LM3S1N16-IQR50-C3 Texas Instruments Integrated Circuit (Other) In Stock
LM3S1N16-IQR50-C3 is a 32-bit ARM Cortex-M3 microcontroller running at up to 16 MHz, with integrated ADC, DMA channels, and a 64-pin LQFP package for industrial embedded applications. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1N16-IQR50-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 LM3S1N16-IQR50-C3?
- 32-bit ARM Cortex-M3 core at up to 16 MHz delivering deterministic real-time performance with hardware interrupt latency under 12 clock cycles
- Integrated multi-channel ADC and DMA engine enabling zero-CPU-overhead data transfers between peripherals and memory for sensor-heavy applications
- 64-pin LQFP (PQFP-G64) package offering a dense, solderable footprint with broad PCB design tool support for industrial and commercial MCU designs
What is LM3S1N16-IQR50-C3 used for?
The LM3S1N16-IQR50-C3 targets industrial automation, building control, and embedded instrumentation applications where a 32-bit ARM Cortex-M3 core at 16 MHz provides significantly more compute headroom than 8-bit alternatives. Its DMA channels offload serial communication and ADC sampling tasks from the CPU, enabling deterministic control loops in motor-drive and HVAC controller designs. The 64-pin LQFP package supports a rich peripheral mix while maintaining compatibility with standard PCB assembly processes.
What are the specifications of LM3S1N16-IQR50-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-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) | 12288 |
| ROM (words) | 65536 |
| 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 LM3S1N16-IQR50-C3 datasheet?
LM3S1N16-IQR50-C3 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S1N16-IQR50-C3?
Compatible alternatives and drop-in replacements for LM3S1N16-IQR50-C3:
Frequently Asked Questions
How does the 32-bit ARM Cortex-M3 core of LM3S1N16-IQR50-C3 at 16 MHz improve control loop performance over 8-bit PIC MCUs at the same clock?
At 16 MHz, the Cortex-M3 executes 32-bit arithmetic instructions in 1 clock cycle with a 3-stage pipeline, compared to 8-bit PIC MCUs that require multiple cycles for the same 32-bit operations. This allows PID control loops with floating-point emulation to run in under 10 µs on LM3S1N16, enabling faster sampling rates and tighter regulation in motor-control and closed-loop sensor applications.
What DMA capability does LM3S1N16-IQR50-C3 offer and how does it benefit ADC data collection?
The LM3S1N16-IQR50-C3 includes a DMA controller with multiple independent channels that can autonomously transfer ADC conversion results to RAM at rates up to 16 MHz bus speed without CPU intervention. This lets a 12-bit ADC sample at its full rate while the Cortex-M3 core processes prior samples, reducing effective conversion-to-processing latency and allowing continuous 8-channel simultaneous data acquisition in data-logger designs.
What footprint and pin pitch does the 64-pin LQFP package of LM3S1N16-IQR50-C3 require on a PCB?
The LQFP-64 package used by LM3S1N16-IQR50-C3 has a 10 mm x 10 mm body with a 0.5 mm pin pitch, which is compatible with standard 0402 SMT PCB design rules and automated pick-and-place assembly. This footprint is widely supported in KiCad, Altium, and Eagle libraries, simplifying schematic symbol and layout reuse across multiple board revisions in production programs.
What supply voltage and temperature range does LM3S1N16-IQR50-C3 support for industrial deployments?
LM3S1N16-IQR50-C3 operates from a 2.25 V to 3.75 V supply, centered on 3.3 V, and is rated for the industrial temperature range of -40 °C to +85 °C. The 'C3' grade suffix indicates a commercial qualification level; industrial deployments requiring AEC-Q100 or extended reliability should verify the specific grade documentation from Texas Instruments before committing to production volumes.
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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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