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ATMEGA2561-16AU ATMEGA2561-16AU is an 8-bit AVR microcontroller from Microchip Technology with 256KB Flash memory, 8KB RAM, and 54 I/O pins. It operates at 16MHz and comes in a 64-TQFP surface mount package.
Mfr Part #:

ATMEGA2561-16AU

Available from 3 distributors
Mfr Name: Microchip Technology
Microchip Technology
ATMEGA2561-16AU is an 8-bit AVR microcontroller from Microchip Technology with 256KB Flash memory, 8KB RAM, and 54 I/O pins. It operates at 16MHz and comes in a 64-TQFP surface mount package.
✓ Total Stock: 10,400 pcs

ATMEGA2561-16AU Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Optech Co.,Limited ✓
Non-Authorised Inventory information
6,798 pcs
On Request
6798 pcs On Request 1 On Request On Request 22+ On Request On Request
Fe Components ✓
Non-Authorised Inventory information
3,600 pcs
On Request
3600 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
2 pcs
On Request
2 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.

ATMEGA2561-16AU 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
Speed
Supplier Device Package
Voltage
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ATMEGA2561-16AU Description

Short technical summary and product information.

The ATMEGA2561-16AU is a high-performance 8-bit AVR microcontroller from Microchip Technology. It features 256KB of Flash program memory, 8KB of SRAM, and 4KB of EEPROM, making it suitable for complex embedded applications. The device operates at a maximum speed of 16MHz and supports a supply voltage range of 4.5V to 5.5V. It includes a rich set of peripherals such as brown-out detection, power-on reset, PWM, and watchdog timer. Connectivity options include EBI/EMI, I2C, SPI, and UART/USART interfaces. The microcontroller provides 54 general-purpose I/O lines and an 8-channel 10-bit A/D converter. It is housed in a 64-TQFP package with a 14x14mm body, suitable for surface mount assembly. The operating temperature range is -40°C to 85°C, allowing use in industrial environments.

ATMEGA2561-16AU Quick Information

Product Type: Microcontroller
Series: ATmega2561
Canonical Name: ATMEGA2561-16AU - Microchip AVR 8-bit Microcontroller with 256KB Flash, 64-TQFP
Subcategory: 8-bit Microcontrollers

ATMEGA2561-16AU Compliance

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

ATMEGA2561-16AU Features

  • 8-bit AVR core with 16MHz speed.
  • 256KB Flash program memory.
  • 54 general-purpose I/O pins.
  • 8-channel 10-bit A/D converter.
  • Supports I2C, SPI, and UART interfaces.

ATMEGA2561-16AU Applications

  • Industrial control and automation systems.
  • Embedded networking and communication devices.
  • Motor control and power management.
  • Automotive body control modules.

ATMEGA2561-16AU FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the ATMEGA2561-16AU?

The supply voltage range is 4.5V to 5.5V.

What is the package type of the ATMEGA2561-16AU?

It is available in a 64-TQFP (14x14mm) surface mount package.

What is the operating temperature range?

-40°C to 85°C.

Is the ATMEGA2561-16AU RoHS compliant?

RoHS3 Compliant per the manufacturer (unverified).

What is the program memory size?

256KB Flash memory.

How many I/O pins does it have?

54 I/O pins.

What is the core speed?

16MHz.

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