max 85 °C IC Mounting Surface Mount MCU Family AVR ATmega MCU Series ATmega325 Operating Temperature Min -40 °C Qualification - SVHC No SVHC (15-Jan-2018) Operating Frequency Max 20 MHz Supply Voltage Min 1.8 V