LM3S5749-IQC50-A0T Texas Instruments Integrated Circuit (Other) In Stock
The Texas Instruments LM3S5749-IQC50-A0T is a 32-bit ARM Cortex-M3 microcontroller with integrated ADC, boundary scan support, and fixed-point processing, operating at up to 50 MHz. It provides a rich peripheral set suitable for embedded control applications requiring reliable real-time performance. Available in a compact QFP package, it offers RoHS-compliant lead-free construction and worldwide availability for embedded system designers.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- NOT RECOMMENDED
- Datasheet
- LM3S5749-IQC50-A0T 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
Key Features
- 32-bit ARM Cortex-M3 core delivering deterministic real-time performance with integrated boundary scan for in-system testability
- On-chip ADC with fixed-point processing engine enabling direct sensor signal acquisition without external conversion hardware
- RoHS-compliant lead-free QFP package supporting industrial-grade temperature requirements for robust embedded control deployments
Applications
The LM3S5749-IQC50-A0T is well-suited for industrial automation, motor control, and building management systems requiring a capable 32-bit ARM Cortex-M3 processor with integrated analog front-end. Its on-chip ADC and boundary scan capability make it popular in instrumentation designs and factory test environments where in-circuit diagnostics are critical. The device also finds use in networked embedded control nodes where a balance of processing power, peripheral integration, and compact packaging is essential.
Specifications
| Pbfree Code | Yes |
| YTEOL | 3.9 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| Format | FIXED POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PQFP-G100 |
| JESD-609 Code | e4 |
| Low Power Mode | YES |
| Number of DMA Channels | 32 |
| Number of I/O Lines | 61 |
| Number of Serial I/Os | 3 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| 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) | 65536 |
| ROM (words) | 65536 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| Supply Current-Max | 25mA |
| Supply Voltage-Max | 2.75V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| 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 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.75 |
| Country of Origin | Philippines |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S5749-IQC50-A0T:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP100
Frequently Asked Questions
What processor core does the LM3S5749-IQC50-A0T use and at what maximum clock speed?
The LM3S5749-IQC50-A0T is based on the 32-bit ARM Cortex-M3 CPU family and is rated for operation up to 50 MHz, providing deterministic interrupt latency and efficient fixed-point arithmetic for real-time embedded control tasks.
Does the LM3S5749-IQC50-A0T include an analog-to-digital converter?
Yes, the LM3S5749-IQC50-A0T integrates an on-chip ADC, allowing direct connection of analog sensors or signal sources without requiring external conversion circuitry, which simplifies board design and reduces component count.
What package type is used for the LM3S5749-IQC50-A0T?
The LM3S5749-IQC50-A0T is provided in a QFP (Quad Flat Package) format classified as 'Other' in the standard SOIC/QFP taxonomy, offering a surface-mount footprint suitable for compact PCB layouts in embedded system designs.
Is the LM3S5749-IQC50-A0T RoHS compliant?
Yes, the LM3S5749-IQC50-A0T carries a Pb-free code of 'Yes,' confirming it meets RoHS lead-free manufacturing requirements and is suitable for environmentally compliant production processes across global markets.
What applications is the LM3S5749-IQC50-A0T best suited for?
The LM3S5749-IQC50-A0T targets industrial automation, motor control, building management, and instrumentation applications, leveraging its Cortex-M3 core, integrated ADC, and boundary scan capability to deliver a cost-effective 32-bit solution for mid-range embedded control designs.
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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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