Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 64 kB Flash, 44-Pin VQFN

RS Stock No.: 131-0317PBrand: MicrochipManufacturers Part No.: ATMEGA644A-MU
brand-logo
View all in Microcontrollers

Technical Document

Specifications

Family Name

ATmega

Package Type

VQFN

Mounting Type

Surface Mount

Pin Count

44

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

64 kB

Maximum Frequency

20MHz

RAM Size

4 kB

USB Channels

0

Number of PWM Units

1

Number of SPI Channels

3

Number of USART Channels

2

Number of UART Channels

2

Number of I2C Channels

1

Typical Operating Supply Voltage

1.8 → 5.5 V

Number of CAN Channels

0

Dimensions

7.1 x 7.1 x 0.95mm

Pulse Width Modulation

1 (6 Channel)

Program Memory Type

Flash

Number of Ethernet Channels

0

Number of PCI Channels

0

Instruction Set Architecture

RISC

Number of ADC Units

1

Maximum Operating Temperature

+85 °C

Length

7.1mm

ADCs

8 x 10 bit

Height

0.95mm

Number of LIN Channels

0

Width

7.1mm

Maximum Number of Ethernet Channels

0

Minimum Operating Temperature

-40 °C

Product details

8-Bit megaAVR Microcontrollers, 32KB to 256KB Flash

Here at RS Components we have various megaAVR 8-bit microcontrollers from Atmel. Each of the microcontrollers is based on an enhanced RISC architecture and feature QTouch library support. All the microcontroller types have varying Kb of In-System Programmable Flash, EEPROM and SRAM as well as varying pin and package types.

Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450

Ideate. Create. Collaborate

JOIN FOR FREE

No hidden fees!

design-spark
design-spark
  • Download and use our DesignSpark software for your PCB and 3D Mechanical designs
  • View and contribute website content and forums
  • Download 3D Models, Schematics and Footprints from more than a million products
Click here to find out more
You may be interested in
Stock information temporarily unavailable.

€ 9.27

€ 9.27 Each (Supplied in a Tray) (Exc. VAT)

€ 10.94

€ 10.94 Each (Supplied in a Tray) (inc. VAT)

Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 64 kB Flash, 44-Pin VQFN
Select packaging type

€ 9.27

€ 9.27 Each (Supplied in a Tray) (Exc. VAT)

€ 10.94

€ 10.94 Each (Supplied in a Tray) (inc. VAT)

Microchip, 8bit AVR, ATmega Microcontroller, 20MHz, 64 kB Flash, 44-Pin VQFN
Stock information temporarily unavailable.
Select packaging type

Stock information temporarily unavailable.

Please check again later.

Ideate. Create. Collaborate

JOIN FOR FREE

No hidden fees!

design-spark
design-spark
  • Download and use our DesignSpark software for your PCB and 3D Mechanical designs
  • View and contribute website content and forums
  • Download 3D Models, Schematics and Footprints from more than a million products
Click here to find out more
You may be interested in

Technical Document

Specifications

Family Name

ATmega

Package Type

VQFN

Mounting Type

Surface Mount

Pin Count

44

Device Core

AVR

Data Bus Width

8bit

Program Memory Size

64 kB

Maximum Frequency

20MHz

RAM Size

4 kB

USB Channels

0

Number of PWM Units

1

Number of SPI Channels

3

Number of USART Channels

2

Number of UART Channels

2

Number of I2C Channels

1

Typical Operating Supply Voltage

1.8 → 5.5 V

Number of CAN Channels

0

Dimensions

7.1 x 7.1 x 0.95mm

Pulse Width Modulation

1 (6 Channel)

Program Memory Type

Flash

Number of Ethernet Channels

0

Number of PCI Channels

0

Instruction Set Architecture

RISC

Number of ADC Units

1

Maximum Operating Temperature

+85 °C

Length

7.1mm

ADCs

8 x 10 bit

Height

0.95mm

Number of LIN Channels

0

Width

7.1mm

Maximum Number of Ethernet Channels

0

Minimum Operating Temperature

-40 °C

Product details

8-Bit megaAVR Microcontrollers, 32KB to 256KB Flash

Here at RS Components we have various megaAVR 8-bit microcontrollers from Atmel. Each of the microcontrollers is based on an enhanced RISC architecture and feature QTouch library support. All the microcontroller types have varying Kb of In-System Programmable Flash, EEPROM and SRAM as well as varying pin and package types.

Types of megaAVR 8-bit microcontrollers
•ATmega32
•ATmega64
•ATmega128
•ATmega324
•ATmega325
•ATmega406
•ATmega640
•ATmega644
•ATmega645
•ATmega1280
•ATmega1281
•ATmega1284
•ATmega2560
•ATmega2561
•ATmega3250
•ATmega6450

Ideate. Create. Collaborate

JOIN FOR FREE

No hidden fees!

design-spark
design-spark
  • Download and use our DesignSpark software for your PCB and 3D Mechanical designs
  • View and contribute website content and forums
  • Download 3D Models, Schematics and Footprints from more than a million products
Click here to find out more
You may be interested in