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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 (IDR) Filter the results in the table by unit price based on your quantity.	Qty.
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-AU Microchip Technology 1: Rp118.148,24 686In Stock	Mfr. Part No. ATMEGA644PA-AU Mouser Part No 556-ATMEGA644PA-AU	Microchip Technology	8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	686In Stock	Rp118.148,24 Rp108.424,86 Rp98.334,56	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-MU Microchip Technology 1: Rp118.148,24 791In Stock	Mfr. Part No. ATMEGA644PA-MU Mouser Part No 556-ATMEGA644PA-MU	Microchip Technology	8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	791In Stock	Rp118.148,24 Rp108.424,86 Rp98.334,56	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-PU Microchip Technology 1: Rp125.853,56 574In Stock	Mfr. Part No. ATMEGA644PA-PU Mouser Part No 556-ATMEGA644PA-PU	Microchip Technology	8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	574In Stock	Rp125.853,56 Rp115.029,42 Rp104.388,74	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8 ATMEGA644PV-10AUR Microchip Technology 1: Rp131.907,74 840In Stock	Mfr. Part No. ATMEGA644PV-10AUR Mouser Part No 556-ATMEGA644PV10AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8 Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	840In Stock	Cut Tape Rp131.907,74 Rp128.422,00 Reel Rp109.709,08	Min.: 1 Mult.: 1 : 2.000
8-bit Microcontrollers - MCU 16 MHz, 85DEG ATMEGA64M1-MU Microchip Technology 1: Rp126.403,94 1.218In Stock	Mfr. Part No. ATMEGA64M1-MU Mouser Part No 556-ATMEGA64M1-MU	Microchip Technology	8-bit Microcontrollers - MCU 16 MHz, 85DEG Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	1.218In Stock	Rp126.403,94 Rp115.946,72 Rp105.306,04	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644-20AU Microchip Technology 1: Rp125.853,56 329In Stock 2.400On Order	Mfr. Part No. ATMEGA644-20AU Mouser Part No 556-ATMEGA644-20AU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	329In Stock 2.400On Order On Order Ship Dates Mfr. No: ATMEGA644-20AU Stock: 329 Can Dispatch Immediately On Order: 960 Expected 25/01/2027 1.440 Expected 08/03/2027 Factory Lead Time: 20 Weeks	Rp125.853,56 Rp115.579,80 Rp104.755,66	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND ATMEGA644-20AUR Microchip Technology 1: Rp128.788,92 1.563In 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	1.563In Stock	Cut Tape Rp128.788,92 Rp125.303,18 Reel Rp106.590,26	Min.: 1 Mult.: 1 : 2.000
8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP ATMEGA644PA-AN Microchip Technology 1: Rp123.285,12 735In Stock	Mfr. Part No. ATMEGA644PA-AN Mouser Part No 556-ATMEGA644PA-AN	Microchip Technology	8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	735In Stock	Rp123.285,12 Rp112.827,90 Rp102.187,22	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644V-10AU Microchip Technology 1: Rp125.853,56 432In Stock	Mfr. Part No. ATMEGA644V-10AU Mouser Part No 556-ATMEGA644V10AU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	432In Stock	Rp125.853,56 Rp115.579,80 Rp104.755,66	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64K Flsh 2K EEPROM 4K SRAM 16MHz ATMEGA64A-AU Microchip Technology 1: Rp105.672,96 2.145In Stock 2.160Expected 12/03/2027	Mfr. Part No. ATMEGA64A-AU Mouser Part No 556-ATMEGA64A-AU	Microchip Technology	8-bit Microcontrollers - MCU 64K Flsh 2K EEPROM 4K SRAM 16MHz Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	2.145In Stock 2.160Expected 12/03/2027	Rp105.672,96 Rp96.866,88 Rp87.693,88	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz IND ATMEGA64A-AUR Microchip Technology 1: Rp108.608,32 2.603In Stock 4.000Expected 30/10/2026	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	2.603In Stock 4.000Expected 30/10/2026	Cut Tape Rp108.608,32 Rp105.856,42 Reel Rp90.262,32 MouseReel Available	Min.: 1 Mult.: 1 : 1.000
