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
Change category view
Results: 90
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (CHF) 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 AVR 64KB FLSH 2KB EE 4KB SRAM-16MHZ 5V
Datasheet
2’000Expected 3/18/2027
MouseReel Available
Min.: 1
Mult.: 1
: 1’000

SMD/SMT TQFP-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 53 I/O 4.2 V 5.5 V + 85 C Reel, Cut Tape, MouseReel
Microchip Technology 8-bit Microcontrollers - MCU 64kB Flash 2kB EEPROM 54 I/O Pins
Datasheet
900Expected 3/29/2027
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 AVR 8 bit 16 MHz 64 kB 4 kB 10 bit 53 I/O 4.2 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLSH 4K SRAM 2KB EE 20MHZ 5V
Datasheet
1’120On Order
Min.: 1
Mult.: 1

SMD/SMT TQFP-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
Datasheet
Non-Stocked Lead-Time 12 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 8 Weeks
Min.: 4’000
Mult.: 4’000
: 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 11 Weeks
Min.: 2’000
Mult.: 2’000
: 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 12 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 12 Weeks
Min.: 4’000
Mult.: 4’000
: 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 12 Weeks
Min.: 4’000
Mult.: 4’000
: 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 12 Weeks
Min.: 4’000
Mult.: 4’000
: 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 12 Weeks
Min.: 4’000
Mult.: 4’000
: 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 10MHz 4KB SRAM, 1.8V
Datasheet
Non-Stocked Lead-Time 12 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-10MHz, 1.8V
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 4’000
Mult.: 4’000
: 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 8 Weeks
Min.: 4’000
Mult.: 4’000
: 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 12 Weeks
Min.: 4’000
Mult.: 4’000
: 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 8 Weeks
Min.: 1
Mult.: 1

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 12 Weeks
Min.: 260
Mult.: 260

SMD/SMT VQFN-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 64KB FLSH 2KB EE 4KB SRAM-8MHz, IND
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 4’000
Mult.: 4’000
: 4’000

SMD/SMT VQFN-64 AVR 8 bit 8 MHz 1.8 V 5.5 V Reel

Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC 1.8V
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 260
Mult.: 260

SMD/SMT MLF-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 SRAM LCD16MHz,5V
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 4’000
Mult.: 4’000
: 4’000

SMD/SMT VQFN-64 AVR 8 bit 16 MHz 2.7 V 5.5 V Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD16MHz,5V
Datasheet
Non-Stocked Lead-Time 9 Weeks
Min.: 1’500
Mult.: 1’500
: 1’500

SMD/SMT TQFP-100 AVR 8 bit 16 MHz 2.7 V 5.5 V Reel

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM-20MHz, IND
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 4’000
Mult.: 4’000
: 4’000

SMD/SMT VQFN-64 AVR 8 bit 16 MHz 1.8 V 5.5 V Reel

Microchip Technology 8-bit Microcontrollers - MCU AVR 64KB FLSH 2KB EE 4KB SRAM LCD-16MHz
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 4’000
Mult.: 4’000
: 4’000

SMD/SMT VQFN-64 AVR 8 bit Reel
Microchip Technology 8-bit Microcontrollers - MCU AVR 64K FLASH 2K EE 4K SRAM ADC LCD
Datasheet
Lead-Time 12 Weeks
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 AVR 8 bit 8 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 AVR 64K FLASH 2K EE 4K SRAM ADC LCD
Datasheet
Non-Stocked Lead-Time 8 Weeks
Min.: 260
Mult.: 260

SMD/SMT MLF-64 AVR 8 bit 8 MHz 64 kB 4 kB 54 I/O 1.8 V 5.5 V + 85 C Tray