Semiconductors – Mouser Singapore

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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: $9.58
28,220In 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

28,220In Stock

$9.58

$8.66

$7.94

$7.92

View

Min.: 1
Mult.: 1

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

ATMEGA640-16AUR
Microchip Technology
1: $14.57
1,677In 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

1,677In Stock

Cut Tape

$14.57

$12.05

$11.59

Reel

$11.59

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,500

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

ATMEGA644-20AU
Microchip Technology
1: $9.27
3,727In 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

3,727In Stock

$9.27

$8.49

$7.90

$7.88

Min.: 1
Mult.: 1

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

ATMEGA645-16AU
Microchip Technology
1: $10.93
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

$10.93

$9.99

$9.05

Min.: 1
Mult.: 1

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

ATMEGA640V-8AU
Microchip Technology
1: $12.65
838In 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

838In Stock

$12.65

$11.83

$11.82

$11.47

Quote

Min.: 1
Mult.: 1

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

ATMEGA64L-8MUR
Microchip Technology
1: $14.58
3,158In 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

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Datasheet

3,158In Stock

Cut Tape

$14.58

$13.37

$12.11

Reel

$12.09

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

ATMEGA64A-MUR
Microchip Technology
1: $6.81
7,806In 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

7,806In Stock

Cut Tape

$6.81

Reel

$6.38

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

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

ATMEGA649-16AUR
Microchip Technology
1: $13.57
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

$13.57

$12.45

$11.27

Reel

$11.26

Min.: 1
Mult.: 1

Reel: 1,000

8-bit Microcontrollers - MCU 16MHz 105C

ATMEGA64A-AN
Microchip Technology
1: $7.26
1,086In Stock

Mfr. Part No.
ATMEGA64A-AN

Mouser Part No
556-ATMEGA64A-AN

Microchip Technology

8-bit Microcontrollers - MCU 16MHz 105C

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Datasheet

1,086In Stock

$7.26

$6.81

$6.77

$6.51

Quote

Min.: 1
Mult.: 1

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

ATMEGA644-20MUR
Microchip Technology
1: $9.76
6,387In 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

6,387In Stock

Cut Tape

$9.76

$8.94

$8.08

Reel

$8.06

Min.: 1
Mult.: 1

Reel: 4,000

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

ATMEGA644V-10AU
Microchip Technology
1: $9.54
702In 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

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Datasheet

702In Stock

$9.54

$8.76

$7.90

$7.88

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16MHz MLF 105C

ATMEGA64A-MN
Microchip Technology
1: $8.19
100In 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

100In Stock

$8.19

$7.49

$6.77

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: $9.42
134In 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

134In Stock

$9.42

$8.62

$7.81

Min.: 1
Mult.: 1

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

ATMEGA644PV-10AUR
Microchip Technology
1: $9.99
1,350In 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

1,350In Stock

Cut Tape

$9.99

$9.17

$8.31

$8.26

$8.24

Reel

$8.24

Min.: 1
Mult.: 1

Reel: 2,000

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

ATMEGA649-16AU
Microchip Technology
1: $13.30
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

$13.30

$12.01

$11.05

Min.: 1
Mult.: 1

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

ATMEGA649-16MU
Microchip Technology
1: $13.30
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

$13.30

$11.79

$11.05

$11.04

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 16MHz 105C

ATMEGA64A-ANR
Microchip Technology
1: $8.44
1,749In 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

1,749In Stock

Cut Tape

$8.44

$7.71

$6.99

$6.98

Reel

$6.96

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

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

ATMEGA645-16AUR
Microchip Technology
1: $11.18
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

$11.18

$10.24

$9.29

Reel

$9.29

Quote

Min.: 1
Mult.: 1

Reel: 1,000

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

ATMEGA645P-MU
Microchip Technology
1: $9.77
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

$9.77

$8.95

$8.08

$8.06

$8.03

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-AUR
Microchip Technology
1: $7.88
885In Stock

Mfr. Part No.
ATMEGA644A-AUR

Mouser Part No
556-ATMEGA644A-AUR

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Learn More

Datasheet

885In Stock

Cut Tape

$7.88

$7.24

$6.55

Reel

$6.55

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

ATMEGA64L-8AQR
Microchip Technology
1: $14.79
764In 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

764In Stock

Cut Tape

$14.79

$13.57

$12.27

Reel

$12.26

Min.: 1
Mult.: 1

Reel: 1,000

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

ATMEGA645V-8AU
Microchip Technology
1: $10.93
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

$10.93

$9.99

$9.06

$9.05

Min.: 1
Mult.: 1

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

ATMEGA644P-20AUR
Microchip Technology
1: $9.99
2,411In 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

2,411In Stock

Cut Tape

$9.99

$9.17

$8.31

Reel

$8.31

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

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

ATMEGA64A-AU
Microchip Technology
1: $8.01
4,455In 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

4,455In Stock

$8.01

$7.34

$6.64

Min.: 1
Mult.: 1

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

ATMEGA64-16AU
Microchip Technology
1: $14.32
211In Stock
450Expected 17/2/2026

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

211In Stock

450Expected 17/2/2026

$14.32

$13.15

$11.90

Min.: 1
Mult.: 1

ATmega644PA 8-bit AVR® Microcontrollers

Types of Semiconductors

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