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ATmega644 Series 8-bit Microcontrollers - MCU

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (KRW) Filter the results in the table by unit price based on your quantity.	Qty.	Core	Program Memory Size	Data RAM Size	Package / Case	Maximum Clock Frequency	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Mounting Style	Data Bus Width	Minimum Operating Temperature	Maximum Operating Temperature	Series	Packaging
8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN ATMEGA644PA-MN Microchip Technology 1: ₩10,576.8 366In Stock	Mfr. Part # ATMEGA644PA-MN Mouser Part # 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	₩10,576.8 ₩9,672 ₩8,767.2	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	VQFN-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND ATMEGA644-20MUR Microchip Technology 1: ₩10,951.2 6,306In Stock	Mfr. Part # ATMEGA644-20MUR Mouser Part # 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 ₩10,951.2 ₩10,654.8 Reel ₩9,063.6	Min.: 1 Mult.: 1 : 4,000	AVR	64 kB	4 kB	VQFN-44	20 MHz	10 bit	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Reel, Cut Tape
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-MU Microchip Technology 1: ₩8,626.8 419In Stock	Mfr. Part # ATMEGA644A-MU Mouser Part # 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	₩8,626.8 ₩7,893.6 ₩7,144.8	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	VQFN-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND ATMEGA644-20AUR Microchip Technology 1: ₩10,951.2 3,863In Stock	Mfr. Part # ATMEGA644-20AUR Mouser Part # 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 ₩10,951.2 ₩10,654.8 Reel ₩9,063.6	Min.: 1 Mult.: 1 : 2,000	AVR			TQFP-44	20 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega644	Reel, Cut Tape
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-AU Microchip Technology 1: ₩8,626.8 932In Stock 2,080Expected 9/28/2026	Mfr. Part # ATMEGA644A-AU Mouser Part # 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	₩8,626.8 ₩7,893.6 ₩7,144.8	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-AUR Microchip Technology 1: ₩8,845.2 558In Stock	Mfr. Part # ATMEGA644A-AUR Mouser Part # 556-ATMEGA644A-AUR	Microchip Technology	8-bit Microcontrollers - MCU 20 MHz Ind Temp Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	558In Stock	Cut Tape ₩8,845.2 ₩8,642.4 Reel ₩7,347.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AVR	64 kB	4 kB	TQFP-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-AU Microchip Technology 1: ₩10,046.4 686In Stock	Mfr. Part # ATMEGA644PA-AU Mouser Part # 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	₩10,046.4 ₩9,219.6 ₩8,361.6	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-PU Microchip Technology 1: ₩10,701.6 650In Stock	Mfr. Part # ATMEGA644PA-PU Mouser Part # 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	650In Stock	₩10,701.6 ₩9,781.2 ₩8,876.4	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	PDIP-40	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega644	Tube
8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP ATMEGA644PA-AN Microchip Technology 1: ₩10,483.2 255In Stock 480Expected 10/5/2026	Mfr. Part # ATMEGA644PA-AN Mouser Part # 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	255In Stock 480Expected 10/5/2026	₩10,483.2 ₩9,594 ₩8,689.2	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644V-10AU Microchip Technology 1: ₩10,701.6 432In Stock	Mfr. Part # ATMEGA644V-10AU Mouser Part # 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	₩10,701.6 ₩9,828 ₩8,907.6	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-44	10 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644-20PU Microchip Technology 1: ₩11,388 79In Stock	Mfr. Part # ATMEGA644-20PU Mouser Part # 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	79In Stock	₩11,388 ₩10,420.8 ₩9,438	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	PDIP-40	20 MHz	10 bit	32 I/O	2.7 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega644	Tube
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-PU Microchip Technology 1: ₩9,204 12In Stock 390Expected 11/16/2026	Mfr. Part # ATMEGA644A-PU Mouser Part # 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 11/16/2026	₩9,204 ₩8,424 ₩7,628.4	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	PDIP-40	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	Through Hole	8 bit	- 40 C	+ 85 C	ATmega644	Tube
