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°C. 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°C to 85°C 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.
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.
Manufacturer: Microchip Technology
Win Source Part Number: 010416-ATMEGA2561-16
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
AVR AVR® ATmega Microcontroller IC 8-Bit 16MHz 256KB (128K x 16) FLASH 64-TQFP (14x14)
MCU AVR 256K Flash ISP 4K EEPROM TQFP64
MCU AVR 256K Flash ISP 4K EEPROM TQFP64
IC MCU 8BIT 256KB FLASH 64TQFP
IC MCU 8BIT 256KB FLASH 64TQFP
IC MCU 8BIT 256KB FLASH 64TQFP
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)
IC MCU 8BIT 256KB FLASH 64TQFP
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
8-bit Microcontrollers - MCU 256kB Flash 4kB EEPROM 54 I/O Pins
256KB 4.5V~5.5V AVR 8KB 16MHz FLASH 54 TQFP-64(14x14) Microcontroller Units (MCUs/MPUs/SOCs) ROHS
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | RS Components, Ltd. | RS Components, Ltd. | Shenzhen Shengyu Electronics Technology Limited | ODG (Origin Data Global) | Quarktwin Technology Ltd. | Lingto Electronic Limited | Newark, An Avnet Company | VAST STOCK CO., LIMITED | LCSC Electronics Technology (HK) Limited | |
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| 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 | ATMEGA2561-16AU-ND | 1278286P | 1278286 | ATMEGA2561-16AU | ATMEGA2561-16AU | ATMEGA2561-16AU | ATMEGA2561-16AU | 68T2788 | ATMEGA2561-16AU | ATMEGA2561-16AU |
| Product Name | 8-bit 8BIT 256KB Embedded Microcontroller MCU | Embedded - Embedded - Microcontrollers - ATMEGA2561-16AU | Microcontrollers | Microcontrollers | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers | Microcontrollers | Embedded - Microcontrollers | Microcontroller Mcu, 8 Bit, Atmega, 16Mhz, Tqfp-64; Product Range Microchip | 8-bit Microcontrollers - MCU | Single Chip Microcomputer/Microcontroller >> Microcontroller Units (MCUs/MPUs/SOCs) |
| Data Bus | 8 Bit | 8 Bit | 8 Bit | 8 Bit; 8bit | 8 Bit; 8bit | 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 | Flash; FLASH | EEPROM; Flash |
