Microchip Technology, Inc. 8-bit 8BIT 256KB Embedded Microcontroller MCU ATMEGA2561-16AU

Description
IC MCU 8BIT 256KB FLASH 64TQFP Product overview: ATMEGA2561-16AU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 256KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 256KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATMEGA2561-16AU can be used for catalog matching and distributor lookup.
Request a Quote
Description
IC MCU 8BIT 256KB FLASH 64TQFP Product overview: ATMEGA2561-16AU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 256KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 256KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATMEGA2561-16AU can be used for catalog matching and distributor lookup.
Request a Quote
Datasheet
Datasheet Summary
Powered by GS/AI

The ATmega2561-16AU is an 8-bit microcontroller from Lingto Electronic Limited, featuring a high-performance AVR architecture with a maximum throughput of 16 MIPS at 16 MHz. It includes 256 KB of in-system programmable Flash memory, 4 KB of EEPROM, and 8 KB of SRAM, with a data retention of up to 100 years at 25¬8C. The device supports in-system programming and features a true read-while-write operation, enhancing flexibility in application development. This microcontroller is equipped with multiple peripherals, including two 8-bit and four 16-bit timer/counters, a real-time counter, and an 8-channel 10-bit ADC. It also supports various communication interfaces such as USART, SPI, and I2C. The ATmega2561-16AU operates within a temperature range of -40¬8C to 85¬8C and offers ultra-low power consumption, with active mode current as low as 500 ¬µA at 1.8V and power-down mode current of 0.1 ¬µA. The device is available in a 64-lead TQFP package and is compliant with RoHS standards. Its extensive I/O capabilities, including up to 86 programmable I/O lines, make it suitable for a wide range of embedded applications.

Datasheet Summary
Powered by GS/AI

The ATmega2561-16AU is an 8-bit microcontroller from Lingto Electronic Limited, featuring a high-performance AVR architecture with a maximum throughput of 16 MIPS at 16 MHz. It includes 256 KB of in-system programmable Flash memory, 4 KB of EEPROM, and 8 KB of SRAM, with a data retention of up to 100 years at 25¬8C. The device supports in-system programming and features a true read-while-write operation, enhancing flexibility in application development. This microcontroller is equipped with multiple peripherals, including two 8-bit and four 16-bit timer/counters, a real-time counter, and an 8-channel 10-bit ADC. It also supports various communication interfaces such as USART, SPI, and I2C. The ATmega2561-16AU operates within a temperature range of -40¬8C to 85¬8C and offers ultra-low power consumption, with active mode current as low as 500 ¬µA at 1.8V and power-down mode current of 0.1 ¬µA. The device is available in a 64-lead TQFP package and is compliant with RoHS standards. Its extensive I/O capabilities, including up to 86 programmable I/O lines, make it suitable for a wide range of embedded applications.

Suppliers

Company
Product
Description
Supplier Links
8-bit 8BIT 256KB Embedded Microcontroller MCU - 685-ATMEGA2561-16AU - ERSAELECTRONICS PTE. LTD.
Singapore, Singapore
8-bit 8BIT 256KB Embedded Microcontroller MCU
685-ATMEGA2561-16AU
8-bit 8BIT 256KB Embedded Microcontroller MCU 685-ATMEGA2561-16AU
IC MCU 8BIT 256KB FLASH 64TQFP Product overview: ATMEGA2561-16AU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 256KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 256KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATMEGA2561-16AU can be used for catalog matching and distributor lookup.

IC MCU 8BIT 256KB FLASH 64TQFP Product overview: ATMEGA2561-16AU from Microchip Technology is an Embedded Microcontroller MCU for industrial control, IoT devices, embedded automation, motor control, metering, and low-power board designs. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 8-bit, 8BIT, 256KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 8-bit, 8BIT, 256KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATMEGA2561-16AU can be used for catalog matching and distributor lookup.

