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 (GBP) 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 AVR 64K FLSH 4K SRAM 2KB EE-20MHZ 5V IND
Datasheet
6,366In Stock
Min.: 1
Mult.: 1
Reel: 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 AVR 64 KB FL 2 KB EE 4KB RAM 16 MHZ GRN
Datasheet
134In 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 AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Datasheet
1,087In 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 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
374In 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 20 MHz Ind Temp
Datasheet
90In 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 AVR 64K FLASH 2K EE 4K SRAM
Datasheet
200In 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 20 MHz Ind Temp
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

AVR VQFN-44 20 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega644 Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 360
Mult.: 360

AVR 64 kB 4 kB VQFN-44 20 MHz 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 EXT,5V
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

AVR VQFN-44 20 MHz 2.7 V 5.5 V SMD/SMT 8 bit ATmega644P Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

AVR VQFN-44 20 MHz 2.7 V 5.5 V SMD/SMT 8 bit ATmega644P Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

AVR VQFN-44 20 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega644 Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-20MHz IND
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

AVR VQFN-44 20 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega644 Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB, 2KB EE 10MHz 4KB SRAM, 1.8V
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 360
Mult.: 360

AVR 64 kB 4 kB VQFN-44 10 MHz 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-10MHz, 1.8V
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000
AVR VQFN-44 10 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega644P Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

AVR VQFN-44 10 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega644 Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V
Datasheet
Non-Stocked
Min.: 4,000
Mult.: 4,000
Reel: 4,000

AVR VQFN-44 10 MHz 1.8 V 5.5 V SMD/SMT 8 bit ATmega644P Reel