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.

Types of Microcontrollers - MCU

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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 Mounting Style Package/Case Core Data Bus Width Maximum Clock Frequency Program Memory Size Data RAM Size ADC Resolution Number of I/Os Supply Voltage - Min Supply Voltage - Max Maximum Operating Temperature Packaging
Microchip Technology 8-bit Microcontrollers - MCU 16 MHz, 85DEG 25,109In Stock
$6.90
$6.33
$5.75
Min.: 1
Mult.: 1
SMD/SMT TQFP-32 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 27 I/O 2.7 V 5.5 V + 85 C Tray
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
SMD/SMT VQFN-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp 379In Stock
$5.54
$5.06
$4.58
Min.: 1
Mult.: 1
SMD/SMT VQFN-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tray
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
$5.82
Min.: 1
Mult.: 1
: 4,000
SMD/SMT VQFN-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 2.7 V 5.5 V + 85 C Reel, Cut Tape
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
SMD/SMT TQFP-100 AVR 8 bit 8 MHz 64 kB 8 kB 10 bit 86 I/O 1.8 V 5.5 V + 85 C Tray
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
SMD/SMT TQFP-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 54 I/O 2.7 V 5.5 V + 85 C Tray
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
SMD/SMT TQFP-64 AVR 8 bit 16 MHz 1.8 V 5.5 V Reel, Cut Tape
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
SMD/SMT TQFP-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 69 I/O 2.7 V 5.5 V + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 16MHz MLF 105C 98In Stock
$5.90
$5.40
$4.88
Min.: 1
Mult.: 1
SMD/SMT QFN-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 53 I/O 2.7 V 5.5 V + 105 C Tray

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
SMD/SMT MLF-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 69 I/O 2.7 V 5.5 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND 1,300In Stock
$7.04
$6.44
$5.83
Min.: 1
Mult.: 1
SMD/SMT QFN-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 54 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM 200In Stock
$7.05
$6.47
$5.84
Min.: 1
Mult.: 1
SMD/SMT VQFN-44 AVR 8 bit 10 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, EXT 707In Stock
Cut Tape
$10.64
$10.39
Reel
$8.83
Min.: 1
Mult.: 1
: 1,000
SMD/SMT TQFP-64 AVR 8 bit 8 MHz 64 kB 4 kB 10 bit 53 I/O 2.7 V 5.5 V + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 16MHz 105C 1,662In Stock
Cut Tape
$6.07
$5.90
Reel
$5.04
Min.: 1
Mult.: 1
: 1,000
SMD/SMT TQFP-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 53 I/O 2.7 V 5.5 V + 105 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V 748In Stock
Cut Tape
$8.04
$7.82
Reel
$6.68
Min.: 1
Mult.: 1
: 1,000
SMD/SMT TQFP-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 54 I/O 2.7 V 5.5 V + 85 C Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND 960In Stock
Cut Tape
$6.58
$6.42
Reel
$5.47
Min.: 1
Mult.: 1
: 1,000
SMD/SMT TQFP-64 AVR 8 bit 16 MHz 1.8 V 5.5 V Reel, Cut Tape
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
SMD/SMT TQFP-64 AVR 8 bit 8 MHz 64 kB 4 kB 10 bit 54 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz IND 2,713In Stock
4,000On Order
Cut Tape
$5.92
$5.77
Reel
$4.92
Min.: 1
Mult.: 1
: 1,000
SMD/SMT TQFP-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 53 I/O 2.7 V 5.5 V + 85 C Reel, Cut Tape, MouseReel

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
SMD/SMT VQFN-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 53 I/O 2.7 V 5.5 V + 85 C Reel, Cut Tape, MouseReel

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
SMD/SMT MLF-64 AVR 8 bit 8 MHz 64 kB 4 kB 10 bit 53 I/O 2.7 V 5.5 V + 85 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins 189In Stock
$10.28
$9.43
$8.54
Min.: 1
Mult.: 1
SMD/SMT TQFP-100 AVR 8 bit 16 MHz 64 kB 8 kB 10 bit 86 I/O 2.7 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND 679In Stock
Cut Tape
$10.48
$9.61
$9.06
$9.02
Reel
$8.70
Min.: 1
Mult.: 1
: 1,500
SMD/SMT TQFP-100 AVR 8 bit 16 MHz 64 kB 8 kB 10 bit 86 I/O 2.7 V 5.5 V + 85 C Reel, Cut Tape, MouseReel
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
SMD/SMT TQFP-100 AVR 8 bit 8 MHz 1.8 V 5.5 V Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp 2,545In Stock
$5.54
$5.06
$4.58
Min.: 1
Mult.: 1
SMD/SMT TQFP-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp 558In Stock
Cut Tape
$5.68
$5.54
Reel
$4.71
Min.: 1
Mult.: 1
: 2,000
SMD/SMT TQFP-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Reel, Cut Tape, MouseReel