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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Data Bus Width
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Program Memory Size
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Supply Voltage - Max
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Packaging
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Datasheet
52In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 AVR 8 bit 20 MHz 64 kB 4 kB 32 I/O 2.7 V 5.5 V + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-16MHZ 5V
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

SMD/SMT VQFN-64 AVR 8 bit 16 MHz 4.5 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE - 20MHZ 5V
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1

SMD/SMT MLF-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 20 MHz Ind Temp
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

SMD/SMT VQFN-44 AVR 8 bit 20 MHz 1.8 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE-20MHZ IND,5V
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

SMD/SMT TQFP-44 AVR 8 bit 20 MHz 2.7 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 360
Mult.: 360

SMD/SMT VQFN-44 AVR 8 bit 20 MHz 64 kB 4 kB 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 EXT,5V
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

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

SMD/SMT VQFN-44 AVR 8 bit 20 MHz 2.7 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
Datasheet
Non-Stocked Lead-Time 7 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

SMD/SMT TQFP-44 AVR 8 bit 20 MHz 1.8 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU 64K Flash 2K EEPROM 4K SRAM 32 IO Pins
Datasheet
Lead-Time 5 Weeks
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 AVR 64KB FLSH 2KB EE 4KB RAM-16MHz 105C
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

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

SMD/SMT VQFN-44 AVR 8 bit 20 MHz 1.8 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB, 2KB EE 20MHz 4KB SRAM, 1.8V
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 160
Mult.: 160

SMD/SMT TQFP-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, 2KB EE 10MHz 4KB SRAM, 1.8V
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 360
Mult.: 360

SMD/SMT VQFN-44 AVR 8 bit 10 MHz 64 kB 4 kB 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-20MHz, 5V
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000
SMD/SMT TQFP-44 AVR 8 bit 10 MHz 1.8 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000
SMD/SMT VQFN-44 AVR 8 bit 10 MHz 1.8 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

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

Microchip Technology RF Microcontrollers - MCU 2.4GHZ 64K SOC 48pin Ind 125C
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 416
Mult.: 416

SMD/SMT QFN-48 AVR 8 bit 16 MHz 64 kB 8 kB 10 bit 38 I/O 1.8 V 3.6 V + 85 C Tray

Microchip Technology RF Microcontrollers - MCU 2.4GHZ 802.15.4 64K SOC 48pin
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 416
Mult.: 416

SMD/SMT QFN-48 AVR 8 bit 16 MHz 64 kB 8 kB 10 bit 38 I/O 1.8 V 3.6 V + 85 C Tray

Microchip Technology RF Microcontrollers - MCU 2.4GHZ 64K SOC 48 pin Ind125C
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

SMD/SMT QFN-48 AVR 8 bit 16 MHz 64 kB 8 kB 10 bit 38 I/O 1.8 V 3.6 V + 85 C Reel

Microchip Technology RF Microcontrollers - MCU 2.4GHZ 802.15.4 64K SOC 48pin
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

SMD/SMT QFN-48 AVR 8 bit 16 MHz 64 kB 8 kB 10 bit 38 I/O 1.8 V 3.6 V + 85 C Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 2,000
Mult.: 2,000
Reel: 2,000

SMD/SMT TQFP-44 AVR 8 bit 10 MHz 64 kB 4 kB 10 bit 32 I/O 1.8 V 5.5 V + 85 C Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-10MHz, 1.8V
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 4,000
Mult.: 4,000
Reel: 4,000

SMD/SMT VQFN-44 AVR 8 bit 10 MHz 1.8 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC-10MHZ
Datasheet
Non-Stocked Lead-Time 4 Weeks
Min.: 360
Mult.: 360

SMD/SMT MLF-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-20MHz, IND
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 1
Mult.: 1
Reel: 1,000

SMD/SMT TQFP-64 AVR 8 bit 16 MHz 1.8 V 5.5 V Reel, Cut Tape