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HomeProductsIntegrated Circuits (ICs)Embedded - MicrocontrollersATMEGA644A-MUR
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ATMEGA644A-MUR - Microchip Technology

Manufacturer Part Number
ATMEGA644A-MUR
Manufacturer
Microchip Technology
Allelco Part Number
32D-ATMEGA644A-MUR
ECAD Model
Parts Description
IC MCU 8BIT 64KB FLASH 44VQFN
Detailed Description
Package
44-VFQFN Exposed Pad
Data sheet
ATmega164A/PA/324A/PA/644A/PA/1284/P.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 6317
  • Unit Price: $6.24
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $6.24 $6.24
25+ $5.731 $143.28
100+ $5.181 $518.10
The above prices does not include taxes and freight rates, which will be calculated on the order pages.
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Specifications

ATMEGA644A-MUR Tech Specifications
Microchip Technology - ATMEGA644A-MUR technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology - ATMEGA644A-MUR

Product Attribute Attribute Value  
Manufacturer Microchip Technology  
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V  
Supplier Device Package 44-VQFN (7x7)  
Speed 20MHz  
Series AVR® ATmega  
RAM Size 4K x 8  
Program Memory Type FLASH  
Program Memory Size 64KB (32K x 16)  
Peripherals Brown-out Detect/Reset, POR, PWM, WDT  
Package / Case 44-VFQFN Exposed Pad  
Package Tape & Reel (TR)  
Product Attribute Attribute Value  
Oscillator Type Internal  
Operating Temperature -40°C ~ 85°C (TA)  
Number of I/O 32  
Mounting Type Surface Mount  
EEPROM Size 2K x 8  
Data Converters A/D 8x10b  
Core Size 8-Bit  
Core Processor AVR  
Connectivity I²C, SPI, UART/USART  
Base Product Number ATMEGA644  

Parts Introduction

Manufacturer Part Number

ATMEGA644A-MUR

Manufacturer

Microchip Technology

Introduction

ATMEGA644A-MUR is an 8-Bit AVR® microcontroller tailored for embedded applications.

Product Features and Performance

Core Processor: AVR

Core Size: 8-Bit for efficient processing

Speed: 20MHz providing quick operations

Programmability with flash memory

Enhanced power-saving features

Product Advantages

Integration of multiple connectivity options such as I2C, SPI, UART/USART

Comes with essential peripherals like Brown-out Detect/Reset, POR, PWM, WDT

Adequate I/O ports with 32 available lines

Sufficient program memory size of 64KB

Non-volatile EEPROM Size of 2K x 8

RAM Size of 4K x 8 for temporary data storage

Wide voltage supply range accommodating various power sources

Key Technical Parameters

Program Memory Size: 64KB (32K x 16)

EEPROM Size: 2K x 8

RAM Size: 4K x 8

Number of I/O: 32

Voltage Supply (Vcc/Vdd): 1.8V ~ 5.5V

Data Converters: A/D 8x10b

Oscillator Type: Internal

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

On-chip Brown-out Detect/Reset ensures reliable operation under unstable power conditions

Watchdog Timer (WDT) helps in system recovery from software malfunctions

Compatibility

Compatible with various interface standards such as I2C, SPI, UART/USART

Mounting Type: Surface Mount with a 44-VQFN package

Application Areas

Ideal for industrial control systems, home automation, automotive, and consumer electronics

Product Lifecycle

Currently active with no immediate discontinuation expected

Replacement or upgrade models available for future scalability

Several Key Reasons to Choose This Product

Robust operating temperature range suiting demanding environments

Supports an array of peripherals minimizing additional component requirements

High integration helps in reducing the overall system costs

Versatility in interfacing with various connectivity options

Microchip's reputation for long-term support and product availability

Parts with Similar Specifications

The three parts on the right have similar specifications to Microchip Technology ATMEGA644A-MUR

Product Attribute ATMEGA644A-MUR ATMEGA644-20AUR ATMEGA644-20MU ATMEGA644-20AU
Part Number ATMEGA644A-MUR ATMEGA644-20AUR ATMEGA644-20MU ATMEGA644-20AU
Manufacturer Microchip Technology Microchip Technology Microchip Technology Microchip Technology
Program Memory Size 64KB (32K x 16) 64KB (32K x 16) 64KB (32K x 16) 64KB (32K x 16)
Core Size 8-Bit 8-Bit 8-Bit 8-Bit
Series AVR® ATmega AVR® ATmega AVR® ATmega AVR® ATmega
Package / Case 44-VFQFN Exposed Pad 44-TQFP 44-VFQFN Exposed Pad 44-TQFP
Peripherals Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT Brown-out Detect/Reset, POR, PWM, WDT
Package Tape & Reel (TR) Tape & Reel (TR) Tray Tray
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Supplier Device Package 44-VQFN (7x7) 44-TQFP (10x10) 44-VQFN (7x7) 44-TQFP (10x10)
EEPROM Size 2K x 8 2K x 8 2K x 8 2K x 8
Connectivity I²C, SPI, UART/USART I²C, SPI, UART/USART I²C, SPI, UART/USART I²C, SPI, UART/USART
Voltage - Supply (Vcc/Vdd) 1.8V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V 2.7V ~ 5.5V
RAM Size 4K x 8 4K x 8 4K x 8 4K x 8
Data Converters A/D 8x10b A/D 8x10b A/D 8x10b A/D 8x10b
Base Product Number ATMEGA644 ATMEGA644 ATMEGA644 ATMEGA644
Oscillator Type Internal Internal Internal Internal
Speed 20MHz 20MHz 20MHz 20MHz
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Core Processor AVR AVR AVR AVR
Program Memory Type FLASH FLASH FLASH FLASH
Number of I/O 32 32 32 32

ATMEGA644A-MUR Datasheet PDF

Download ATMEGA644A-MUR pdf datasheets and Microchip Technology documentation for ATMEGA644A-MUR - Microchip Technology.

Datasheets
ATmega164A/PA/324A/PA/644A/PA/1284/P.pdf
PCN Packaging
Transfer to Microchip/Label/Pkg 5/Sep/2016.pdf Boxes 07/Dec/2016.pdf
PCN Other
MSL Update 26/Feb/2014.pdf
PCN Assembly/Origin
Additional Assembly Site 28/Sep/2021.pdf
PCN Design/Specification
ATMEGA Datasheet 11/Dec/2018.pdf ATmega164A/PA/324A/PA/644A/PA/1284/P 20/Jan/2020.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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ATMEGA644A-MUR

Microchip Technology
32D-ATMEGA644A-MUR

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