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.
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
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.
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
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
IC MCU 8BIT 256KB FLASH 64TQFP
IC MCU 8BIT 256KB FLASH 64TQFP
IC MCU 8BIT 256KB FLASH 64TQFP
IC MCU 8BIT 256KB FLASH 64TQFP
256KB 4.5V~5.5V AVR 8KB 16MHz FLASH 54 TQFP-64(14x14) Microcontroller Units (MCUs/MPUs/SOCs) ROHS
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)
8-bit Microcontrollers - MCU 256kB Flash 4kB EEPROM 54 I/O Pins
| Win Source Electronics | ERSAELECTRONICS PTE. LTD. | DigiKey | RS Components, Ltd. | RS Components, Ltd. | Newark, An Avnet Company | Lingto Electronic Limited | ODG (Origin Data Global) | Shenzhen Shengyu Electronics Technology Limited | LCSC Electronics Technology (HK) Limited | Quarktwin Technology Ltd. | VAST STOCK CO., LIMITED | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 010416-ATMEGA2561-16AU | 685-ATMEGA2561-16AU | ATMEGA2561-16AU-ND | 1278286P | 1278286 | 68T2788 | ATMEGA2561-16AU | ATMEGA2561-16AU | ATMEGA2561-16AU | ATMEGA2561-16AU | ATMEGA2561-16AU | ATMEGA2561-16AU |
| Product Name | Embedded - Embedded - Microcontrollers - ATMEGA2561-16AU | 8-bit 8BIT 256KB Embedded Microcontroller MCU | Microcontrollers | Microcontrollers | Microcontrollers | Microcontroller Mcu, 8 Bit, Atmega, 16Mhz, Tqfp-64; Product Range Microchip | Embedded - Microcontrollers | Microcontrollers | Integrated Circuits (ICs) - Embedded - Microcontrollers | Single Chip Microcomputer/Microcontroller >> Microcontroller Units (MCUs/MPUs/SOCs) | Microcontrollers | 8-bit Microcontrollers - MCU |
| 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 | |||
| Life Cycle Stage | Active | Active | Active | |||||||||
| Clock Speed | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | 16 MHz | |||||
| RAM | 256 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | |||
| ROM | 4 KB | 4 KB | 256 KB | 256 KB |
