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ATmega644PA 8-bit AVR® Microcontrollers

Microchip ATmega644PA 8-bit AVR^® CMOS Microcontrollers are low-power and based on the AVR^® enhanced RISC architecture. The Atmel ATmega644PA is a powerful 8-bit microcontroller, that offers excellent flexibility and a cost-effective solution to a wide range of embedded control applications.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
8-bit Microcontrollers - MCU 16 MHz, 85DEG ATMEGA64M1-AU Microchip Technology 1: 5,93 € 26 199In Stock	Mfr. Part No. ATMEGA64M1-AU Mouser Part No 556-ATMEGA64M1-AU	Microchip Technology	8-bit Microcontrollers - MCU 16 MHz, 85DEG Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	26 199In Stock	5,93 € 5,44 € 4,94 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-MU Microchip Technology 1: 4,76 € 419In Stock	Mfr. Part No. ATMEGA644A-MU Mouser Part No 556-ATMEGA644A-MU	Microchip Technology	8-bit Microcontrollers - MCU 20 MHz Ind Temp Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	419In Stock	4,76 € 4,35 € 3,94 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN ATMEGA644PA-MN Microchip Technology 1: 5,83 € 366In Stock	Mfr. Part No. ATMEGA644PA-MN Mouser Part No 556-ATMEGA644PA-MN	Microchip Technology	8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	366In Stock	5,83 € 5,33 € 4,83 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V ATMEGA640V-8AU Microchip Technology 1: 8,84 € 805In Stock	Mfr. Part No. ATMEGA640V-8AU Mouser Part No 556-ATMEGA640V8AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	805In Stock	8,84 € 8,11 € 7,34 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND ATMEGA644-20MUR Microchip Technology 1: 6,04 € 6 306In Stock	Mfr. Part No. ATMEGA644-20MUR Mouser Part No 556-ATMEGA644-20MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	6 306In Stock	Cut Tape 6,04 € 5,87 € Reel 5,00 €	Min.: 1 Mult.: 1 : 4 000
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins ATMEGA645-16AU Microchip Technology 1: 6,76 € 267In Stock	Mfr. Part No. ATMEGA645-16AU Mouser Part No 556-ATMEGA645-16AU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	267In Stock	6,76 € 6,18 € 5,61 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND ATMEGA649A-AUR Microchip Technology 1: 6,20 € 1 525In Stock	Mfr. Part No. ATMEGA649A-AUR Mouser Part No 556-ATMEGA649A-AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	1 525In Stock	Cut Tape 6,20 € 6,03 € Reel 5,15 €	Min.: 1 Mult.: 1 : 1 000
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5 ATMEGA649-16AUR Microchip Technology 1: 8,39 € 2 000In Stock	Mfr. Part No. ATMEGA649-16AUR Mouser Part No 556-ATMEGA649-16AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5 Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	2 000In Stock	Cut Tape 8,39 € 8,20 € Reel 6,97 €	Min.: 1 Mult.: 1 : 1 000
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND ATMEGA644-20AUR Microchip Technology 1: 6,04 € 3 863In Stock	Mfr. Part No. ATMEGA644-20AUR Mouser Part No 556-ATMEGA644-20AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	3 863In Stock	Cut Tape 6,04 € 5,87 € Reel 5,00 €	Min.: 1 Mult.: 1 : 2 000
8-bit Microcontrollers - MCU 16MHz 105C ATMEGA64A-ANR Microchip Technology 1: 5,22 € 1 662In Stock	Mfr. Part No. ATMEGA64A-ANR Mouser Part No 556-ATMEGA64A-ANR	Microchip Technology	8-bit Microcontrollers - MCU 16MHz 105C Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	1 662In Stock	Cut Tape 5,22 € 5,07 € Reel 4,33 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000
