LM3S3826-IQR50-C3 Texas Instruments In Stock
LM3S3826-IQR50-C3 is a 32-bit ARM Cortex-M3 microcontroller by Texas Instruments from the Stellaris LM3S series. Key specs include 50 MHz clock, 128 KB Flash, 32 KB SRAM, and USB OTG with 10/100 Ethernet MAC. Available in stock with worldwide shipping for industrial and networking embedded designs.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S3826-IQR50-C3?
- 32-bit ARM Cortex-M3 core running at 50 MHz
- 128 KB Flash program memory and 32 KB SRAM
- Integrated USB OTG controller for host and device connectivity
- 10/100 Mbps Ethernet MAC for networked industrial applications
- Multiple UART, SPI, I2C, and CAN interfaces for system integration
- Industrial-grade temperature range (-40°C to +85°C)
What is LM3S3826-IQR50-C3 used for?
LM3S3826-IQR50-C3 is designed for networked industrial controllers, smart energy gateways, and building automation systems where Ethernet connectivity and USB OTG are needed alongside real-time 32-bit compute. It is also used in embedded HMI panels, motor drive controllers, and factory automation nodes requiring CAN bus, multiple serial interfaces, and 50 MHz Cortex-M3 performance.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
What are equivalent replacements for LM3S3826-IQR50-C3?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What connectivity interfaces does the LM3S3826-IQR50-C3 provide for industrial network designs?
The LM3S3826-IQR50-C3 integrates a 10/100 Mbps Ethernet MAC, USB OTG controller, CAN bus interface, and multiple UART and SPI ports, enabling a single-chip solution for industrial gateways that must bridge Ethernet, USB, and fieldbus protocols at 50 MHz Cortex-M3 throughput.
How do the 128 KB Flash and 32 KB SRAM capacities affect firmware complexity in the LM3S3826-IQR50-C3?
With 128 KB Flash, the device supports TCP/IP stacks, USB class drivers, and CAN protocol layers together within one firmware image, while 32 KB SRAM accommodates multiple packet buffers and real-time OS task stacks needed for networked industrial control running at 50 MHz.
What operating temperature range does the LM3S3826-IQR50-C3 support for factory floor deployments?
The -IQR suffix and C3 grade indicate an industrial-temperature part rated from -40°C to +85°C, making it suitable for factory automation equipment, outdoor energy meters, and control cabinets where ambient temperature exceeds the 0°C to +70°C range of commercial-grade alternatives.
When should an engineer select LM3S3826-IQR50-C3 over a simpler Cortex-M0 device for an embedded network node?
The LM3S3826-IQR50-C3 is chosen over Cortex-M0 parts when the design needs simultaneous Ethernet MAC, USB OTG, and CAN bus in hardware, or when the 50 MHz Cortex-M3 pipeline and 32 KB SRAM are needed to run a real-time OS with deterministic interrupt latency under 12 ns clock cycles.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”