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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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Core
Program Memory Size
Data RAM Size
Package/Case
Maximum Clock Frequency
ADC Resolution
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
Mounting Style
Data Bus Width
Minimum Operating Temperature
Maximum Operating Temperature
Series
Packaging
Microchip Technology 8-bit Microcontrollers - MCU 16 MHz, 85DEG
Datasheet
24,968In Stock
€5.93
€5.38
€4.94
€4.91
Min.: 1
Mult.: 1
AVR 64 kB 4 kB TQFP-32 16 MHz 10 bit 27 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega64M1 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN
Datasheet
342In Stock
€5.83
€5.33
€4.97
€4.96
Quote
Min.: 1
Mult.: 1
AVR 64 kB 4 kB VQFN-44 20 MHz 10 bit 32 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND
Datasheet
6,306In Stock
Cut Tape
€6.04
€5.87
€5.55
Reel
€4.99
Min.: 1
Mult.: 1
: 4,000
AVR 64 kB 4 kB VQFN-44 20 MHz 10 bit 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp
Datasheet
558In Stock
Cut Tape
€4.88
€4.54
€4.53
€4.52
Reel
€4.05
MouseReel Available
Min.: 1
Mult.: 1
: 2,000
AVR 64 kB 4 kB TQFP-44 20 MHz 10 bit 32 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp
Datasheet
379In Stock
€4.76
€4.35
€3.94
Min.: 1
Mult.: 1
AVR 64 kB 4 kB VQFN-44 20 MHz 10 bit 32 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644 Tray
Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins
Datasheet
266In Stock
€6.76
€6.18
€5.61
Min.: 1
Mult.: 1
AVR 64 kB 4 kB TQFP-64 16 MHz 10 bit 54 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega645 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5
Datasheet
2,000In Stock
Cut Tape
€8.39
€8.20
€7.60
Reel
€6.97
Min.: 1
Mult.: 1
: 1,000
AVR 64 kB 4 kB TQFP-64 16 MHz 10 bit 69 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega649 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 16MHz MLF 105C
Datasheet
98In Stock
€5.07
€4.64
€4.20
Min.: 1
Mult.: 1
AVR 64 kB 4 kB QFN-64 16 MHz 10 bit 53 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega64A Tray

Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD
Datasheet
258In Stock
€8.23
€7.55
€6.84
€6.83
Min.: 1
Mult.: 1
AVR 64 kB 4 kB MLF-64 16 MHz 10 bit 69 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega649 Tray

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND
Datasheet
1,300In Stock
€6.05
€5.54
€4.99
Min.: 1
Mult.: 1
AVR 64 kB 4 kB QFN-64 16 MHz 10 bit 54 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega645P Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM
Datasheet
200In Stock
€6.06
€5.56
€5.02
€5.01
Min.: 1
Mult.: 1
AVR 64 kB 4 kB VQFN-44 10 MHz 10 bit 32 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644P Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, EXT
Datasheet
707In Stock
Cut Tape
€9.15
€8.93
€8.46
Reel
€7.59
Min.: 1
Mult.: 1
: 1,000
AVR 64 kB 4 kB TQFP-64 8 MHz 10 bit 53 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega64 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 16MHz 105C
Datasheet
1,662In Stock
Cut Tape
€5.22
€5.07
€4.76
Reel
€4.30
MouseReel Available
Min.: 1
Mult.: 1
: 1,000
AVR 64 kB 4 kB TQFP-64 16 MHz 10 bit 53 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 105 C ATmega64A Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V
Datasheet
748In Stock
Cut Tape
€6.91
€6.72
€6.23
Reel
€6.08
Quote
Min.: 1
Mult.: 1
: 1,000
AVR 64 kB 4 kB TQFP-64 16 MHz 10 bit 54 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega645 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND
Datasheet
824In Stock
Cut Tape
€5.66
€5.52
€5.51
€5.50
Reel
€4.70
View
Min.: 1
Mult.: 1
: 1,000
AVR TQFP-64 16 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega645A Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V
Datasheet
176In Stock
€6.76
€6.18
€5.61
Min.: 1
Mult.: 1
AVR 64 kB 4 kB TQFP-64 8 MHz 10 bit 54 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega645 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
Datasheet
4,039In Stock
Cut Tape
€5.68
€5.55
Reel
€4.71
MouseReel Available
Min.: 1
Mult.: 1
: 2,000
AVR 64 kB 4 kB TQFP-44 20 MHz 10 bit 32 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644 Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND
Datasheet
6,125In Stock
Cut Tape
€5.09
€4.96
Reel
€4.23
MouseReel Available
Min.: 1
Mult.: 1
: 4,000
AVR 64 kB 4 kB VQFN-64 16 MHz 10 bit 53 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega64A Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND
Datasheet
2,732In Stock
Cut Tape
€9.02
€8.80
Reel
€7.49
MouseReel Available
Min.: 1
Mult.: 1
: 4,000
AVR 64 kB 4 kB MLF-64 8 MHz 10 bit 53 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega64 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND
Datasheet
669In Stock
Cut Tape
€9.01
€8.26
€7.79
€7.76
View
Reel
€7.48
MouseReel Available
Min.: 1
Mult.: 1
: 1,500
AVR 64 kB 8 kB TQFP-100 16 MHz 10 bit 86 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega640 Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V IND
Datasheet
872In Stock
Cut Tape
€9.01
€8.78
Reel
€7.48
Min.: 1
Mult.: 1
: 1,500
AVR TQFP-100 8 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega640 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp
Datasheet
2,423In Stock
€4.76
€4.35
€3.94
Min.: 1
Mult.: 1
AVR 64 kB 4 kB TQFP-44 20 MHz 10 bit 32 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Datasheet
536In Stock
€6.06
€5.56
€5.02
Min.: 1
Mult.: 1
AVR 64 kB 4 kB VQFN-44 20 MHz 10 bit 32 I/O 2.7 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644P Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Datasheet
278In Stock
€6.44
€5.90
€5.35
Min.: 1
Mult.: 1
AVR 64 kB 4 kB PDIP-40 20 MHz 10 bit 32 I/O 2.7 V 5.5 V Through Hole 8 bit - 40 C + 85 C ATmega644P Tube
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
791In Stock
€5.54
€5.08
€4.71
€4.61
Min.: 1
Mult.: 1
AVR 64 kB 4 kB QFN-44 20 MHz 10 bit 32 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega644 Tray