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: 86
Select Image Part # Mfr. Description Datasheet Availability Pricing (HKD) 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 24,818In Stock
HK$56.64
HK$51.95
HK$47.18
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 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND 6,306In Stock
Cut Tape
HK$57.70
HK$56.14
Reel
HK$47.76
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 558In Stock
Cut Tape
HK$46.61
HK$45.54
Reel
HK$38.72
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 371In Stock
HK$45.46
HK$41.59
HK$37.65
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 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN 342In Stock
HK$55.73
HK$50.96
HK$46.20
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 266In Stock
HK$64.61
HK$59.10
HK$53.59
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-8MHz, IND 2,732In Stock
Cut Tape
HK$86.23
HK$84.09
Reel
HK$71.60
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 16 MHz, 105C, Green, TQFP 735In Stock
HK$55.24
HK$50.55
HK$45.79
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 FLASH 2K EE 4K SRAM 200In Stock
HK$57.95
HK$53.10
HK$48.00
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-16MHz, IND 1,300In Stock
HK$57.79
HK$52.94
HK$47.92
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 16MHz MLF 105C 98In Stock
HK$48.42
HK$44.31
HK$40.03
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 64KB FLSH 2KB EE 4KB SRAM-8MHz, EXT 707In Stock
Cut Tape
HK$87.46
HK$85.32
Reel
HK$72.58
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 AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND 824In Stock
Cut Tape
HK$54.09
HK$52.77
Reel
HK$44.88
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 16MHz 105C 1,662In Stock
Cut Tape
HK$49.90
HK$48.50
Reel
HK$41.35
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 748In Stock
Cut Tape
HK$66.09
HK$64.20
Reel
HK$54.91
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 LCD16MHz,5 1,300In Stock
Cut Tape
HK$80.23
HK$78.42
Reel
HK$66.66
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 AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V 176In Stock
HK$64.61
HK$59.10
HK$53.59
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 4,034In Stock
Cut Tape
HK$54.25
HK$53.02
Reel
HK$45.05
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 6,595In Stock
Cut Tape
HK$48.66
HK$47.43
Reel
HK$40.44
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 + 85 C ATmega64A Reel, Cut Tape, MouseReel

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz, IND 5,125In Stock
Cut Tape
HK$48.66
HK$47.43
Reel
HK$40.44
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 64K FLSH 8K SRAM 4KB EE-16MHZ 5V IND 669In Stock
Cut Tape
HK$86.15
HK$83.93
Reel
HK$71.51
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 872In Stock
Cut Tape
HK$86.15
HK$83.93
Reel
HK$71.51
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 2,373In Stock
HK$45.46
HK$41.59
HK$37.65
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 516In Stock
HK$57.95
HK$53.10
HK$48.00
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 275In Stock
HK$61.57
HK$56.39
HK$51.13
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