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND ATMEGA644PA-AUR Microchip Technology 1: ₩10,296 95In Stock 4,000On Order	Mfr. Part # ATMEGA644PA-AUR Mouser Part # 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	95In Stock 4,000On Order	Cut Tape ₩10,296 ₩10,062 Reel ₩8,548.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	AVR	64 kB	4 kB	TQFP-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins ATMEGA644PA-MU Microchip Technology 1: ₩10,046.4 71In Stock 720Expected 9/29/2026	Mfr. Part # ATMEGA644PA-MU Mouser Part # 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	71In Stock 720Expected 9/29/2026	₩10,046.4 ₩9,219.6 ₩8,361.6	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	QFN-44	20 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins ATMEGA644-20AU Microchip Technology 1: ₩10,701.6 189In Stock 2,400On Order	Mfr. Part # ATMEGA644-20AU Mouser Part # 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	189In Stock 2,400On Order On Order Ship Dates Mfr. #: ATMEGA644-20AU Stock: 189 Can Ship Immediately On Order: 960 Expected 1/11/2027 1,440 Expected 3/30/2027 Factory Lead-Time: 20 Weeks	₩10,701.6 ₩9,828 ₩8,907.6	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-44	20 MHz	10 bit	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE - 20MHZ 5V ATMEGA644-20MU Microchip Technology 1: ₩10,701.6 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA644-20MU Mouser Part # 556-ATMEGA644-20MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE - 20MHZ 5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	₩10,701.6 ₩9,828 ₩8,907.6	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	MLF-44	20 MHz	10 bit	32 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-MUR Microchip Technology 4,000: ₩7,347.6 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # ATMEGA644A-MUR Mouser Part # 556-ATMEGA644A-MUR	Microchip Technology	8-bit Microcontrollers - MCU 20 MHz Ind Temp Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel ₩7,347.6	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C ATMEGA644PA-MNR Microchip Technology 4,000: ₩8,907.6 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA644PA-MNR Mouser Part # 556-ATMEGA644PA-MNR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ₩8,907.6	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND ATMEGA644PA-MUR Microchip Technology 4,000: ₩8,486.4 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA644PA-MUR Mouser Part # 556-ATMEGA644PA-MUR	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	Non-Stocked Lead-Time 12 Weeks	Reel ₩8,486.4	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V ATMEGA644V-10MUR Microchip Technology 4,000: ₩9,063.6 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA644V-10MUR Mouser Part # 556-ATMEGA644V-10MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel ₩9,063.6	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	10 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644	Reel
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC-10MHZ ATMEGA644V-10MU Microchip Technology 1: ₩10,701.6 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # ATMEGA644V-10MU Mouser Part # 556-ATMEGA644V10MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC-10MHZ Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	₩10,701.6 ₩9,828 ₩8,907.6	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	MLF-44	10 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C ATMEGA644PA-ANR Microchip Technology 2,000: ₩8,907.6 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # ATMEGA644PA-ANR Mouser Part # 556-ATMEGA644PA-ANR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C Learn More about Microchip Technology microchip megaavr 8 bit mcus	Datasheet	Non-Stocked Lead-Time 19 Weeks	Reel ₩8,907.6	Min.: 2,000 Mult.: 2,000 : 2,000	AVR			TQFP-44	20 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8 ATMEGA644V-10AUR Microchip Technology 2,000: ₩9,063.6 Non-Stocked Lead-Time 19 Weeks	Mfr. Part # ATMEGA644V-10AUR Mouser Part # 556-ATMEGA644V-10AUR	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	Non-Stocked Lead-Time 19 Weeks	Reel ₩9,063.6	Min.: 2,000 Mult.: 2,000 : 2,000	AVR	64 kB	4 kB	TQFP-44	10 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644	Reel

ATmega644 Series 8-bit Microcontrollers - MCU

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