Semiconductors – Mouser Mexico

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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 16 MHz, 85DEG

ATMEGA64M1-AU
Microchip Technology
1: $8.96
26,225In Stock

Mfr. Part #
ATMEGA64M1-AU

Mouser Part #
556-ATMEGA64M1-AU

Microchip Technology

8-bit Microcontrollers - MCU 16 MHz, 85DEG

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Datasheet

26,225In Stock

$8.96

$8.11

$7.46

$7.41

Min.: 1
Mult.: 1

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

ATMEGA644PA-AUR
Microchip Technology
1: $8.58
2,495In Stock

Mfr. Part #
ATMEGA644PA-AUR

Mouser Part #
556-ATMEGA644PA-AUR

Microchip Technology

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

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Datasheet

2,495In Stock

Cut Tape

$8.58

$7.94

$7.87

$7.83

View

Reel

$7.12

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

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

ATMEGA644-20AUR
Microchip Technology
1: $9.13
3,863In Stock

Mfr. Part #
ATMEGA644-20AUR

Mouser Part #
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

$9.13

$8.87

$8.40

$8.39

$7.53

Reel

$7.53

Min.: 1
Mult.: 1

: 2,000

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-MU
Microchip Technology
1: $7.19
431In Stock

Mfr. Part #
ATMEGA644A-MU

Mouser Part #
556-ATMEGA644A-MU

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

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Datasheet

431In Stock

$7.19

$6.58

$5.95

Quote

Min.: 1
Mult.: 1

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

ATMEGA640-16AUR
Microchip Technology
1: $13.62
1,383In Stock

Mfr. Part #
ATMEGA640-16AUR

Mouser Part #
556-ATMEGA640-16AUR

Microchip Technology

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

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Datasheet

1,383In Stock

Cut Tape

$13.62

$12.55

$12.42

$12.32

View

Reel

$11.27

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

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

ATMEGA644-20MUR
Microchip Technology
1: $9.13
6,306In Stock

Mfr. Part #
ATMEGA644-20MUR

Mouser Part #
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

$9.13

$8.87

$8.40

$8.39

View

Reel

$7.54

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: $12.23
805In Stock

Mfr. Part #
ATMEGA640V-8AU

Mouser Part #
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

$12.23

$11.75

$11.09

Min.: 1
Mult.: 1

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

ATMEGA649-16AUR
Microchip Technology
1: $12.69
2,000In Stock

Mfr. Part #
ATMEGA649-16AUR

Mouser Part #
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

$12.69

$11.35

$11.32

$11.10

Reel

$11.09

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA645-16AU
Microchip Technology
1: $10.22
267In Stock

Mfr. Part #
ATMEGA645-16AU

Mouser Part #
556-ATMEGA645-16AU

Microchip Technology

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

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Datasheet

267In Stock

$10.22

$9.35

$8.48

$8.46

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16MHz 105C

ATMEGA64A-ANR
Microchip Technology
1: $7.89
1,662In Stock

Mfr. Part #
ATMEGA64A-ANR

Mouser Part #
556-ATMEGA64A-ANR

Microchip Technology

8-bit Microcontrollers - MCU 16MHz 105C

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Datasheet

1,662In Stock

Cut Tape

$7.89

$7.66

$6.96

Reel

$6.54

Quote

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

8-bit Microcontrollers - MCU 16MHz MLF 105C

ATMEGA64A-MN
Microchip Technology
1: $7.66
98In Stock

Mfr. Part #
ATMEGA64A-MN

Mouser Part #
556-ATMEGA64A-MN

Microchip Technology

8-bit Microcontrollers - MCU 16MHz MLF 105C

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Datasheet

98In Stock

$7.66

$7.29

$7.23

$7.20

View

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: $9.52
6In Stock
360Expected 9/21/2026

