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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 64KB FLSH 2KB EE 4KB SRAM-16MHZ 5V

ATMEGA64-16AUR
Microchip Technology
1: $14.27
2,000Expected 18/3/2027

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

Datasheet

2,000Expected 18/3/2027

Cut Tape

$14.27

$13.91

Reel

$12.99

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

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

ATMEGA64-16AU
Microchip Technology
1: $14.01
900Expected 29/3/2027

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

Datasheet

900Expected 29/3/2027

$14.01

$12.87

$11.64

Min.: 1
Mult.: 1

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

ATMEGA644P-20AU
Microchip Technology
1: $9.59
1,120On Order

Mfr. Part No.
ATMEGA644P-20AU

Mouser Part No
556-ATMEGA644P-20AU

Microchip Technology

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

Datasheet

1,120On Order

$9.59

Min.: 1
Mult.: 1

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

ATMEGA644-20MU
Microchip Technology
1: $9.33
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA644-20MU

Mouser Part No
556-ATMEGA644-20MU

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$9.33

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-MUR
Microchip Technology
4,000: $6.41
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
ATMEGA644A-MUR

Mouser Part No
556-ATMEGA644A-MUR

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$6.41

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA644P-20AQR
Microchip Technology
2,000: $9.98
Non-Stocked Lead-Time 11 Weeks

Mfr. Part No.
ATMEGA644P-20AQR

Mouser Part No
556-ATMEGA644P-20AQR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 11 Weeks

Reel

$9.98

Min.: 2,000
Mult.: 2,000

: 2,000

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

ATMEGA644P-20MQ
Microchip Technology
360: $9.78
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA644P-20MQ

Mouser Part No
556-ATMEGA644P-20MQ

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$9.78

Min.: 360
Mult.: 360

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

ATMEGA644P-20MQR
Microchip Technology
4,000: $9.98
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA644P-20MQR

Mouser Part No
556-ATMEGA644P-20MQR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$9.98

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA644P-20MUR
Microchip Technology
4,000: $9.78
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA644P-20MUR

Mouser Part No
556-ATMEGA644P-20MUR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$9.78

Min.: 4,000
Mult.: 4,000

: 4,000

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C

ATMEGA644PA-MNR
Microchip Technology
4,000: $9.33
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA644PA-MNR

Mouser Part No
556-ATMEGA644PA-MNR

Microchip Technology

8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$9.33

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA644PA-MUR
Microchip Technology
4,000: $8.91
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA644PA-MUR

Mouser Part No
556-ATMEGA644PA-MUR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$8.91

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA644PV-10MQ
Microchip Technology
360: $9.78
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA644PV-10MQ

Mouser Part No
556-ATMEGA644PV-10MQ

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$9.78

Min.: 360
Mult.: 360

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

ATMEGA644PV-10MQR
Microchip Technology
4,000: $9.98
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA644PV-10MQR

Mouser Part No
556-ATMEGA644PV10MQR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$9.98

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA644PV-10MUR
Microchip Technology
4,000: $9.78
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
ATMEGA644PV-10MUR

Mouser Part No
556-ATMEGA644PV10MUR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$9.78

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA644V-10MUR
Microchip Technology
4,000: $9.55
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA644V-10MUR

Mouser Part No
556-ATMEGA644V-10MUR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$9.55

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA644V-10MU
Microchip Technology
1: $9.33
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
ATMEGA644V-10MU

Mouser Part No
556-ATMEGA644V10MU

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 8 Weeks

$9.33

Min.: 1
Mult.: 1

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

ATMEGA645A-MU
Microchip Technology
260: $8.68
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA645A-MU

Mouser Part No
556-ATMEGA645A-MU

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$8.68

Min.: 260
Mult.: 260

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

ATMEGA645V-8MUR
Microchip Technology
4,000: $10.93
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA645V-8MUR

Mouser Part No
556-ATMEGA645V-8MUR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$10.93

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA645V-8MU
Microchip Technology
260: $10.69
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA645V-8MU

Mouser Part No
556-ATMEGA645V8MU

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

$10.69

Min.: 260
Mult.: 260

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

ATMEGA649-16MUR
Microchip Technology
4,000: $13.27
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
ATMEGA649-16MUR

Mouser Part No
556-ATMEGA649-16MUR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$13.27

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA6490-16AUR
Microchip Technology
1,500: $12.63
Non-Stocked Lead-Time 9 Weeks

Mfr. Part No.
ATMEGA6490-16AUR

Mouser Part No
556-ATMEGA6490-16AUR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 9 Weeks

Reel

$12.63

Quote

Min.: 1,500
Mult.: 1,500

: 1,500

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

ATMEGA649A-MUR
Microchip Technology
4,000: $8.15
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA649A-MUR

Mouser Part No
556-ATMEGA649A-MUR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$8.15

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA649P-MUR
Microchip Technology
4,000: $9.90
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA649P-MUR

Mouser Part No
556-ATMEGA649P-MUR

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Reel

$9.90

Quote

Min.: 4,000
Mult.: 4,000

: 4,000

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

ATMEGA649V-8AU
Microchip Technology
1: $13.02
Lead-Time 12 Weeks

Mfr. Part No.
ATMEGA649V-8AU

Mouser Part No
556-ATMEGA649V8AU

Microchip Technology

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

Datasheet

Lead-Time 12 Weeks

$13.02

Min.: 1
Mult.: 1

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

ATMEGA649V-8MU
Microchip Technology
260: $13.02
Non-Stocked Lead-Time 8 Weeks

Mfr. Part No.
ATMEGA649V-8MU

Mouser Part No
556-ATMEGA649V8MU

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 8 Weeks

$13.02

Min.: 260
Mult.: 260