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MCU 8-bit ATmega AVR RISC 128KB Flash 3.3V/5V 64-Pin TQFP T/R
http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-2549-8-bit-AVR-Microcontroller-ATmega640-1280-1281-2560-2561_Summary.pdf
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This product has a minimum quantity of 20
MCU 8-bit ATmega AVR RISC 128KB Flash 3.3V/5V 64-Pin TQFP T/R
http://ww1.microchip.com/downloads/en/DeviceDoc/Atmel-2549-8-bit-AVR-Microcontroller-ATmega640-1280-1281-2560-2561_Summary.pdf
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