8-bit Microcontrollers - MCU

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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 (PEN) 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: S/ 26.82 25,000In Stock	Mfr. Part # ATMEGA64M1-AU Mouser Part # 556-ATMEGA64M1-AU	Microchip Technology	8-bit Microcontrollers - MCU 16 MHz, 85DEG Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	25,000In Stock	S/ 26.82 S/ 24.37 S/ 22.34 S/ 22.19	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 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND ATMEGA644-20MUR Microchip Technology 1: S/ 27.33 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 S/ 27.33 S/ 26.59 S/ 25.11 Reel S/ 22.54	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: S/ 36.67 805In Stock	Mfr. Part # ATMEGA640V-8AU Mouser Part # 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	S/ 36.67 S/ 36.63 S/ 34.02 S/ 33.98 View S/ 33.09 S/ 32.15 Quote	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: S/ 21.53 379In 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	379In Stock	S/ 21.53 S/ 19.70 S/ 17.83 S/ 17.79 S/ 17.75	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 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN ATMEGA644PA-MN Microchip Technology 1: S/ 26.39 365In 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	365In Stock	S/ 26.39 S/ 24.13 S/ 21.88	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 64kB Flash 2kB EEPROM 54 I/O Pins ATMEGA645-16AU Microchip Technology 1: S/ 30.60 266In Stock	Mfr. Part # ATMEGA645-16AU Mouser Part # 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	266In Stock	S/ 30.60 S/ 27.99 S/ 25.38	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: S/ 28.06 1,525In Stock	Mfr. Part # ATMEGA649A-AUR Mouser Part # 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 S/ 28.06 S/ 27.29 S/ 25.61 Reel S/ 23.16	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 AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5 ATMEGA649-16AUR Microchip Technology 1: S/ 37.99 2,000In Stock	Mfr. Part # ATMEGA649-16AUR Mouser Part # 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 S/ 37.99 S/ 37.13 S/ 34.41 Reel S/ 31.30 Quote Quote	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 FLASH 2K EE 4K SRAM ATMEGA644PV-10MU Microchip Technology 1: S/ 27.44 200In Stock	Mfr. Part # ATMEGA644PV-10MU Mouser Part # 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	S/ 27.44 S/ 25.15 S/ 22.73 S/ 22.69 View S/ 22.65 Quote	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: S/ 37.25 258In Stock	Mfr. Part # ATMEGA649-16MU Mouser Part # 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	S/ 37.25 S/ 34.18 S/ 30.95 S/ 30.75 Quote Quote	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 16MHz MLF 105C ATMEGA64A-MN Microchip Technology 1: S/ 22.93 98In Stock	Mfr. Part # ATMEGA64A-MN Mouser Part # 556-ATMEGA64A-MN	Microchip Technology	8-bit Microcontrollers - MCU 16MHz MLF 105C Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	98In Stock	S/ 22.93 S/ 20.98 S/ 18.96	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: S/ 27.36 1,300In Stock	Mfr. Part # ATMEGA645P-MU Mouser Part # 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	S/ 27.36 S/ 25.07 S/ 22.46 S/ 22.30 S/ 22.23	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 64KB FLSH 2KB EE 4KB SRAM-8MHz, EXT ATMEGA64L-8AQR Microchip Technology 1: S/ 41.42 707In Stock	Mfr. Part # ATMEGA64L-8AQR Mouser Part # 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	707In Stock	Cut Tape S/ 41.42 S/ 40.40 S/ 38.30 Reel S/ 34.37 Quote Quote	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: S/ 25.61 960In Stock	Mfr. Part # ATMEGA645A-AUR Mouser Part # 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 S/ 25.61 S/ 24.99 S/ 24.95 S/ 24.91 Reel S/ 21.25 View S/ 23.47 S/ 21.21	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 16MHz 105C ATMEGA64A-ANR Microchip Technology 1: S/ 23.63 1,662In Stock	Mfr. Part # ATMEGA64A-ANR Mouser Part # 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 S/ 23.63 S/ 22.97 S/ 21.56 Reel S/ 19.46 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 AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V ATMEGA645-16AUR Microchip Technology 1: S/ 31.30 748In Stock	Mfr. Part # ATMEGA645-16AUR Mouser Part # 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 S/ 31.30 S/ 31.26 S/ 30.40 S/ 28.18 Reel S/ 27.52 Quote Quote	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 64K FLASH 2K EE 4K SRAM ADC 1.8V ATMEGA645V-8AU Microchip Technology 1: S/ 30.60 176In Stock	Mfr. Part # ATMEGA645V-8AU Mouser Part # 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	S/ 30.60 S/ 27.99 S/ 25.38	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-MUR Microchip Technology 1: S/ 23.04 6,275In Stock	Mfr. Part # ATMEGA64A-MUR Mouser Part # 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 S/ 23.04 S/ 22.46 Reel S/ 19.15 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: S/ 40.83 2,732In Stock	Mfr. Part # ATMEGA64L-8MUR Mouser Part # 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 S/ 40.83 S/ 39.82 Reel S/ 33.90 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 AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND ATMEGA640-16AUR Microchip Technology 1: S/ 40.79 669In Stock	Mfr. Part # ATMEGA640-16AUR Mouser Part # 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	669In Stock	Cut Tape S/ 40.79 S/ 37.37 S/ 35.27 S/ 35.11 View Reel S/ 33.86 S/ 35.03 S/ 34.99 S/ 33.86 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: S/ 40.79 872In Stock	Mfr. Part # ATMEGA640V-8AUR Mouser Part # 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 S/ 40.79 S/ 39.74 Reel S/ 33.86	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: S/ 21.53 2,428In Stock	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	2,428In Stock	S/ 21.53 S/ 19.70 S/ 17.83	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: S/ 22.07 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 S/ 22.07 S/ 21.56 Reel S/ 18.33 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 AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V ATMEGA644P-20MU Microchip Technology 1: S/ 27.44 586In Stock	Mfr. Part # ATMEGA644P-20MU Mouser Part # 556-ATMEGA644P-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	586In Stock	S/ 27.44 S/ 25.15 S/ 22.73	Min.: 1 Mult.: 1	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	ATmega644P	Tray
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V ATMEGA644P-20PU Microchip Technology 1: S/ 29.15 278In Stock	Mfr. Part # ATMEGA644P-20PU Mouser Part # 556-ATMEGA644P-20PU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	278In Stock	S/ 29.15 S/ 26.70 S/ 24.21	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	ATmega644P	Tube

ATmega644PA 8-bit AVR® Microcontrollers

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