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 (SGD) 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 24,812In Stock
$9.37
$8.53
$8.50
$7.81
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 342In Stock
$9.22
$8.43
$7.64
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 371In Stock
$7.52
$6.88
$6.23
$6.22
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
$9.55
$9.29
$8.77
Reel
$7.79
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 64kB Flash 2kB EEPROM 54 I/O Pins 266In Stock
$10.69
$9.78
$8.87
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 16 MHz, 105C, Green, TQFP 735In Stock
$9.14
$8.36
$7.58
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 16MHz MLF 105C 98In Stock
$8.01
$7.33
$6.62
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 20 MHz Ind Temp 558In Stock
Cut Tape
$7.71
$7.53
Reel
$6.41
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

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND 1,300In Stock
$9.56
$8.76
$7.85
$7.79
$7.77
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
$9.59
$8.79
$7.94
$7.93
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
$14.47
$14.12
$13.38
Reel
$12.01
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 AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, 5V 748In Stock
Cut Tape
$10.93
$10.62
$9.85
Reel
$9.40
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 LCD16MHz,5 1,300In Stock
Cut Tape
$13.27
$12.97
$12.02
Reel
$11.12
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 105C 1,662In Stock
Cut Tape
$8.26
$8.02
$7.53
Reel
$6.76
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 64K FLASH 2K EE 4K SRAM ADC 1.8V 176In Stock
$10.69
$9.78
$8.87
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 RAM-20MHz IND 4,029In Stock
Cut Tape
$8.98
$8.77
Reel
$7.45
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
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz IND 6,574In Stock
Cut Tape
$8.05
$7.85
Reel
$6.69
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 5,825In Stock
Cut Tape
$8.05
$7.85
Reel
$6.69
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 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND 669In Stock
Cut Tape
$14.25
$13.89
Reel
$11.83
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
$14.25
$13.89
Reel
$11.83
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 2,373In Stock
$7.52
$6.88
$6.23
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 402In Stock
$8.02
$7.34
$6.65
Min.: 1
Mult.: 1
Through Hole PDIP-40 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V 516In Stock
$9.59
$8.79
$7.94
Min.: 1
Mult.: 1
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 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V 275In Stock
$10.19
$9.33
$8.46
Min.: 1
Mult.: 1
Through Hole PDIP-40 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 2.7 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins 769In Stock
$8.76
$8.04
$7.29
Min.: 1
Mult.: 1
SMD/SMT QFN-44 AVR 8 bit 20 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Tray