Supplier's Site Datasheet
Embedded - Embedded - Microcontrollers - ATMEGA2561-16AU - 010416-ATMEGA2561-16AU - Win Source Electronics
Laguna Hills, CA, United States
Embedded - Embedded - Microcontrollers - ATMEGA2561-16AU
010416-ATMEGA2561-16AU
Embedded - Embedded - Microcontrollers - ATMEGA2561-16AU 010416-ATMEGA2561-16AU
Manufacturer: Microchip Technology Win Source Part Number: 010416-ATMEGA2561-16 AU Packaging: Reel - TR Core Processor: AVR Number of I/O: 54 Program Memory Size: 256KB (128K x 16) Program Memory Type: FLASH EEPROM Size: 4K x 8 Data Converters: A/D 8x10b Family Name: ATmega2561 Categories: Integrated Circuits Status: Active Temperature Range - Operating: -40°C to 85°C (TA) Case / Package: 64-TQFP (14x14) Speed(Frequency): 16MHz Supply Voltage - Operating: 4.5 V to 5.5 V Part Core Size: 8-Bit Data RAM Size: 8K x 8 Alternative Parts (Cross-Reference): VMX51C1020-14-QCG; VMX51C1020-14-QC; ATmega2561-16AI; ATmega2561-16MUR; Introduction Date: December 14, 2004 ECCN: EAR99 Country of Origin: Taiwan Estimated EOL Date: 2026 Halogen Free: Compliant Is this a common-used part?: Yes Popularity: High Fake Threat In the Open Market: 54 pct. Supply and Demand Status: Limited Application Field: Used in Industrial

Manufacturer: Microchip Technology
Win Source Part Number: 010416-ATMEGA2561-16AU
Packaging: Reel - TR
Core Processor: AVR
Number of I/O: 54
Program Memory Size: 256KB (128K x 16)
Program Memory Type: FLASH
EEPROM Size: 4K x 8
Data Converters: A/D 8x10b
Family Name: ATmega2561
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 64-TQFP (14x14)
Speed(Frequency): 16MHz
Supply Voltage - Operating: 4.5 V to 5.5 V
Part Core Size: 8-Bit
Data RAM Size: 8K x 8
Alternative Parts (Cross-Reference): VMX51C1020-14-QCG; VMX51C1020-14-QC; ATmega2561-16AI; ATmega2561-16MUR;
Introduction Date: December 14, 2004
ECCN: EAR99
Country of Origin: Taiwan
Estimated EOL Date: 2026
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 54 pct.
Supply and Demand Status: Limited
Application Field: Used in Industrial

Buy Now Datasheet
Microcontrollers - 1278286P - RS Components, Ltd.
Corby, Northants, United Kingdom
Microcontrollers
1278286P
Microcontrollers 1278286P
MCU AVR 256K Flash ISP 4K EEPROM TQFP64

MCU AVR 256K Flash ISP 4K EEPROM TQFP64

Supplier's Site
Microcontrollers - 1278286 - RS Components, Ltd.
Corby, Northants, United Kingdom
Microcontrollers
1278286
Microcontrollers 1278286
MCU AVR 256K Flash ISP 4K EEPROM TQFP64

MCU AVR 256K Flash ISP 4K EEPROM TQFP64

Supplier's Site
Microcontrollers - ATMEGA2561-16AU-ND - DigiKey
Thief River Falls, MN, United States
Microcontrollers
ATMEGA2561-16AU-ND
Microcontrollers ATMEGA2561-16AU-ND
AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 256KB (128K x 16) FLASH 64-TQFP (14x14)

AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 256KB (128K x 16) FLASH 64-TQFP (14x14)

Buy Now Datasheet
Integrated Circuits (ICs) - Embedded - Microcontrollers - ATMEGA2561-16AU - Shenzhen Shengyu Electronics Technology Limited
Futian, China
Integrated Circuits (ICs) - Embedded - Microcontrollers
ATMEGA2561-16AU
Integrated Circuits (ICs) - Embedded - Microcontrollers ATMEGA2561-16AU
IC MCU 8BIT 256KB FLASH 64TQFP