8-bit Microcontrollers - MCU 16MHz MLF 105C ATMEGA64A-MN Microchip Technology 1: 5,07 € 98In Stock	Mfr. Part No. ATMEGA64A-MN Mouser Part No 556-ATMEGA64A-MN	Microchip Technology	8-bit Microcontrollers - MCU 16MHz MLF 105C Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	98In Stock	5,07 € 4,64 € 4,20 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD ATMEGA649-16MU Microchip Technology 1: 8,23 € 258In Stock	Mfr. Part No. ATMEGA649-16MU Mouser Part No 556-ATMEGA649-16MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	258In Stock	8,23 € 7,55 € 6,84 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ATMEGA644PV-10MU Microchip Technology 1: 6,06 € 200In Stock	Mfr. Part No. ATMEGA644PV-10MU Mouser Part No 556-ATMEGA644PV-10MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	200In Stock	6,06 € 5,56 € 5,02 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND ATMEGA645P-MU Microchip Technology 1: 6,05 € 1 300In Stock	Mfr. Part No. ATMEGA645P-MU Mouser Part No 556-ATMEGA645P-MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	1 300In Stock	6,05 € 5,54 € 5,01 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND ATMEGA645A-AUR Microchip Technology 1: 5,66 € 960In Stock	Mfr. Part No. ATMEGA645A-AUR Mouser Part No 556-ATMEGA645A-AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	960In Stock	Cut Tape 5,66 € 5,52 € Reel 4,70 €	Min.: 1 Mult.: 1 : 1 000
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V ATMEGA645-16AUR Microchip Technology 1: 6,91 € 748In Stock	Mfr. Part No. ATMEGA645-16AUR Mouser Part No 556-ATMEGA645-16AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	748In Stock	Cut Tape 6,91 € 6,72 € Reel 5,74 €	Min.: 1 Mult.: 1 : 1 000
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, EXT ATMEGA64L-8AQR Microchip Technology 1: 9,15 € 747In Stock	Mfr. Part No. ATMEGA64L-8AQR Mouser Part No 556-ATMEGA64L-8AQR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, EXT Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	747In Stock	Cut Tape 9,15 € 8,93 € Reel 7,59 €	Min.: 1 Mult.: 1 : 1 000
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V ATMEGA645V-8AU Microchip Technology 1: 6,76 € 176In Stock	Mfr. Part No. ATMEGA645V-8AU Mouser Part No 556-ATMEGA645V8AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	176In Stock	6,76 € 6,18 € 5,61 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz IND ATMEGA64A-AUR Microchip Technology 1: 5,09 € 2 721In Stock 4 000Expected 10/2/2026	Mfr. Part No. ATMEGA64A-AUR Mouser Part No 556-ATMEGA64A-AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	2 721In Stock 4 000Expected 10/2/2026	Cut Tape 5,09 € 4,96 € Reel 4,23 € MouseReel Available	Min.: 1 Mult.: 1 : 1 000
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND ATMEGA64A-MUR Microchip Technology 1: 5,09 € 6 275In Stock	Mfr. Part No. ATMEGA64A-MUR Mouser Part No 556-ATMEGA64A-MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	6 275In Stock	Cut Tape 5,09 € 4,96 € Reel 4,23 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND ATMEGA64L-8MUR Microchip Technology 1: 9,02 € 2 732In Stock	Mfr. Part No. ATMEGA64L-8MUR Mouser Part No 556-ATMEGA64L-8MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	2 732In Stock	Cut Tape 9,02 € 8,80 € Reel 7,49 € MouseReel Available	Min.: 1 Mult.: 1 : 4 000
8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins ATMEGA640-16AU Microchip Technology 1: 8,84 € 479In Stock	Mfr. Part No. ATMEGA640-16AU Mouser Part No 556-ATMEGA640-16AU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	479In Stock	8,84 € 8,11 € 7,34 €	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND ATMEGA640-16AUR Microchip Technology 1: 9,01 € 679In Stock	Mfr. Part No. ATMEGA640-16AUR Mouser Part No 556-ATMEGA640-16AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	679In Stock	Cut Tape 9,01 € 8,78 € Reel 7,48 € MouseReel Available	Min.: 1 Mult.: 1 : 1 500
8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V IND ATMEGA640V-8AUR Microchip Technology 1: 9,01 € 872In Stock	Mfr. Part No. ATMEGA640V-8AUR Mouser Part No 556-ATMEGA640V-8AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	872In Stock	Cut Tape 9,01 € 8,78 € Reel 7,48 €	Min.: 1 Mult.: 1 : 1 500
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-AU Microchip Technology 1: 4,76 € 932In Stock 2 080Expected 9/28/2026	Mfr. Part No. ATMEGA644A-AU Mouser Part No 556-ATMEGA644A-AU	Microchip Technology	8-bit Microcontrollers - MCU 20 MHz Ind Temp Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	932In Stock 2 080Expected 9/28/2026	4,76 € 4,35 € 3,94 €	Min.: 1 Mult.: 1

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