8-bit Microcontrollers - MCU – Mouser South Africa

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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 (USD) 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 16 MHz, 85DEG ATMEGA64M1-AU Microchip Technology 1: $6.90 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	$6.90 $6.33 $5.75	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-32	16 MHz	10 bit	27 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega64M1	Tray
8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN ATMEGA644PA-MN Microchip Technology 1: $6.78 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	$6.78 $6.20 $5.62	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: $7.02 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 $7.02 $6.83 Reel $5.82	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 AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V ATMEGA640V-8AU Microchip Technology 1: $10.28 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	$10.28 $9.43 $8.54	Min.: 1 Mult.: 1	AVR	64 kB	8 kB	TQFP-100	8 MHz	10 bit	86 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega640	Tray
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-MU Microchip Technology 1: $5.54 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	$5.54 $5.06 $4.58	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 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5 ATMEGA649-16AUR Microchip Technology 1: $9.76 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 $9.76 $9.54 Reel $8.11	Min.: 1 Mult.: 1 : 1,000	AVR	64 kB	4 kB	TQFP-64	16 MHz	10 bit	69 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega649	Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND ATMEGA644-20AUR Microchip Technology 1: $7.02 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 $7.02 $6.83 Reel $5.82	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 64kB Flash 2kB EEPROM 54 I/O Pins ATMEGA645-16AU Microchip Technology 1: $7.86 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	$7.86 $7.19 $6.52	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-64	16 MHz	10 bit	54 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega645	Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND ATMEGA649A-AUR Microchip Technology 1: $7.21 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 $7.21 $7.01 Reel $5.99	Min.: 1 Mult.: 1 : 1,000	AVR			TQFP-64	16 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega649A	Reel, Cut Tape
8-bit Microcontrollers - MCU 16MHz 105C ATMEGA64A-ANR Microchip Technology 1: $6.07 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 $6.07 $5.90 Reel $5.04 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	AVR	64 kB	4 kB	TQFP-64	16 MHz	10 bit	53 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega64A	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 16MHz MLF 105C ATMEGA64A-MN Microchip Technology 1: $5.90 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	$5.90 $5.40 $4.88	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	QFN-64	16 MHz	10 bit	53 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 105 C	ATmega64A	Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND ATMEGA645P-MU Microchip Technology 1: $7.04 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	$7.04 $6.44 $5.83	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	QFN-64	16 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega645P	Tray
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ATMEGA644PV-10MU Microchip Technology 1: $7.05 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	$7.05 $6.47 $5.84	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	VQFN-44	10 MHz	10 bit	32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644P	Tray
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD ATMEGA649-16MU Microchip Technology 1: $9.57 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	$9.57 $8.78 $7.95	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	MLF-64	16 MHz	10 bit	69 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega649	Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V ATMEGA645-16AUR Microchip Technology 1: $8.04 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 $8.04 $7.82 Reel $6.68	Min.: 1 Mult.: 1 : 1,000	AVR	64 kB	4 kB	TQFP-64	16 MHz	10 bit	54 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega645	Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, EXT ATMEGA64L-8AQR Microchip Technology 1: $10.64 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 $10.64 $10.39 Reel $8.83	Min.: 1 Mult.: 1 : 1,000	AVR	64 kB	4 kB	TQFP-64	8 MHz	10 bit	53 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega64	Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND ATMEGA645A-AUR Microchip Technology 1: $6.58 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 $6.58 $6.42 Reel $5.47	Min.: 1 Mult.: 1 : 1,000	AVR			TQFP-64	16 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega645A	Reel, Cut Tape
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V ATMEGA645V-8AU Microchip Technology 1: $7.86 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	$7.86 $7.19 $6.52	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-64	8 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega645	Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz IND ATMEGA64A-AUR Microchip Technology 1: $5.92 2,721In Stock 4,000Expected 2026/10/02	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 2026/10/02	Cut Tape $5.92 $5.77 Reel $4.92 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	AVR	64 kB	4 kB	TQFP-64	16 MHz	10 bit	53 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega64A	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND ATMEGA64A-MUR Microchip Technology 1: $5.92 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 $5.92 $5.77 Reel $4.92 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	AVR	64 kB	4 kB	VQFN-64	16 MHz	10 bit	53 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega64A	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND ATMEGA64L-8MUR Microchip Technology 1: $10.49 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 $10.49 $10.23 Reel $8.71 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	AVR	64 kB	4 kB	MLF-64	8 MHz	10 bit	53 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega64	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins ATMEGA640-16AU Microchip Technology 1: $10.28 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	$10.28 $9.43 $8.54	Min.: 1 Mult.: 1	AVR	64 kB	8 kB	TQFP-100	16 MHz	10 bit	86 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega640	Tray
8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND ATMEGA640-16AUR Microchip Technology 1: $10.48 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 $10.48 $10.21 Reel $8.70 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	AVR	64 kB	8 kB	TQFP-100	16 MHz	10 bit	86 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega640	Reel, Cut Tape, MouseReel
8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V IND ATMEGA640V-8AUR Microchip Technology 1: $10.48 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 $10.48 $10.21 Reel $8.70	Min.: 1 Mult.: 1 : 1,500	AVR			TQFP-100	8 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega640	Reel, Cut Tape
8-bit Microcontrollers - MCU 20 MHz Ind Temp ATMEGA644A-AU Microchip Technology 1: $5.54 932In Stock 2,080Expected 2026/09/28	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 2026/09/28	$5.54 $5.06 $4.58	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

ATmega644PA 8-bit AVR® Microcontrollers

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