Semiconductors – Mouser United Kingdom

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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-16MHZ 5V IND

ATMEGA640-16AUR
Microchip Technology
1: £7.87
1,556In 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

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Datasheet

1,556In Stock

Cut Tape

£7.87

£7.12

£7.09

£7.05

View

Reel

£6.53

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

ATMEGA644-20AUR
Microchip Technology
1: £5.27
3,975In 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

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Datasheet

3,975In Stock

Cut Tape

£5.27

£5.12

£4.96

£4.95

View

Reel

£4.37

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU 16 MHz, 85DEG

ATMEGA64M1-AU
Microchip Technology
1: £5.18
27,568In Stock

Mfr. Part No.
ATMEGA64M1-AU

Mouser Part No
556-ATMEGA64M1-AU

Microchip Technology

8-bit Microcontrollers - MCU 16 MHz, 85DEG

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Datasheet

27,568In Stock

£5.18

£4.75

£4.31

£4.30

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16MHz 105C

ATMEGA64A-ANR
Microchip Technology
1: £4.56
1,745In Stock

Mfr. Part No.
ATMEGA64A-ANR

Mouser Part No
556-ATMEGA64A-ANR

Microchip Technology

8-bit Microcontrollers - MCU 16MHz 105C

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Datasheet

1,745In Stock

Cut Tape

£4.56

£4.43

£4.21

Reel

£3.78

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA64A-MUR
Microchip Technology
1: £4.37
7,717In 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

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Datasheet

7,717In Stock

Cut Tape

£4.37

£4.36

£4.09

£3.69

Reel

£3.69

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

ATMEGA644-20AU
Microchip Technology
1: £5.05
1,944In 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

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Datasheet

1,944In Stock

£5.05

£4.98

£4.73

£4.29

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V

ATMEGA645-16AUR
Microchip Technology
1: £6.03
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

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Datasheet

748In Stock

Cut Tape

£6.03

Reel

£6.03

Min.: 1
Mult.: 1

: 1,000

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5

ATMEGA649-16AUR
Microchip Technology
1: £7.32
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

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Datasheet

2,000In Stock

Cut Tape

£7.32

Reel

£7.32

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA644-20MUR
Microchip Technology
1: £5.27
6,346In 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

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Datasheet

6,346In Stock

Cut Tape

£5.27

£4.83

£4.37

Reel

£4.36

Min.: 1
Mult.: 1

: 4,000

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

ATMEGA645-16AU
Microchip Technology
1: £5.90
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

Datasheet

267In Stock

£5.90

Min.: 1
Mult.: 1

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

ATMEGA649A-AUR
Microchip Technology
1: £5.41
1,825In 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

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Datasheet

1,825In Stock

Cut Tape

£5.41

£5.26

£5.10

£5.09

£4.99

Reel

£4.49

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA64L-8MUR
Microchip Technology
1: £7.87
3,130In 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

Datasheet

3,130In Stock

Cut Tape

£7.87

£7.32

£7.31

£7.26

Reel

£7.25

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

ATMEGA644PV-10AUR
Microchip Technology
1: £5.40
1,325In 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

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Datasheet

1,325In Stock

Cut Tape

£5.40

Reel

£5.40

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN

ATMEGA644PA-MN
Microchip Technology
1: £5.09
117In 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

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Datasheet

117In Stock

£5.09

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V

ATMEGA645V-8AU
Microchip Technology
1: £5.90
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

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Datasheet

176In Stock

£5.90

Min.: 1
Mult.: 1

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

ATMEGA640V-8AUR
Microchip Technology
1: £7.87
1,174In 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

Datasheet

1,174In Stock

Cut Tape

£7.87

Reel

£7.87

Min.: 1
Mult.: 1

: 1,500

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

ATMEGA64L-8AQR
Microchip Technology
1: £7.99
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

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Datasheet

747In Stock

Cut Tape

£7.99

£7.80

£7.46

Reel

£6.63

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA649-16MU
Microchip Technology
1: £7.18
260In 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

Datasheet

260In Stock

£7.18

Min.: 1
Mult.: 1

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

ATMEGA649-16AU
Microchip Technology
1: £7.18
86In 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

Learn More

Datasheet

86In Stock

£7.18

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16MHz MLF 105C

ATMEGA64A-MN
Microchip Technology
1: £4.43
98In Stock

Mfr. Part No.
ATMEGA64A-MN

Mouser Part No
556-ATMEGA64A-MN

Microchip Technology

8-bit Microcontrollers - MCU 16MHz MLF 105C

Learn More

Datasheet

98In Stock

£4.43

Min.: 1
Mult.: 1

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

ATMEGA645P-MU
Microchip Technology
1: £5.28
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

Datasheet

1,300In Stock

£5.28

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHZ 5V

ATMEGA64-16AUR
Microchip Technology
1: £7.87
2,147In Stock

Mfr. Part No.
ATMEGA64-16AUR

Mouser Part No
556-ATMEGA64-16AUR

Microchip Technology

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHZ 5V

Learn More

Datasheet

2,147In Stock

Cut Tape

£7.87

Reel

£7.87

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA644P-20AUR
Microchip Technology
1: £5.40
2,377In Stock

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

Learn More

Datasheet

2,377In Stock

Cut Tape

£5.40

Reel

£5.40

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

ATMEGA64A-AU
Microchip Technology
1: £4.32
3,043In Stock

Mfr. Part No.
ATMEGA64A-AU

Mouser Part No
556-ATMEGA64A-AU

Microchip Technology

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

Learn More

Datasheet

3,043In Stock

£4.32

Min.: 1
Mult.: 1

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

ATMEGA64-16AU
Microchip Technology
1: £7.73
412In Stock
540Expected 22/05/2026

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

Learn More

Datasheet

412In Stock

540Expected 22/05/2026

£7.73

Min.: 1
Mult.: 1

ATmega644PA 8-bit AVR® Microcontrollers

Types of Semiconductors

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