LM3S2965-EQC50-A2 Texas Instruments Integrated Circuit (Other) In Stock
The LM3S2965-EQC50-A2 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments running at up to 50 MHz with ADC and boundary scan support. It integrates rich connectivity peripherals and requires a 3.3 V I/O supply for system flexibility. Available RoHS-compliant with worldwide distribution and competitive stocking from authorized distributors.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- END OF LIFE
- Datasheet
- LM3S2965-EQC50-A2 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S2965-EQC50-A2?
- 32-bit ARM Cortex-M3 core operating at up to 50 MHz delivers deterministic real-time performance for embedded control applications
- Integrated ADC and boundary scan (JTAG) capability simplifies analog signal acquisition and board-level debug in a single device
- 3.3 V I/O supply compatibility enables direct interfacing with modern low-voltage sensors, displays, and communication modules
What is LM3S2965-EQC50-A2 used for?
The LM3S2965-EQC50-A2 is designed for industrial automation controllers, motor drive systems, and building automation nodes that require a 32-bit Cortex-M3 processor with integrated ADC and deterministic 50 MHz execution. Its boundary scan support simplifies PCB-level testing and fault isolation in complex multi-board systems. The device is also well-suited for energy metering, HVAC control units, and smart sensor hubs where 3.3 V I/O interfacing reduces level-shifting complexity.
What are the specifications of LM3S2965-EQC50-A2?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Additional Feature | ALSO REQUIRES 3.3 V IO SUPPLY |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 50MHz |
| 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 I/O Lines | 56 |
| Number of Serial I/Os | 8 |
| 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, LOW PROFILE, FINE PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 65536 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| 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 |
Where can I find the LM3S2965-EQC50-A2 datasheet?
LM3S2965-EQC50-A2 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S2965-EQC50-A2?
Compatible alternatives and drop-in replacements for LM3S2965-EQC50-A2:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PQFP100
Frequently Asked Questions
What is the maximum clock frequency of the LM3S2965-EQC50-A2 and which real-time tasks can it handle at that speed?
The LM3S2965-EQC50-A2 runs the ARM Cortex-M3 core at up to 50 MHz. At this frequency it can execute deterministic interrupt service routines in under 1 µs, handle PID control loops for motor drives at 10 kHz update rates, and process 12-bit ADC samples while simultaneously managing UART or SPI communication channels without software bottlenecks.
How does the integrated ADC in the LM3S2965-EQC50-A2 simplify analog sensor acquisition in industrial designs?
The on-chip ADC eliminates the need for an external analog-to-digital converter IC, reducing BOM cost and board area by at least 2 components in a typical sensor-acquisition circuit. It supports multiple input channels and can be triggered by the internal timer, enabling precise 50 MHz-clocked sampling intervals aligned with the Cortex-M3 control loop cycle for synchronized data acquisition in industrial PLCs and energy meters.
When would the LM3S2965-EQC50-A2 be a stronger choice than a Cortex-M0-based microcontroller for a motor control application?
For motor control designs requiring hardware multiply-accumulate operations, nested vectored interrupts with sub-microsecond latency at 50 MHz, and simultaneous ADC sampling with boundary scan testability, the LM3S2965-EQC50-A2 outperforms Cortex-M0 devices. The Cortex-M3 architecture provides 32-bit single-cycle multiply, Thumb-2 instruction set efficiency, and deterministic interrupt priority grouping that Cortex-M0 cores lack.
What supply voltage and I/O requirements must a PCB designer account for when using the LM3S2965-EQC50-A2?
The LM3S2965-EQC50-A2 requires a separate 3.3 V I/O supply in addition to the core supply rail. Designers must provide a regulated 3.3 V plane for all GPIO and peripheral interface signals, which means a dedicated LDO or buck converter output must be allocated on the board power tree to avoid I/O voltage excursions that could damage the 3.3 V-rated pins during power sequencing.
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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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