LM3S1Z16-IQR50-C3 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
Texas Instruments LM3S1Z16-IQR50-C3 is a 32-bit ARM Cortex-M3 Stellaris microcontroller running at up to 50MHz with integrated ADC, DMA, and multiple serial interfaces in a 64-pin LQFP package. It delivers 50 MIPS performance with on-chip flash and SRAM for industrial control and embedded applications. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1Z16-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 LM3S1Z16-IQR50-C3?
- 32-bit ARM Cortex-M3 core running at up to 50MHz with 50 MIPS peak performance for demanding embedded control tasks
- Integrated multi-channel ADC with DMA support enables autonomous data acquisition without CPU intervention
- 64-pin LQFP package with multiple UART, SPI, and I2C interfaces simplifies connectivity in industrial designs
What is LM3S1Z16-IQR50-C3 used for?
The LM3S1Z16-IQR50-C3 targets industrial automation equipment, motor control boards, and building automation panels that require a 32-bit Cortex-M3 core with real-time peripheral integration. Its 50MHz clock and DMA channels make it effective in data-logging instruments, smart energy meters, and factory communication gateways needing simultaneous serial and analog data handling. The 64-pin LQFP package fits standard PCB assembly processes for mid-complexity embedded designs.
What are the specifications of LM3S1Z16-IQR50-C3?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| Clock Frequency-Max | 50MHz |
| 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) | 6144 |
| ROM (words) | 16384 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| Supply Voltage-Max | 1.32V |
| Supply Voltage-Min | 1.2V |
| Supply Voltage-Nom | 1.2V |
| 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 | Quad Flat Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| ECCN | 3A991.a.2 |
| HTS Code | 8542.31.00.25 |
Where can I find the LM3S1Z16-IQR50-C3 datasheet?
LM3S1Z16-IQR50-C3 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S1Z16-IQR50-C3?
Compatible alternatives and drop-in replacements for LM3S1Z16-IQR50-C3:
Frequently Asked Questions
What maximum clock frequency does the LM3S1Z16-IQR50-C3 Cortex-M3 core support?
The LM3S1Z16-IQR50-C3 operates at a maximum clock frequency of 50MHz, delivering up to 50 MIPS of processing throughput on its 32-bit ARM Cortex-M3 core, which is sufficient for real-time control loops, PID algorithms, and protocol handling in industrial embedded applications.
How does the DMA controller in LM3S1Z16-IQR50-C3 benefit sensor data acquisition designs?
The integrated DMA controller in LM3S1Z16-IQR50-C3 allows the ADC to transfer conversion results directly to SRAM without CPU intervention, enabling continuous 12-bit analog data capture at high throughput while the Cortex-M3 core executes control algorithms concurrently, reducing latency and improving system responsiveness.
Which industrial communication protocols are natively supported by LM3S1Z16-IQR50-C3?
LM3S1Z16-IQR50-C3 integrates multiple UART, SPI, and I2C peripheral blocks on-chip, supporting standard industrial protocols such as Modbus RTU over UART, SPI-based sensor interfaces, and I2C peripheral management — all accessible via its 64-pin LQFP package without requiring external bridge chips.
For a motor control PCB, how does the 64-pin LQFP package of LM3S1Z16-IQR50-C3 compare to smaller QFN options?
The 64-pin LQFP package uses a 10mm x 10mm footprint with 0.5mm pin pitch, which is larger than QFN alternatives but significantly easier to solder and inspect by hand or with standard reflow processes, making it preferable for prototype motor control boards and low-volume industrial production runs where assembly yield matters.
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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.
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