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ATMEGA644PA-MUR The ATMEGA644PA-MUR is an 8-bit AVR microcontroller from Microchip Technology with 64KB Flash memory, 4KB RAM, and 2KB EEPROM. It operates at up to 20MHz and comes in a 44-VQFN surface mount package.
Mfr Part #:

ATMEGA644PA-MUR

Available from 3 distributors
Mfr Name: Microchip Technology
Microchip Technology
The ATMEGA644PA-MUR is an 8-bit AVR microcontroller from Microchip Technology with 64KB Flash memory, 4KB RAM, and 2KB EEPROM. It operates at up to 20MHz and comes in a 44-VQFN surface mount package.
✓ Total Stock: 11,248 pcs

ATMEGA644PA-MUR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Innova Technologies ✓
Non-Authorised Inventory information
8,000 pcs
On Request
8000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,238 pcs
On Request
3238 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
10 pcs
On Request
10 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ATMEGA644PA-MUR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Industrial Grade
Lead Style
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
SVHC Present
Speed
Supplier Device Package
Tape & Reel
Voltage
Watchdog Timer
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ATMEGA644PA-MUR Description

Short technical summary and product information.

The ATMEGA644PA-MUR is a high-performance, low-power 8-bit AVR microcontroller from Microchip Technology. It features 64KB of in-system self-programmable Flash memory, 4KB SRAM, and 2KB EEPROM. The device operates at a maximum clock speed of 20MHz at 4.5V-5.5V, delivering up to 20 MIPS throughput.

 

The microcontroller includes a rich set of peripherals: two 8-bit and one 16-bit timer/counters, 6 PWM channels, an 8-channel 10-bit ADC, and multiple serial interfaces (I²C, SPI, UART/USART). It also features a JTAG interface for debugging and programming, brown-out detection, power-on reset, and a watchdog timer. The operating voltage range is 1.8V to 5.5V, and the temperature range is -40°C to 85°C.

 

The device is supplied in a 44-VFQFN exposed pad package (44-VQFN 7x7mm) for surface mount assembly. It is RoHS3 compliant and has an MSL of 1 (unlimited). The part is suitable for a wide range of embedded applications requiring moderate memory and peripheral integration.

ATMEGA644PA-MUR Quick Information

Product Type: Microcontroller
Canonical Name: Microchip Technology ATMEGA644PA-MUR 8-bit AVR Microcontroller
Subcategory: 8-bit Microcontroller

ATMEGA644PA-MUR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Yes

ATMEGA644PA-MUR Features

  • 8-bit AVR core with up to 20 MIPS throughput.
  • 64KB Flash, 4KB SRAM, and 2KB EEPROM memory.
  • Operating voltage range from 1.8V to 5.5V.
  • Includes 8-channel 10-bit ADC and 6 PWM channels.
  • Surface mount 44-VQFN package with exposed pad.

ATMEGA644PA-MUR Applications

  • Ideal for industrial control and automation systems.
  • Used in consumer electronics and IoT devices.
  • Suitable for sensor interfacing and data acquisition.
  • Applicable in motor control and power management.

ATMEGA644PA-MUR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the ATMEGA644PA-MUR?

1.8V to 5.5V.

What package does the ATMEGA644PA-MUR come in?

44-VFQFN Exposed Pad (44-VQFN 7x7mm).

What is the operating temperature range?

-40°C to 85°C.

Is the ATMEGA644PA-MUR RoHS compliant?

Yes, it is listed as RoHS3 Compliant (unverified).

What is the maximum clock speed?

20MHz at 4.5V-5.5V, 10MHz at 2.7V-5.5V, 4MHz at 1.8V-5.5V.

How much Flash memory does it have?

64KB.

What interfaces are supported?

I²C, SPI, UART/USART.

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