Microchip Technology, Inc. Microcontrollers ATXMEGA256A3U-MH

AVR AVR® XMEGA® A3U Microcontroller IC 8/16-Bit 32MHz 256KB (128K x 16) FLASH 64-QFN (9x9)

IC MCU 8/16BIT 256KB FLASH 64QFN

MCU 8-bit/16-bit XMEGA AVR 256KB Flash

MCU 8-bit/16-bit XMEGA AVR 256KB Flash

Manufacturer: Microchip Technology
Win Source Part Number: 079323-ATXMEGA256A3U-MH
Packaging: Tray
Core Processor: AVR
Number of I/O: 50
Program Memory Size: 256KB (128K x 16)
Program Memory Type: FLASH
EEPROM Size: 4K x 8
Data Converters: A/D 16x12b; D/A 2x12b
Family Name: ATxmega256A3U
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 64-QFN (9x9)
Speed(Frequency): 32MHz
Supply Voltage - Operating: 1.6 V to 3.6 V
Part Core Size: 8/16-Bit
Data RAM Size: 16K x 8
Alternative Parts (Cross-Reference): ATxmega256A3U-MHR;
Introduction Date: July 12, 2011
ECCN: 5A992.c
Country of Origin: Republic of Korea
Estimated EOL Date: 2026
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 68 pct.
Supply and Demand Status: Limited

IC MCU 8/16BIT 256KB FLASH 64QFN Product overview: ATXMEGA256A3U-MH 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 16-bit, 16BIT, 256KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 16-bit, 16BIT, 256KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-ATXMEGA256A3U-MH can be used for catalog matching and distributor lookup.