LM3S1816-IQR50-C3T Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM3S1816-IQR50-C3T is a 32-bit ARM Cortex-M3 microcontroller in a 64-pin LQFP package, running at up to 16 MHz with integrated ADC and DMA for embedded control applications. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1816-IQR50-C3T 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 LM3S1816-IQR50-C3T?
- 32-bit ARM Cortex-M3 CPU core clocked at up to 16 MHz delivering deterministic real-time control performance
- Integrated ADC and DMA channels enabling simultaneous data acquisition and peripheral transfers without CPU intervention
- 64-pin LQFP package with lead-free RoHS-compliant construction for industrial and commercial embedded designs
What is LM3S1816-IQR50-C3T used for?
The LM3S1816-IQR50-C3T is well-suited for industrial control systems, building automation, and motor drive applications that demand a 32-bit processor with integrated analog and DMA capabilities at a compact 64-pin LQFP footprint. Its Cortex-M3 architecture provides efficient interrupt handling and a deterministic response time, making it a strong fit for real-time closed-loop control designs. Energy monitoring equipment, HVAC controllers, and communication gateways requiring multiple serial interfaces also benefit from this device's peripheral integration.
What are the specifications of LM3S1816-IQR50-C3T?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 16MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G64 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 33 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | QFP64,.47SQ,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 Finish | MATTE TIN |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER |
| 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 LM3S1816-IQR50-C3T datasheet?
LM3S1816-IQR50-C3T Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S1816-IQR50-C3T?
Compatible alternatives and drop-in replacements for LM3S1816-IQR50-C3T:
Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP64
Frequently Asked Questions
What is the maximum CPU clock frequency of the LM3S1816-IQR50-C3T and how does it compare to higher-speed Stellaris variants?
The LM3S1816-IQR50-C3T ARM Cortex-M3 core runs at a maximum clock frequency of 16 MHz, which is lower than the 50 MHz or 80 MHz variants in the Stellaris family. This makes it ideal for cost-sensitive, low-power embedded control applications where 16 MHz throughput is sufficient and power consumption must be minimized. At 16 MHz the CPU can execute deterministic 32-bit instruction sequences meeting the requirements of most PID control loops and sensor fusion algorithms.
Does the LM3S1816-IQR50-C3T include an ADC, and what are its key analog acquisition parameters?
Yes, the LM3S1816-IQR50-C3T integrates an on-chip ADC with DMA support, allowing the CPU to initiate conversions and offload sample transfers without polling. The ADC supports multiple input channels and enables synchronous sampling for multi-channel sensor acquisition in industrial and motor-control applications. Combined with the 16 MHz Cortex-M3 core, the ADC-DMA path provides low-latency, high-throughput data acquisition suitable for closed-loop feedback systems operating at standard industrial control rates.
For a compact industrial PCB, how does the 64-pin LQFP package of the LM3S1816-IQR50-C3T affect layout?
The LM3S1816-IQR50-C3T is housed in a 64-pin LQFP package, which features a fine lead pitch requiring standard IPC-7351 Class B pad geometries for reliable solder joint formation. The quad flat body allows 4-sided pin access, simplifying trace routing compared to BGA alternatives, and its low-profile height under 1.6 mm is compatible with height-restricted enclosures common in industrial control modules and DIN rail equipment.
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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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