IC MCU 8BIT 256KB FLASH 64TQFP

Supplier's Site
Microcontrollers - ATMEGA2561-16AU - Quarktwin Technology Ltd.
Shenzhen, Guangdong, China
Microcontrollers
ATMEGA2561-16AU
Microcontrollers ATMEGA2561-16AU
AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 256KB (128K x 16) FLASH 64-TQFP (14x14)

AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 256KB (128K x 16) FLASH 64-TQFP (14x14)

Buy Now Datasheet
Microcontrollers - ATMEGA2561-16AU - Quarktwin Technology Ltd.
Shenzhen, Guangdong, China
Microcontrollers
ATMEGA2561-16AU
Microcontrollers ATMEGA2561-16AU
AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 256KB (128K x 16) FLASH 64-TQFP (14x14)

AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 256KB (128K x 16) FLASH 64-TQFP (14x14)

Buy Now Datasheet
Single Chip Microcomputer/Microcontroller >> Microcontroller Units (MCUs/MPUs/SOCs) - ATMEGA2561-16AU - LCSC Electronics Technology (HK) Limited
Futian, Shenzhen, China
Single Chip Microcomputer/Microcontroller >> Microcontroller Units (MCUs/MPUs/SOCs)
ATMEGA2561-16AU
Single Chip Microcomputer/Microcontroller >> Microcontroller Units (MCUs/MPUs/SOCs) ATMEGA2561-16AU
256KB 4.5V~5.5V AVR 8KB 16MHz FLASH 54 TQFP-64(14x14) Microcontroller Units (MCUs/MPUs/SOCs) ROHS

256KB 4.5V~5.5V AVR 8KB 16MHz FLASH 54 TQFP-64(14x14) Microcontroller Units (MCUs/MPUs/SOCs) ROHS

Supplier's Site Datasheet
Embedded - Microcontrollers - ATMEGA2561-16AU - Lingto Electronic Limited
Shenzhen, China
Embedded - Microcontrollers
ATMEGA2561-16AU
Embedded - Microcontrollers ATMEGA2561-16AU
IC MCU 8BIT 256KB FLASH 64TQFP

IC MCU 8BIT 256KB FLASH 64TQFP

Supplier's Site Datasheet
Microcontrollers - ATMEGA2561-16AU - ODG (Origin Data Global)
Shenzhen, China
Microcontrollers
ATMEGA2561-16AU
Microcontrollers ATMEGA2561-16AU
IC MCU 8BIT 256KB FLASH 64TQFP

IC MCU 8BIT 256KB FLASH 64TQFP

Supplier's Site Datasheet
Microcontrollers - ATMEGA2561-16AU - ODG (Origin Data Global)
Shenzhen, China
Microcontrollers
ATMEGA2561-16AU
Microcontrollers ATMEGA2561-16AU
IC MCU 8BIT 256KB FLASH 64TQFP

IC MCU 8BIT 256KB FLASH 64TQFP

Supplier's Site Datasheet
Sheung Wan, Hong Kong
8-bit Microcontrollers - MCU
ATMEGA2561-16AU
8-bit Microcontrollers - MCU ATMEGA2561-16AU
8-bit Microcontrollers - MCU 256kB Flash 4kB EEPROM 54 I/O Pins

