LM3S1811-IQC50-C3 Texas Instruments Integrated Circuit (Other) In Stock
The LM3S1811-IQC50-C3 is a 32-bit ARM Cortex-M3 Stellaris microcontroller from Texas Instruments operating at up to 50 MHz with 256 KB Flash, 64 KB SRAM, and 67 GPIO pins in a 100-pin LQFP package, designed for industrial embedded control applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1811-IQC50-C3 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S1811-IQC50-C3?
- 32-bit ARM Cortex-M3 core running at up to 50 MHz
- 256 KB on-chip Flash and 64 KB SRAM
- 67 configurable GPIO pins
- Integrated DMA controller for efficient data transfers
- 10/100 Ethernet MAC/PHY for network connectivity
- Multiple UART, SPI, and I2C communication interfaces
- 12-bit ADC with multiple input channels
- Operating voltage range of 2.25 V to 3.75 V
What is LM3S1811-IQC50-C3 used for?
The LM3S1811-IQC50-C3 targets industrial automation, building control, and networked embedded systems. Its Ethernet MAC/PHY and rich peripheral set make it suitable for remote monitoring, motor control, and industrial gateway applications. The 32-bit Cortex-M3 core and large memory footprint also support real-time data acquisition and control tasks.
What are the specifications of LM3S1811-IQC50-C3?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| Clock Frequency-Max | 16MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G100 |
| Number of I/O Lines | 67 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP100,.63SQ,20 |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 32768 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 3.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.25 |
Where can I find the LM3S1811-IQC50-C3 datasheet?
LM3S1811-IQC50-C3 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S1811-IQC50-C3?
Compatible alternatives and drop-in replacements for LM3S1811-IQC50-C3:
Frequently Asked Questions
How much Flash and SRAM does the LM3S1811-IQC50-C3 provide for firmware storage and runtime data?
The LM3S1811-IQC50-C3 includes 256 KB of on-chip Flash memory for program storage and 64 KB of SRAM for runtime data, providing ample space for complex embedded firmware and real-time operating systems in industrial applications.
Which communication interfaces are available on the LM3S1811-IQC50-C3 for connecting peripherals and networks?
The microcontroller integrates 10/100 Ethernet MAC/PHY, multiple UART ports, SPI, I2C, and CAN interfaces, enabling connections to sensors, actuators, and Ethernet networks. The device supports up to 67 I/O lines for flexible system integration at 3.3 V logic levels.
For industrial control designs, what is the maximum CPU clock frequency of the LM3S1811-IQC50-C3?
The LM3S1811-IQC50-C3 ARM Cortex-M3 core operates at a maximum clock frequency of 50 MHz, delivering 50 DMIPS of processing power sufficient for real-time control loops, protocol stacks, and sensor data processing in industrial systems.
What operating temperature range does the LM3S1811-IQC50-C3 support in harsh environments?
The LM3S1811-IQC50-C3 is rated for an industrial operating temperature range of -40°C to 85°C, making it suitable for outdoor industrial equipment, factory automation, and other environments with wide ambient temperature variations.
How does the 100-pin LQFP package of the LM3S1811-IQC50-C3 affect PCB design for embedded control boards?
The 100-pin LQFP package with a 14 mm x 14 mm body and 0.5 mm pin pitch provides standard through-reflow assembly. With 67 GPIO pins accessible, designers can route multiple buses and analog inputs without requiring additional I/O expansion chips for most embedded control applications.
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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.
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