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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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Part #

8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V IND

ATMEGA640V-8AUR
Microchip Technology
1: 9,01 €
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

Datasheet

872In Stock

Cut Tape

9,01 €

Reel

9,01 €

Min.: 1
Mult.: 1

: 1.500

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-AU
Microchip Technology
1: 4,76 €
1.104In Stock

Mfr. Part No.
ATMEGA644A-AU

Mouser Part No
556-ATMEGA644A-AU

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Datasheet

1.104In Stock

4,76 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-AUR
Microchip Technology
1: 4,88 €
558In Stock

Mfr. Part No.
ATMEGA644A-AUR

Mouser Part No
556-ATMEGA644A-AUR

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Datasheet

558In Stock

Cut Tape

4,88 €

Reel

4,88 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-PU
Microchip Technology
1: 5,07 €
495In Stock

Mfr. Part No.
ATMEGA644A-PU

Mouser Part No
556-ATMEGA644A-PU

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Datasheet

495In Stock

5,07 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V

ATMEGA644P-20MU
Microchip Technology
1: 6,06 €
696In Stock

Mfr. Part No.
ATMEGA644P-20MU

Mouser Part No
556-ATMEGA644P-20MU

Microchip Technology

8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V

Datasheet

696In Stock

6,06 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V

ATMEGA644P-20PU
Microchip Technology
1: 6,44 €
355In Stock

Mfr. Part No.
ATMEGA644P-20PU

Mouser Part No
556-ATMEGA644P-20PU

Microchip Technology

8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V

Datasheet

355In Stock

6,44 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins

ATMEGA644PA-AU
Microchip Technology
1: 5,54 €
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

Datasheet

686In Stock

5,54 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND

ATMEGA644PA-AUR
Microchip Technology
1: 5,68 €
1.932In Stock

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

Datasheet

1.932In Stock

Cut Tape

5,68 €

Reel

5,68 €

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins

ATMEGA644PA-MU
Microchip Technology
1: 5,54 €
915In 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

Datasheet

915In Stock

5,54 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins

ATMEGA644PA-PU
Microchip Technology
1: 5,90 €
667In 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

Datasheet

667In Stock

5,90 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16 MHz, 85DEG

ATMEGA64M1-MU
Microchip Technology
1: 5,93 €
1.253In Stock

Mfr. Part No.
ATMEGA64M1-MU

Mouser Part No
556-ATMEGA64M1-MU

Microchip Technology

8-bit Microcontrollers - MCU 16 MHz, 85DEG

Datasheet

1.253In Stock

5,93 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins

ATMEGA64-16AU
Microchip Technology
1: 8,86 €
801In Stock

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

Datasheet

801In Stock

8,86 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins

ATMEGA644-20AU
Microchip Technology
1: 5,90 €
1.701In Stock

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

Datasheet

1.701In Stock

5,90 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP

ATMEGA644PA-AN
Microchip Technology
1: 5,78 €
255In Stock
480Expected 10/26/2026

Mfr. Part No.
ATMEGA644PA-AN

Mouser Part No
556-ATMEGA644PA-AN

Microchip Technology

8-bit Microcontrollers - MCU 16 MHz, 105C, Green, TQFP

Datasheet

255In Stock

480Expected 10/26/2026

5,78 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins

ATMEGA644V-10AU
Microchip Technology
1: 5,90 €
582In 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

Datasheet

582In Stock

5,90 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16MHz 105C

ATMEGA64A-AN
Microchip Technology
1: 5,07 €
363In Stock

Mfr. Part No.
ATMEGA64A-AN

Mouser Part No
556-ATMEGA64A-AN

Microchip Technology

8-bit Microcontrollers - MCU 16MHz 105C

Datasheet

363In Stock

5,07 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64K Flsh 2K EEPROM 4K SRAM 16MHz

ATMEGA64A-AU
Microchip Technology
1: 4,95 €
1.219In Stock
2.160Expected 10/19/2026

Mfr. Part No.
ATMEGA64A-AU

Mouser Part No
556-ATMEGA64A-AU

Microchip Technology

8-bit Microcontrollers - MCU 64K Flsh 2K EEPROM 4K SRAM 16MHz

Datasheet

1.219In Stock

2.160Expected 10/19/2026

4,95 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz IND

ATMEGA64A-AUR
Microchip Technology
1: 5,09 €
2.000In Stock

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

Datasheet

2.000In Stock

Cut Tape

5,09 €

Reel

5,09 €

MouseReel Available

Min.: 1
Mult.: 1

: 1.000

8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins

ATMEGA64L-8AU
Microchip Technology
1: 8,86 €
227In Stock

Mfr. Part No.
ATMEGA64L-8AU

Mouser Part No
556-ATMEGA64L-8AU

Microchip Technology

8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins

Datasheet

227In Stock

8,86 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND

ATMEGA64L-8AUR
Microchip Technology
1: 9,02 €
682In Stock

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

Datasheet

682In Stock

Cut Tape

9,02 €

Reel

9,02 €

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: 8,86 €
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

Datasheet

25In Stock

8,86 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins

ATMEGA644-20PU
Microchip Technology
1: 6,28 €
119In Stock

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

Datasheet

119In Stock

6,28 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V

ATMEGA644P-20AQ
Microchip Technology
1: 6,18 €
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

Datasheet

47In Stock

6,18 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC-10MHZ

ATMEGA644PV-10AU
Microchip Technology
1: 6,06 €
222In Stock

Mfr. Part No.
ATMEGA644PV-10AU

Mouser Part No
556-ATMEGA644PV10AU

Microchip Technology

8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC-10MHZ

Datasheet

222In Stock

6,06 €

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND

ATMEGA645A-AU
Microchip Technology
1: 5,49 €
49In Stock
540Expected 10/26/2026

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

Datasheet

49In Stock

540Expected 10/26/2026

5,49 €

Min.: 1
Mult.: 1