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.

Mga Resulta: 86
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Dami RoHS ECAD Model Core
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Laki ng Data RAM
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Maximum na Clock Frequency
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Dami ng I/O
Supply Voltage - Min
Supply Voltage - Max
Isitilo ng Mounting
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Minimum na Operating Temperature
Maximum na Operating Temperature
Series
Packaging
Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 4kB EEPROM 86 I/O Pins
Datasheet
1,071May Stock
Min.: 1
Mult.: 1

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 Tray
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp
Datasheet
696May Stock
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
845May Stock
Min.: 1
Mult.: 1

AVR 64 kB 4 kB TQFP-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
1,116May Stock
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 16 MHz, 105C, Green, TQFP
Datasheet
780May Stock
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 64KB FLSH 2KB EE 4KB RAM-20MHz IND
Datasheet
1,337May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 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 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
684May Stock
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
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
925May Stock
Min.: 1
Mult.: 1

AVR 64 kB 4 kB PDIP-40 20 MHz 10 bit 32 I/O 1.8 V 5.5 V Through Hole 8 bit - 40 C + 85 C ATmega644 Tube
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC-10MHZ
Datasheet
458May Stock
Min.: 1
Mult.: 1

AVR 64 kB 4 kB TQFP-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-20MHz, IND
Datasheet
1,925May Stock
Min.: 1
Mult.: 1
Reel: 1,000

AVR TQFP-64 16 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega649A Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHz IND
Datasheet
299May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 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 16 MHz, 85DEG
Datasheet
841May Stock
Min.: 1
Mult.: 1

AVR 64 kB 4 kB QFN-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
Datasheet
516May Stock
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 AVR 64KB FLSH 2KB EE 4KB SRAM-16MHZ 5V
Datasheet
148May Stock
1,000Inaasahan 4/20/2026
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 1,000

AVR 64 kB 4 kB TQFP-64 16 MHz 10 bit 53 I/O 4.2 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 FLASH 2K EE 4K SRAM ADC
Datasheet
25May Stock
Min.: 1
Mult.: 1

AVR 64 kB 4 kB QFN-64 16 MHz 10 bit 53 I/O 4.5 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega64 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 8K SRAM 4KB EE-8MHZ 1.8V IND
Datasheet
1,174May Stock
Min.: 1
Mult.: 1
Reel: 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 AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND
Datasheet
13May Stock
4,000Inaasahan 2/19/2026
Min.: 1
Mult.: 1
Reel: 2,000

AVR TQFP-44 20 MHz 2.7 V 5.5 V SMD/SMT 8 bit ATmega644 Reel, Cut Tape
Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 32 I/O Pins
Datasheet
57May Stock
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 ATmega644 Tube
Microchip Technology 8-bit Microcontrollers - MCU 20 MHz Ind Temp
Datasheet
93May Stock
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 20 MHz Ind Temp
Datasheet
235May Stock
280Inaasahan 3/19/2026
Min.: 1
Mult.: 1

AVR 64 kB 4 kB PDIP-40 20 MHz 10 bit 32 I/O 1.8 V 5.5 V Through Hole 8 bit - 40 C + 85 C ATmega644 Tube
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM
Datasheet
200May Stock
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-20MHz, IND
Datasheet
94May Stock
Min.: 1
Mult.: 1

AVR 64 kB 4 kB TQFP-64 16 MHz 10 bit 54 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega645A Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND
Datasheet
26May Stock
Min.: 1
Mult.: 1

AVR 64 kB 4 kB TQFP-64 16 MHz 10 bit 54 I/O 1.8 V 5.5 V SMD/SMT 8 bit - 40 C + 85 C ATmega649A Tray
Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins
Datasheet
22May Stock
360Inaasahan 4/16/2026
Min.: 1
Mult.: 1

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 Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND
Datasheet
20May Stock
Available ang MouseReel
Min.: 1
Mult.: 1
Reel: 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, MouseReel