ATMEGA644PA-MNR Microchip Technology

Description: IC MCU 8BIT 64KB FLASH 44VQFN, Program Memory Size: 64KB (32K x 16), Speed: 20MHz, Mounting Type: Surface Mount, Package / Case: 44-VFQFN Exposed Pad, Packaging: Tape & Reel (TR), Number of I/O: 32, Part Status: Active, Supplier Device Package: 44-VQFN (7x7), Peripherals: Brown-out Detect/Reset, POR, PWM, WDT, Connectivity: I2C, SPI, UART/USART, Voltage - Supply (Vcc/Vdd): 1.8V ~ 5.5V, Core Size: 8-Bit, Data Converters: A/D 8x10b, Core Processor: AVR, EEPROM Size: 2K x 8, Program Memory Type: FLASH, Oscillator Type: Internal, Operating Temperature: -40°C ~ 105°C (TA), RAM Size: 4K x 8, DigiKey Programmable: Not Verified.