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC ATMEGA64-16MU Microchip Technology 1: Rp188.963,80 25In Stock	Mfr. Part No. ATMEGA64-16MU Mouser Part No 556-ATMEGA64-16MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	25In Stock	Rp188.963,80 Rp173.553,16 Rp157.041,76	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins ATMEGA640-16AU Microchip Technology 1: Rp188.596,88 279On Order	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	279On Order	Rp188.596,88 Rp173.002,78 Rp156.674,84	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644-20PU Microchip Technology 1: Rp133.925,80 29In Stock 110Expected 03/12/2026	Mfr. Part No. ATMEGA644-20PU Mouser Part No 556-ATMEGA644-20PU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	29In Stock 110Expected 03/12/2026	Rp133.925,80 Rp122.551,28 Rp110.993,30	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-PU Microchip Technology 1: Rp108.241,40 12In Stock 390Expected 30/10/2026	Mfr. Part No. ATMEGA644A-PU Mouser Part No 556-ATMEGA644A-PU	Microchip Technology	8-bit Microcontrollers - MCU 20 MHz Ind Temp Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	12In Stock 390Expected 30/10/2026	Rp108.241,40 Rp99.068,40 Rp89.711,94	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND ATMEGA644PA-AUR Microchip Technology 1: Rp121.083,60 90In Stock 4.000Expected 02/11/2026	Mfr. Part No. ATMEGA644PA-AUR Mouser Part No 556-ATMEGA644PA-AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	90In Stock 4.000Expected 02/11/2026	Cut Tape Rp121.083,60 Rp118.331,70 Reel Rp100.536,08 MouseReel Available	Min.: 1 Mult.: 1 : 2.000
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V ATMEGA644P-20AQ Microchip Technology 1: Rp131.907,74 47In Stock	Mfr. Part No. ATMEGA644P-20AQ Mouser Part No 556-ATMEGA644P-20AQ	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	47In Stock	Rp131.907,74 Rp121.083,60 Rp109.709,08	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND ATMEGA645A-AU Microchip Technology 1: Rp117.047,48 41In Stock 540Expected 11/02/2027	Mfr. Part No. ATMEGA645A-AU Mouser Part No 556-ATMEGA645A-AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	41In Stock 540Expected 11/02/2027	Rp117.047,48 Rp107.507,56 Rp97.233,80	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD ATMEGA649-16AU Microchip Technology 1: Rp175.571,22 25In Stock	Mfr. Part No. ATMEGA649-16AU Mouser Part No 556-ATMEGA649-16AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	25In Stock	Rp175.571,22 Rp161.077,88 Rp145.850,70	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND ATMEGA649A-AU Microchip Technology 1: Rp128.972,38 23In Stock	Mfr. Part No. ATMEGA649A-AU Mouser Part No 556-ATMEGA649A-AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	23In Stock	Rp128.972,38 Rp118.148,24 Rp106.957,18	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU 16MHz 105C ATMEGA64A-AN Microchip Technology 1: Rp108.057,94 27In Stock 180Expected 09/04/2027	Mfr. Part No. ATMEGA64A-AN Mouser Part No 556-ATMEGA64A-AN	Microchip Technology	8-bit Microcontrollers - MCU 16MHz 105C Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	27In Stock 180Expected 09/04/2027	Rp108.057,94 Rp98.884,94 Rp89.345,02	Min.: 1 Mult.: 1
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND ATMEGA64L-8AUR Microchip Technology 1: Rp192.449,54 15In Stock 2.000Expected 12/02/2027	Mfr. Part No. ATMEGA64L-8AUR Mouser Part No 556-ATMEGA64L-8AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	15In Stock 2.000Expected 12/02/2027	Cut Tape Rp192.449,54 Rp187.679,58 Reel Rp159.793,66 MouseReel Available	Min.: 1 Mult.: 1 : 1.000
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHZ 5V ATMEGA64-16AUR Microchip Technology 1: Rp192.449,54 2.000Expected 15/03/2027	Mfr. Part No. ATMEGA64-16AUR Mouser Part No 556-ATMEGA64-16AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHZ 5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	2.000Expected 15/03/2027	Cut Tape Rp192.449,54 Rp187.679,58 Reel Rp159.793,66 MouseReel Available	Min.: 1 Mult.: 1 : 1.000
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V ATMEGA644P-20AUR Microchip Technology 1: Rp131.907,74 3.999On Order	Mfr. Part No. ATMEGA644P-20AUR Mouser Part No 556-ATMEGA644P-20AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	3.999On Order On Order Ship Dates Mfr. No: ATMEGA644P-20AUR Stock: 0 On Order: 1.999 Expected 08/03/2027 2.000 Expected 11/03/2027 Factory Lead Time: 20 Weeks	Cut Tape Rp131.907,74 Rp128.422,00 Reel Rp109.709,08 MouseReel Available	Min.: 1 Mult.: 1 : 2.000
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins ATMEGA64-16AU Microchip Technology 1: Rp217.033,18 899Expected 15/02/2027	Mfr. Part No. ATMEGA64-16AU Mouser Part No 556-ATMEGA64-16AU	Microchip Technology	8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	899Expected 15/02/2027	Rp217.033,18 Rp187.312,66 Rp187.129,20 Rp173.553,16 Rp161.077,88	Min.: 1 Mult.: 1

ATmega644PA 8-bit AVR® Microcontrollers

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