Mfr. Part #
ATMEGA644PA-MN

Mouser Part #
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

6In Stock

360Expected 9/21/2026

$9.52

$8.81

$8.23

$8.22

Min.: 1
Mult.: 1

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

ATMEGA645A-AUR
Microchip Technology
1: $8.55
960In Stock

Mfr. Part #
ATMEGA645A-AUR

Mouser Part #
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

$8.55

$8.33

$7.88

$7.57

Reel

$7.09

Quote

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA645P-MU
Microchip Technology
1: $9.14
1,300In Stock

Mfr. Part #
ATMEGA645P-MU

Mouser Part #
556-ATMEGA645P-MU

Microchip Technology

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

Learn More

Datasheet

1,300In Stock

$9.14

$8.37

$7.58

$7.54

Min.: 1
Mult.: 1

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

ATMEGA649-16MU
Microchip Technology
1: $12.44
258In Stock

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

Datasheet

258In Stock

$12.44

$11.41

$10.34

$10.32

Min.: 1
Mult.: 1

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

ATMEGA644PV-10MU
Microchip Technology
1: $9.17
200In Stock

Mfr. Part #
ATMEGA644PV-10MU

Mouser Part #
556-ATMEGA644PV-10MU

Microchip Technology

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

Learn More

Datasheet

200In Stock

$9.17

$8.40

$7.59

$7.58

Min.: 1
Mult.: 1

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

ATMEGA645-16AUR
Microchip Technology
1: $10.45
748In Stock

Mfr. Part #
ATMEGA645-16AUR

Mouser Part #
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

$10.45

$9.37

$9.36

Reel

$9.33

Quote

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: $10.22
176In Stock

Mfr. Part #
ATMEGA645V-8AU

Mouser Part #
556-ATMEGA645V8AU

Microchip Technology

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

Learn More

Datasheet

176In Stock

$10.22

$9.54

$9.52

Quote

Min.: 1
Mult.: 1

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

ATMEGA64L-8AQR
Microchip Technology
1: $13.83
747In Stock

Mfr. Part #
ATMEGA64L-8AQR

Mouser Part #
556-ATMEGA64L-8AQR

Microchip Technology

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

Learn More

Datasheet

747In Stock

Cut Tape

$13.83

$13.48

$13.47

$13.46

$12.42

Reel

$11.47

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA64A-MUR
Microchip Technology
1: $7.70
6,275In Stock

Mfr. Part #
ATMEGA64A-MUR

Mouser Part #
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

$7.70

$7.50

Reel

$6.40

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: $13.65
2,732In Stock

Mfr. Part #
ATMEGA64L-8MUR

Mouser Part #
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

$13.65

$13.64

Reel

$12.87

Quote

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: $13.36
479In Stock

Mfr. Part #
ATMEGA640-16AU

Mouser Part #
556-ATMEGA640-16AU

Microchip Technology

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

Learn More

Datasheet

479In Stock

$13.36

Min.: 1
Mult.: 1

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

ATMEGA640V-8AUR
Microchip Technology
1: $13.62
872In Stock

Mfr. Part #
ATMEGA640V-8AUR

Mouser Part #
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

$13.62

$13.27

$11.31

Reel

$11.31

Min.: 1
Mult.: 1

: 1,500

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-AU
Microchip Technology
1: $7.19
953In Stock
2,080Expected 10/1/2026

Mfr. Part #
ATMEGA644A-AU

Mouser Part #
556-ATMEGA644A-AU

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Learn More

Datasheet

953In Stock

2,080Expected 10/1/2026

$7.19

$6.58

$5.95

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-AUR
Microchip Technology
1: $7.37
558In Stock

Mfr. Part #
ATMEGA644A-AUR

Mouser Part #
556-ATMEGA644A-AUR

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Learn More

Datasheet

558In Stock

Cut Tape

$7.37

$7.20

$6.12

Reel

$6.12

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

ATmega644PA 8-bit AVR® Microcontrollers

Types of Semiconductors

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