8-bit Microcontrollers - MCU 256kB Flash 4kB EEPROM 54 I/O Pins

Buy Now Datasheet
Microcontroller Mcu, 8 Bit, Atmega, 16Mhz, Tqfp-64; Product Range Microchip - 68T2788 - Newark, An Avnet Company
Chicago, IL, United States
Microcontroller Mcu, 8 Bit, Atmega, 16Mhz, Tqfp-64; Product Range Microchip
68T2788
Microcontroller Mcu, 8 Bit, Atmega, 16Mhz, Tqfp-64; Product Range Microchip 68T2788
MICROCONTROLLER MCU, 8 BIT, ATMEGA, 16MHZ, TQFP-64; Product Range:AVR ATmega Family ATmega256X Series Microcontrollers; CPU Speed:16MHz; Program Memory Size:256KB; RAM Memory Size:8KB; No. of Pins:64Pins; MCU Case Style:TQFP RoHS Compliant: Yes

MICROCONTROLLER MCU, 8 BIT, ATMEGA, 16MHZ, TQFP-64; Product Range:AVR ATmega Family ATmega256X Series Microcontrollers; CPU Speed:16MHz; Program Memory Size:256KB; RAM Memory Size:8KB; No. of Pins:64Pins; MCU Case Style:TQFP RoHS Compliant: Yes

Supplier's Site Datasheet

Technical Specifications

  ERSAELECTRONICS PTE. LTD. Win Source Electronics RS Components, Ltd. RS Components, Ltd. DigiKey Shenzhen Shengyu Electronics Technology Limited Quarktwin Technology Ltd. LCSC Electronics Technology (HK) Limited Lingto Electronic Limited ODG (Origin Data Global) VAST STOCK CO., LIMITED Newark, An Avnet Company
Product Category Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU) Microcontrollers (MCU)
Product Number 685-ATMEGA2561-16AU 010416-ATMEGA2561-16AU 1278286P 1278286 ATMEGA2561-16AU-ND ATMEGA2561-16AU ATMEGA2561-16AU ATMEGA2561-16AU ATMEGA2561-16AU ATMEGA2561-16AU ATMEGA2561-16AU 68T2788
Product Name 8-bit 8BIT 256KB Embedded Microcontroller MCU Embedded - Embedded - Microcontrollers - ATMEGA2561-16AU Microcontrollers Microcontrollers Microcontrollers Integrated Circuits (ICs) - Embedded - Microcontrollers Microcontrollers Single Chip Microcomputer/Microcontroller >> Microcontroller Units (MCUs/MPUs/SOCs) Embedded - Microcontrollers Microcontrollers 8-bit Microcontrollers - MCU Microcontroller Mcu, 8 Bit, Atmega, 16Mhz, Tqfp-64; Product Range Microchip
Data Bus 8 Bit 8 Bit 8 Bit; 8bit 8 Bit; 8bit 8 Bit 8 Bit; 8-Bit 8 Bit; 8-Bit 8 Bit 8 Bit
Clock Speed 16 MHz 16 MHz 16 MHz 16 MHz 16 MHz 16 MHz 16 MHz
RAM 8 KB 256 KB 8 KB 8 KB 8 KB 8 KB 8 KB 8 KB 8 KB
ROM 4 KB 4 KB 256 KB 256 KB
ROM Type EEPROM; EEPROM Flash; FLASH Flash EEPROM; Flash Flash; FLASH
Unlock Full Specs
to access all available technical data

Similar Products

Low-Power 1 GHz Embedded Microcontroller MCU - 879-CC1310F64RSMR - ERSAELECTRONICS PTE. LTD.
Specs
Supply Voltage 1.8 to ? volts
Operating Temperature -40 C (-40 F)
View Details
2 suppliers
Microcontrollers - 428468 - RS Components, Ltd.
RS Components, Ltd.
Specs
Data Bus 32 Bit; 32bit
ROM 256 KB
Package Type Other; QFN
View Details
Microcontrollers - A2C01835400 - Quarktwin Technology Ltd.
Infineon Technologies AG
Specs
Life Cycle Stage Removed; Obsolete
View Details
2 suppliers
Embedded - Microcontrollers - 73S1209F-44IM/F - Lingto Electronic Limited
Specs
Data Bus 8 Bit; 8-Bit
View Details