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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 FLASH 2K EE 4K SRAM ADC LCD

ATMEGA649-16AU
Microchip Technology
1: $10.065
26In Stock

Mfr. Part #
ATMEGA649-16AU

Mouser Part #
556-ATMEGA649-16AU

Microchip Technology

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

Datasheet

26In Stock

$10.065

Min.: 1
Mult.: 1

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

ATMEGA649A-AU
Microchip Technology
1: $7.393
23In Stock

Mfr. Part #
ATMEGA649A-AU

Mouser Part #
556-ATMEGA649A-AU

Microchip Technology

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

Datasheet

23In Stock

$7.393

Min.: 1
Mult.: 1

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

ATMEGA644P-20AU
Microchip Technology
1: $7.414
1.120On Order

Mfr. Part #
ATMEGA644P-20AU

Mouser Part #
556-ATMEGA644P-20AU

Microchip Technology

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

Datasheet

1.120On Order

$7.414

Min.: 1
Mult.: 1

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

ATMEGA644-20MU
Microchip Technology
1: $7.215
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA644-20MU

Mouser Part #
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

$7.215

Min.: 1
Mult.: 1

8-bit Microcontrollers - MCU 20 MHz Ind Temp

ATMEGA644A-MUR
Microchip Technology
4.000: $5.963
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
ATMEGA644A-MUR

Mouser Part #
556-ATMEGA644A-MUR

Microchip Technology

8-bit Microcontrollers - MCU 20 MHz Ind Temp

Datasheet

Non-Stocked Lead-Time 8 Weeks

Reel

$5.963

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: $7.719
Non-Stocked Lead-Time 11 Weeks

Mfr. Part #
ATMEGA644P-20AQR

Mouser Part #
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

$7.719

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: $7.562
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA644P-20MQ

Mouser Part #
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

$7.562

Min.: 360
Mult.: 360

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

ATMEGA644P-20MQR
Microchip Technology
4.000: $7.719
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA644P-20MQR

Mouser Part #
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

$7.719

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: $7.562
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA644P-20MUR

Mouser Part #
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

$7.562

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: $7.215
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA644PA-MNR

Mouser Part #
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

$7.215

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: $6.889
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA644PA-MUR

Mouser Part #
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

$6.889

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: $7.562
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA644PV-10MQ

Mouser Part #
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

$7.562

Min.: 360
Mult.: 360

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

ATMEGA644PV-10MQR
Microchip Technology
4.000: $7.719
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA644PV-10MQR

Mouser Part #
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

$7.719

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: $7.562
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
ATMEGA644PV-10MUR

Mouser Part #
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

$7.562

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: $7.383
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA644V-10MUR

Mouser Part #
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

$7.383

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: $7.215
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
ATMEGA644V-10MU

Mouser Part #
556-ATMEGA644V10MU

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 8 Weeks

$7.215

Min.: 1
Mult.: 1

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

ATMEGA645A-MU
Microchip Technology
260: $6.710
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA645A-MU

Mouser Part #
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

$6.710

Min.: 260
Mult.: 260

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

ATMEGA645V-8MUR
Microchip Technology
4.000: $8.456
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA645V-8MUR

Mouser Part #
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

$8.456

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: $8.266
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA645V-8MU

Mouser Part #
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

$8.266

Min.: 260
Mult.: 260

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

ATMEGA649-16MUR
Microchip Technology
4.000: $10.264
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
ATMEGA649-16MUR

Mouser Part #
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

$10.264

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: $11.737
Non-Stocked Lead-Time 9 Weeks

Mfr. Part #
ATMEGA6490-16AUR

Mouser Part #
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

$11.737

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: $7.583
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA649A-MUR

Mouser Part #
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

$7.583

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: $8.266
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
ATMEGA649P-MUR

Mouser Part #
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

$8.266

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: $10.065
Lead-Time 12 Weeks

Mfr. Part #
ATMEGA649V-8AU

Mouser Part #
556-ATMEGA649V8AU

Microchip Technology

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

Datasheet

Lead-Time 12 Weeks

$10.065

Min.: 1
Mult.: 1

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

ATMEGA649V-8MU
Microchip Technology
260: $10.065
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
ATMEGA649V-8MU

Mouser Part #
556-ATMEGA649V8MU

Microchip Technology

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

Datasheet

Non-Stocked Lead-Time 8 Weeks

$10.065

Min.: 260
Mult.: 260