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 16MHz 105C ATMEGA64A-AN Microchip Technology 1: S/ 22.93 1,177Expected 4/5/2027	Mfr. Part # ATMEGA64A-AN Mouser Part # 556-ATMEGA64A-AN	Microchip Technology	8-bit Microcontrollers - MCU 16MHz 105C Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	1,177Expected 4/5/2027	S/ 22.93 S/ 20.98 S/ 18.96	Min.: 1 Mult.: 1	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	Tray
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC ATMEGA64-16MU Microchip Technology 1: S/ 40.09 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # ATMEGA64-16MU Mouser Part # 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	Non-Stocked Lead-Time 8 Weeks	S/ 40.09 S/ 36.82 S/ 33.32	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	QFN-64	16 MHz	10 bit	53 I/O	4.5 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega64	Tray
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE - 20MHZ 5V ATMEGA644-20MU Microchip Technology 360: S/ 22.23 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	S/ 22.23	Min.: 360 Mult.: 360	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: S/ 18.33 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 S/ 18.33	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 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V ATMEGA644P-20AQR Microchip Technology 2,000: S/ 23.74 Non-Stocked Lead-Time 11 Weeks	Mfr. Part # ATMEGA644P-20AQR Mouser Part # 556-ATMEGA644P-20AQR	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	Non-Stocked Lead-Time 11 Weeks	Reel S/ 23.74	Min.: 2,000 Mult.: 2,000 : 2,000	AVR			TQFP-44	20 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega644P	Reel
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V ATMEGA644P-20MQ Microchip Technology 360: S/ 23.28 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA644P-20MQ Mouser Part # 556-ATMEGA644P-20MQ	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	S/ 23.28	Min.: 360 Mult.: 360	AVR	64 kB	4 kB	VQFN-44	20 MHz		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 EXT,5V ATMEGA644P-20MQR Microchip Technology 4,000: S/ 23.74 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA644P-20MQR Mouser Part # 556-ATMEGA644P-20MQR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHz EXT,5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel S/ 23.74	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega644P	Reel
8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V ATMEGA644P-20MUR Microchip Technology 4,000: S/ 23.28 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA644P-20MUR Mouser Part # 556-ATMEGA644P-20MUR	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	Non-Stocked Lead-Time 12 Weeks	Reel S/ 23.28	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	20 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega644P	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C ATMEGA644PA-MNR Microchip Technology 4,000: S/ 22.23 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 S/ 22.23	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: S/ 21.18 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 S/ 21.18	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, 2KB EE 10MHz 4KB SRAM, 1.8V ATMEGA644PV-10MQ Microchip Technology 360: S/ 23.28 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA644PV-10MQ Mouser Part # 556-ATMEGA644PV-10MQ	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB, 2KB EE 10MHz 4KB SRAM, 1.8V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	S/ 23.28	Min.: 360 Mult.: 360	AVR	64 kB	4 kB	VQFN-44	10 MHz		32 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega644P	Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V ATMEGA644PV-10MQR Microchip Technology 4,000: S/ 23.74 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA644PV-10MQR Mouser Part # 556-ATMEGA644PV10MQR	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 S/ 23.74	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	10 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644P	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V ATMEGA644PV-10MUR Microchip Technology 4,000: S/ 23.28 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # ATMEGA644PV-10MUR Mouser Part # 556-ATMEGA644PV10MUR	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 8 Weeks	Reel S/ 23.28	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-44	10 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega644P	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V ATMEGA644V-10MUR Microchip Technology 4,000: S/ 22.62 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 S/ 22.62	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 360: S/ 22.23 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	S/ 22.23	Min.: 360 Mult.: 360	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 SRAM-20MHz, IND ATMEGA645A-MU Microchip Technology 260: S/ 20.63 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA645A-MU Mouser Part # 556-ATMEGA645A-MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	S/ 20.63	Min.: 260 Mult.: 260	AVR	64 kB	4 kB	VQFN-64	16 MHz	10 bit	54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega645A	Tray
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND ATMEGA645V-8MUR Microchip Technology 4,000: S/ 26.00 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA645V-8MUR Mouser Part # 556-ATMEGA645V-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	Non-Stocked Lead-Time 12 Weeks	Reel S/ 26.00	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-64	8 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega645	Reel
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V ATMEGA645V-8MU Microchip Technology 260: S/ 25.38 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA645V-8MU Mouser Part # 556-ATMEGA645V8MU	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	Non-Stocked Lead-Time 12 Weeks	S/ 25.38	Min.: 260 Mult.: 260	AVR	64 kB	4 kB	MLF-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 64K FLASH 2K EE 4K SRAM ADC LCD ATMEGA649-16MU Microchip Technology 1: S/ 37.25 Lead-Time 12 Weeks	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	Lead-Time 12 Weeks	S/ 37.25 S/ 34.18 S/ 30.95	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 LCD16MHz,5V ATMEGA649-16MUR Microchip Technology 4,000: S/ 31.57 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # ATMEGA649-16MUR Mouser Part # 556-ATMEGA649-16MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel S/ 31.57	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-64	16 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega649	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5V ATMEGA6490-16AUR Microchip Technology 1,500: S/ 36.12 Non-Stocked Lead-Time 9 Weeks	Mfr. Part # ATMEGA6490-16AUR Mouser Part # 556-ATMEGA6490-16AUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5V Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel S/ 36.12	Min.: 1,500 Mult.: 1,500 : 1,500	AVR			TQFP-100	16 MHz			2.7 V	5.5 V	SMD/SMT	8 bit			ATmega6490	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND ATMEGA649A-MUR Microchip Technology 4,000: S/ 23.32 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA649A-MUR Mouser Part # 556-ATMEGA649A-MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel S/ 23.32	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-64	16 MHz			1.8 V	5.5 V	SMD/SMT	8 bit			ATmega649A	Reel
8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD-16MHz ATMEGA649P-MUR Microchip Technology 4,000: S/ 25.38 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA649P-MUR Mouser Part # 556-ATMEGA649P-MUR	Microchip Technology	8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD-16MHz Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel S/ 25.38	Min.: 4,000 Mult.: 4,000 : 4,000	AVR			VQFN-64						SMD/SMT	8 bit			ATmega649P	Reel
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD ATMEGA649V-8AU Microchip Technology 1: S/ 37.25 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # ATMEGA649V-8AU Mouser Part # 556-ATMEGA649V8AU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 12 Weeks	S/ 37.25 S/ 34.18 S/ 30.95	Min.: 1 Mult.: 1	AVR	64 kB	4 kB	TQFP-64	8 MHz	10 bit	54 I/O	2.7 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega649	Tray
8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD ATMEGA649V-8MU Microchip Technology 260: S/ 30.95 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # ATMEGA649V-8MU Mouser Part # 556-ATMEGA649V8MU	Microchip Technology	8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD Learn More about Microchip Technology microchip atmega644pa mcus	Datasheet	Non-Stocked Lead-Time 8 Weeks	S/ 30.95	Min.: 260 Mult.: 260	AVR	64 kB	4 kB	MLF-64	8 MHz		54 I/O	1.8 V	5.5 V	SMD/SMT	8 bit	- 40 C	+ 85 C	ATmega649	Tray

ATmega644PA 8-bit AVR® Microcontrollers

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ATmega644PA 8-bit AVR® Microcontrollers

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