Semiconductors – Mouser Ireland

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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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Types of Semiconductors

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Part #

8-bit Microcontrollers - MCU 16 MHz, 85DEG

ATMEGA64M1-AU
Microchip Technology
1: €5.93
26,199In 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

26,199In Stock

€5.93

€5.44

€4.94

Min.: 1
Mult.: 1

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

ATMEGA644PA-MN
Microchip Technology
1: €5.83
366In 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

366In Stock

€5.83

€5.33

€4.83

Min.: 1
Mult.: 1

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

ATMEGA644-20MUR
Microchip Technology
1: €6.04
6,306In 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

6,306In Stock

Cut Tape

€6.04

€5.87

Reel

€5.00

Min.: 1
Mult.: 1

: 4,000

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

ATMEGA640V-8AU
Microchip Technology
1: €8.84
805In Stock

Mfr. Part No.
ATMEGA640V-8AU

Mouser Part No
556-ATMEGA640V8AU

Microchip Technology

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

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Datasheet

805In Stock

€8.84

€8.11

€7.34

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-MU
Microchip Technology
1: €4.76
419In Stock

Mfr. Part No.
ATMEGA644A-MU

Mouser Part No
556-ATMEGA644A-MU

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

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Datasheet

419In Stock

€4.76

€4.35

€3.94

Min.: 1
Mult.: 1

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

ATMEGA649-16AUR
Microchip Technology
1: €8.39
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

€8.39

€8.20

Reel

€6.97

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA644-20AUR
Microchip Technology
1: €6.04
3,863In 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

3,863In Stock

Cut Tape

€6.04

€5.87

Reel

€5.00

Min.: 1
Mult.: 1

: 2,000

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

ATMEGA645-16AU
Microchip Technology
1: €6.76
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

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Datasheet

267In Stock

€6.76

€6.18

€5.61

Min.: 1
Mult.: 1

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

ATMEGA649A-AUR
Microchip Technology
1: €6.20
1,525In 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

1,525In Stock

Cut Tape

€6.20

€6.03

Reel

€5.15

Min.: 1
Mult.: 1

: 1,000

8-bit Microcontrollers - MCU 16MHz 105C

ATMEGA64A-ANR
Microchip Technology
1: €5.22
1,662In 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

1,662In Stock

Cut Tape

€5.22

€5.07

Reel

€4.33

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

8-bit Microcontrollers - MCU 16MHz MLF 105C

ATMEGA64A-MN
Microchip Technology
1: €5.07
98In Stock

Mfr. Part No.
ATMEGA64A-MN

Mouser Part No
556-ATMEGA64A-MN

Microchip Technology

8-bit Microcontrollers - MCU 16MHz MLF 105C

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Datasheet

98In Stock

€5.07

€4.64

€4.20

Min.: 1
Mult.: 1

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

ATMEGA645P-MU
Microchip Technology
1: €6.05
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

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Datasheet

1,300In Stock

€6.05

€5.54

€5.01

Min.: 1
Mult.: 1

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

ATMEGA644PV-10MU
Microchip Technology
1: €6.06
200In Stock

Mfr. Part No.
ATMEGA644PV-10MU

Mouser Part No
556-ATMEGA644PV-10MU

Microchip Technology

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

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Datasheet

200In Stock

€6.06

€5.56

€5.02

Min.: 1
Mult.: 1

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

ATMEGA649-16MU
Microchip Technology
1: €8.23
258In 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

258In Stock

€8.23

€7.55

€6.84

Min.: 1
Mult.: 1

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

ATMEGA645-16AUR
Microchip Technology
1: €6.91
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

Learn More

Datasheet

748In Stock

Cut Tape

€6.91

€6.72

Reel

€5.74

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA64L-8AQR
Microchip Technology
1: €9.15
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

€9.15

€8.93

Reel

€7.59

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA645A-AUR
Microchip Technology
1: €5.66
960In Stock

Mfr. Part No.
ATMEGA645A-AUR

Mouser Part No
556-ATMEGA645A-AUR

Microchip Technology

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

Learn More

Datasheet

960In Stock

Cut Tape

€5.66

€5.52

Reel

€4.70

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA645V-8AU
Microchip Technology
1: €6.76
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

Learn More

Datasheet

176In Stock

€6.76

€6.18

€5.61

Min.: 1
Mult.: 1

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

ATMEGA64A-AUR
Microchip Technology
1: €5.09
2,721In Stock
4,000Expected 02/10/2026

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

Learn More

Datasheet

2,721In Stock

4,000Expected 02/10/2026

Cut Tape

€5.09

€4.96

Reel

€4.23

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: €5.09
6,275In 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

Learn More

Datasheet

6,275In Stock

Cut Tape

€5.09

€4.96

Reel

€4.23

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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

ATMEGA64L-8MUR
Microchip Technology
1: €9.02
2,732In 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

2,732In Stock

Cut Tape

€9.02

€8.80

Reel

€7.49

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins

ATMEGA640-16AU
Microchip Technology
1: €8.84
479In Stock

Mfr. Part No.
ATMEGA640-16AU

Mouser Part No
556-ATMEGA640-16AU

Microchip Technology

8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins

Learn More

Datasheet

479In Stock

€8.84

€8.11

€7.34

Min.: 1
Mult.: 1

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

ATMEGA640-16AUR
Microchip Technology
1: €9.01
679In 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

Learn More

Datasheet

679In Stock

Cut Tape

€9.01

€8.78

Reel

€7.48

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

Learn More

Datasheet

872In Stock

Cut Tape

€9.01

€8.78

Reel

€7.48

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-AU
Microchip Technology
1: €4.76
932In Stock
2,080Expected 28/09/2026

Mfr. Part No.
ATMEGA644A-AU

Mouser Part No
556-ATMEGA644A-AU

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Learn More

Datasheet

932In Stock

2,080Expected 28/09/2026

€4.76

€4.35

€3.94

Min.: 1
Mult.: 1

ATmega644PA 8-bit AVR® Microcontrollers

Types of Semiconductors

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