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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 20 MHz Ind Temp

ATMEGA644A-AUR
Microchip Technology
1: 36,40 kr.
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

36,40 kr.

35,51 kr.

30,21 kr.

Reel

30,21 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-PU
Microchip Technology
1: 37,82 kr.
492In Stock

Mfr. Part No.
ATMEGA644A-PU

Mouser Part No
556-ATMEGA644A-PU

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Datasheet

492In Stock

37,82 kr.

34,61 kr.

31,41 kr.

Min.: 1
Mult.: 1

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

ATMEGA644P-20MU
Microchip Technology
1: 45,21 kr.
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

45,21 kr.

41,48 kr.

37,45 kr.

Min.: 1
Mult.: 1

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

ATMEGA644P-20PU
Microchip Technology
1: 48,04 kr.
354In 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

354In Stock

48,04 kr.

44,01 kr.

39,91 kr.

Min.: 1
Mult.: 1

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

ATMEGA644PA-AU
Microchip Technology
1: 41,33 kr.
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

41,33 kr.

Min.: 1
Mult.: 1

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

ATMEGA644PA-MU
Microchip Technology
1: 41,33 kr.
871In 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

871In Stock

41,33 kr.

37,90 kr.

34,39 kr.

Min.: 1
Mult.: 1

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

ATMEGA644PA-PU
Microchip Technology
1: 44,01 kr.
665In 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

665In Stock

44,01 kr.

40,21 kr.

36,48 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8

ATMEGA644PV-10AUR
Microchip Technology
1: 46,10 kr.
1.000In Stock

Mfr. Part No.
ATMEGA644PV-10AUR

Mouser Part No
556-ATMEGA644PV10AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8

Datasheet

1.000In Stock

Cut Tape

46,10 kr.

44,91 kr.

38,34 kr.

Reel

38,34 kr.

Min.: 1
Mult.: 1

: 2.000

8-bit Microcontrollers - MCU 16 MHz, 85DEG

ATMEGA64M1-MU
Microchip Technology
1: 44,24 kr.
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

44,24 kr.

40,58 kr.

36,85 kr.

Min.: 1
Mult.: 1

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

ATMEGA644-20AU
Microchip Technology
1: 44,01 kr.
749In 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

749In Stock

44,01 kr.

40,43 kr.

36,63 kr.

Min.: 1
Mult.: 1

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

ATMEGA644PA-AN
Microchip Technology
1: 43,12 kr.
255In Stock
480Expected 26/10/2026

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 26/10/2026

43,12 kr.

39,46 kr.

35,73 kr.

Min.: 1
Mult.: 1

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

ATMEGA644V-10AU
Microchip Technology
1: 44,01 kr.
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

44,01 kr.

40,43 kr.

36,63 kr.

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16MHz 105C

ATMEGA64A-AN
Microchip Technology
1: 37,82 kr.
363In Stock

Mfr. Part No.
ATMEGA64A-AN

Mouser Part No
556-ATMEGA64A-AN

Microchip Technology

8-bit Microcontrollers - MCU 16MHz 105C

Datasheet

363In Stock

37,82 kr.

34,61 kr.

31,33 kr.

Min.: 1
Mult.: 1

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

ATMEGA64A-AU
Microchip Technology
1: 36,93 kr.
1.146In Stock
2.160Expected 19/10/2026

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

1.146In Stock

2.160Expected 19/10/2026

36,93 kr.

33,87 kr.

30,66 kr.

Min.: 1
Mult.: 1

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

ATMEGA64A-AUR
Microchip Technology
1: 37,97 kr.
733In Stock
2.000Expected 29/09/2026

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

733In Stock

2.000Expected 29/09/2026

Cut Tape

37,97 kr.

37,00 kr.

Reel

31,56 kr.

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: 66,10 kr.
223In 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

223In Stock

66,10 kr.

62,07 kr.

60,72 kr.

54,91 kr.

Min.: 1
Mult.: 1

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

ATMEGA64-16MU
Microchip Technology
1: 66,10 kr.
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

66,10 kr.

Min.: 1
Mult.: 1

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

ATMEGA644-20PU
Microchip Technology
1: 46,85 kr.
79In 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

79In Stock

46,85 kr.

Min.: 1
Mult.: 1

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

ATMEGA644P-20AQ
Microchip Technology
1: 46,10 kr.
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

46,10 kr.

44,24 kr.

43,94 kr.

43,79 kr.

View

Min.: 1
Mult.: 1

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

ATMEGA644P-20AUR
Microchip Technology
1: 46,10 kr.
133In Stock
2.000Expected 15/03/2027

Mfr. Part No.
ATMEGA644P-20AUR

Mouser Part No
556-ATMEGA644P-20AUR

Microchip Technology

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

Datasheet

133In Stock

2.000Expected 15/03/2027

Cut Tape

46,10 kr.

42,37 kr.

39,84 kr.

39,39 kr.

View

Reel

38,34 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

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

ATMEGA644PV-10AU
Microchip Technology
1: 45,21 kr.
222In Stock
160Expected 17/05/2027

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

160Expected 17/05/2027

45,21 kr.

Min.: 1
Mult.: 1

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

ATMEGA645A-AU
Microchip Technology
1: 46,18 kr.
49In Stock
540Expected 26/10/2026

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 26/10/2026

46,18 kr.

46,10 kr.

45,13 kr.

37,60 kr.

34,02 kr.

Min.: 1
Mult.: 1

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

ATMEGA649-16AU
Microchip Technology
1: 61,40 kr.
26In Stock

Mfr. Part No.
ATMEGA649-16AU

Mouser Part No
556-ATMEGA649-16AU

Microchip Technology

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

Datasheet

26In Stock

61,40 kr.

60,28 kr.

58,19 kr.

58,04 kr.

View

Min.: 1
Mult.: 1

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

ATMEGA649A-AU
Microchip Technology
1: 45,13 kr.
23In Stock

Mfr. Part No.
ATMEGA649A-AU

Mouser Part No
556-ATMEGA649A-AU

Microchip Technology

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

Datasheet

23In Stock

45,13 kr.

41,63 kr.

41,55 kr.

41,03 kr.

View

Min.: 1
Mult.: 1

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

ATMEGA64L-8AUR
Microchip Technology
1: 67,29 kr.
82In 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

82In Stock

Cut Tape

67,29 kr.

65,65 kr.

Reel

55,88 kr.

MouseReel Available

Min.: 1
Mult.: 1

: 1.000