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ATMEGA644PA-AUR The Microchip Technology ATMEGA644PA-AUR is an 8-bit AVR microcontroller featuring 64KB of Flash program memory and operating at up to 20MHz. It is supplied in a 44-TQFP package.
Mfr Part #:

ATMEGA644PA-AUR

Available from 4 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology ATMEGA644PA-AUR is an 8-bit AVR microcontroller featuring 64KB of Flash program memory and operating at up to 20MHz. It is supplied in a 44-TQFP package.
✓ Total Stock: 33,680 pcs

ATMEGA644PA-AUR Available from 4 distributors

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Smaxon Electronics ✓
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20,564 pcs
On Request
20564 pcs On Request 1 On Request On Request 21+ On Request On Request
PROSOFT ELECTRONICS ✓
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7,804 pcs
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7804 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
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4,000 pcs
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4000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
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1,312 pcs
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1312 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-AUR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Connectivity
Core Processor
Core Size
Data Converters
EEPROM Size
Mounting Type
Number of I
Operating Temperature
Oscillator Type
Peripherals
Program Memory Size
Program Memory Type
RAM Size
SVHC Present
Speed
Supplier Device Package
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ATMEGA644PA-AUR Description

Short technical summary and product information.

The ATmega644PA-AUR from Microchip Technology is a high-performance, low-power 8-bit AVR microcontroller based on an advanced RISC architecture. It offers 64KB of in-system self-programmable Flash program memory and 4KB of internal SRAM, with an EEPROM size of 2KB. This device operates at speeds up to 20MHz, executing most instructions in a single clock cycle.

 

Key peripherals include an 8-channel, 10-bit ADC, two 8-bit timer/counters, one 16-bit timer/counter, and multiple PWM channels. Connectivity options include I2C, SPI, and UART/USART interfaces. The microcontroller supports a wide operating voltage range of 1.8V to 5.5V and operates within an ambient temperature range of -40°C to 85°C.

 

Packaged in a 44-lead TQFP (10x10mm), the ATmega644PA-AUR is designed for surface mount applications. It features essential peripherals like Power-on Reset (POR), Programmable Brown-out Detection, and a Watchdog Timer (WDT), making it suitable for a variety of embedded control applications.

ATMEGA644PA-AUR Quick Information

Product Type: Microcontroller
Series: ATmega
Canonical Name: ATMEGA644PA-AUR 8-Bit AVR Microcontroller
Subcategory: 8-Bit Microcontroller

ATMEGA644PA-AUR Compliance

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

ATMEGA644PA-AUR Features

  • High-performance 8-bit AVR microcontroller.
  • 64KB Flash program memory.
  • 4KB internal SRAM.
  • Operates at up to 20MHz.
  • 44-TQFP package for surface mounting.

ATMEGA644PA-AUR Applications

  • Suitable for embedded control systems.
  • Ideal for applications requiring low power.
  • Supports various communication interfaces.
  • Features multiple timer and PWM channels.

ATMEGA644PA-AUR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the program memory size of the ATMEGA644PA-AUR?

The ATMEGA644PA-AUR has 64KB of Flash program memory.

What is the RAM size of the ATMEGA644PA-AUR microcontroller?

The ATMEGA644PA-AUR has 4KB of internal SRAM.

What is the operating voltage range for the ATMEGA644PA-AUR?

The ATMEGA644PA-AUR operates within a voltage range of 1.8V to 5.5V.

What is the operating temperature range of the ATMEGA644PA-AUR?

The ATMEGA644PA-AUR can operate between -40°C and 85°C.

What package type is the ATMEGA644PA-AUR supplied in?

The ATMEGA644PA-AUR is supplied in a 44-TQFP package.

What is the speed rating of the ATMEGA644PA-AUR?

The ATMEGA644PA-AUR has a speed rating of 20MHz.

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