IC MCU 32BIT 256KB FLASH 144LQFP Product overview: AT32UC3A3256-ALUR 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 32-bit, 32BIT, 256KB. Search-friendly keywords include microcontroller, MCU, embedded control, ARM Cortex, Flash memory, low-power, 32-bit, 32BIT, 256KB, Embedded Microcontroller MCU. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 685-AT32UC3A3256-ALU
AVR AVR®32 UC3 A3 Microcontroller IC 32-Bit Single-Core 66MHz 256KB (256K x 8) FLASH 144-LQFP (20x20)
AVR AVR®32 UC3 A3 Microcontroller IC 32-Bit Single-Core 66MHz 256KB (256K x 8) FLASH 144-LQFP (20x20)
AVR AVR®32 UC3 A3 Microcontroller IC 32-Bit Single-Core 66MHz 256KB (256K x 8) FLASH 144-LQFP (20x20)
IC MCU 32BIT 256KB FLASH 144LQFP
Manufacturer: Microchip Technology
Win Source Part Number: 143703-AT32UC3A3256-
Packaging: Reel - TR
Core Processor: AVR
Number of I/O: 110
Program Memory Size: 256KB (256K x 8)
Program Memory Type: FLASH
Data Converters: A/D 8x10b
Categories: Integrated Circuits
Status: Active
Temperature Range - Operating: -40°C to 85°C (TA)
Case / Package: 144-LQFP (20x20)
Speed(Frequency): 66MHz
Supply Voltage - Operating: 1.75 V to 3.6 V
Part Core Size: 32-Bit
Data RAM Size: 128K x 8
Popularity: Medium
Fake Threat In the Open Market: 51 pct.
Supply and Demand Status: Limited
IC MCU 32BIT 256KB FLASH 144LQFP
AVR AVR®32 UC3 A3 Microcontroller IC 32-Bit Single-Core 66MHz 256KB (256K x 8) FLASH 144-LQFP (20x20)
IC MCU 32BIT 256KB FLASH 144LQFP
32-bit Microcontrollers - MCU 256KB, 144LQFP Ind
MICROCONTROLLER MCU, 32 BIT, AVR32, 66MHZ, LQFP-144; Product Range:AT32 Family AT32UC3A Series Microcontrollers; Architecture:AVR32; No. of Bits:32bit; CPU Speed:66MHz; Program Memory Size:256KB; RAM Memory Size:128KB; MSL:- RoHS Compliant: Yes
MCU, 32BIT, 84MHZ, LQFP-144; Product Range:AT32 Family AT32UC3A Series Microcontrollers; Architecture:AVR32; No. of Bits:32bit; CPU Speed:84MHz; Program Memory Size:256KB; RAM Memory Size:128KB; No. of Pins:144Pins RoHS Compliant: Yes
| ERSAELECTRONICS PTE. LTD. | DigiKey | ODG (Origin Data Global) | Win Source Electronics | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | Lingto Electronic Limited | VAST STOCK CO., LIMITED | Newark, An Avnet Company | Newark, An Avnet Company | |
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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) |
| Product Number | 685-AT32UC3A3256-ALUR | AT32UC3A3256-ALURCT-ND | AT32UC3A3256-ALUR | 143703-AT32UC3A3256-ALUR | AT32UC3A3256-ALUR | AT32UC3A3256-ALUR | AT32UC3A3256-ALUR | AT32UC3A3256-ALUR | 72T3211 | 68T4502 |
| Product Name | 32-bit 32BIT 256KB Embedded Microcontroller MCU | Microcontrollers | Microcontrollers | Embedded - Embedded - Microcontrollers - AT32UC3A3256-ALUR | Integrated Circuits (ICs) - Embedded - Microcontrollers | Microcontrollers | Embedded - Microcontrollers | 32-bit Microcontrollers - MCU | Microcontroller Mcu, 32 Bit, Avr32, 66Mhz, Lqfp-144; Product Range Microchip | Mcu, 32Bit, 84Mhz, Lqfp-144; Product Range Microchip |
| Data Bus | 32 Bit | 32 Bit | 32 Bit | 32 Bit | 32 Bit | 32 Bit; 32-Bit Single-Core | 32 Bit; 32-Bit | 32 Bit | 32 Bit | |
| Clock Speed | 84 MHz | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 84 MHz | ||
| RAM | 128 KB | 128 KB | 128 KB | 256 KB | 128 KB | 128 KB | 128 KB | 128 KB | ||
| Supply Voltage | 1.75 to 3.6 volts | 1.75 to 3.6 volts | 1.75 to 3.6 volts | 1.75 to 3.6 volts | 3.6 volts | |||||
| Serial Interface | I2C/SPI/USART/USB | SPI; UART; USART; USB |
