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.

Results: 90
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Microchip Technology 8-bit Microcontrollers - MCU 16 MHz, 85DEG 26,199In Stock
$6.89
$6.32
$5.74
Min.: 1
Mult.: 1
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp 419In Stock
$5.53
$5.06
$4.58
Min.: 1
Mult.: 1
Microchip Technology 8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN 366In Stock
$6.78
$6.20
$5.62
Min.: 1
Mult.: 1
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V 805In Stock
$10.28
$9.43
$8.54
Min.: 1
Mult.: 1
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND 6,306In Stock
Cut Tape
$7.02
$6.83
Reel
$5.81
Min.: 1
Mult.: 1
: 4,000
Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins 267In Stock
$7.86
$7.19
$6.52
Min.: 1
Mult.: 1
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND 1,525In Stock
Cut Tape
$7.21
$7.01
Reel
$5.99
Min.: 1
Mult.: 1
: 1,000
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5 2,000In Stock
Cut Tape
$9.76
$9.54
Reel
$8.11
Min.: 1
Mult.: 1
: 1,000
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND 3,863In Stock
Cut Tape
$7.02
$6.83
Reel
$5.81
Min.: 1
Mult.: 1
: 2,000
Microchip Technology 8-bit Microcontrollers - MCU 16MHz 105C 1,662In Stock
Cut Tape
$6.07
$5.90
Reel
$5.03
Min.: 1
Mult.: 1
: 1,000
Microchip Technology 8-bit Microcontrollers - MCU 16MHz MLF 105C 98In Stock
$5.89
$5.39
$4.87
Min.: 1
Mult.: 1

Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD 258In Stock
$9.57
$8.78
$7.95
Min.: 1
Mult.: 1
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM 200In Stock
$7.05
$6.46
$5.84
Min.: 1
Mult.: 1

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND 1,300In Stock
$7.03
$6.44
$5.83
Min.: 1
Mult.: 1
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND 960In Stock
Cut Tape
$6.58
$6.42
Reel
$5.46
Min.: 1
Mult.: 1
: 1,000
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V 748In Stock
Cut Tape
$8.04
$7.81
Reel
$6.68
Min.: 1
Mult.: 1
: 1,000
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, EXT 747In Stock
Cut Tape
$10.64
$10.38
Reel
$8.83
Min.: 1
Mult.: 1
: 1,000
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V 176In Stock
$7.86
$7.19
$6.52
Min.: 1
Mult.: 1
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz IND 2,721In Stock
4,000Expected 02/10/2026
Cut Tape
$5.92
$5.77
Reel
$4.92
Min.: 1
Mult.: 1
: 1,000

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND 6,275In Stock
Cut Tape
$5.92
$5.77
Reel
$4.92
Min.: 1
Mult.: 1
: 4,000

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND 2,732In Stock
Cut Tape
$10.49
$10.23
Reel
$8.71
Min.: 1
Mult.: 1
: 4,000
Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins 479In Stock
$10.28
$9.43
$8.54
Min.: 1
Mult.: 1
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND 679In Stock
Cut Tape
$10.48
$10.21
Reel
$8.70
Min.: 1
Mult.: 1
: 1,500
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V IND 872In Stock
Cut Tape
$10.48
$10.21
Reel
$8.70
Min.: 1
Mult.: 1
: 1,500
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp 932In Stock
2,080Expected 28/09/2026
$5.53
$5.06
$4.58
Min.: 1
Mult.: 1