LM3S3N26-IQR50-C3T Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM3S3N26-IQR50-C3T is a 32-bit ARM Cortex-M3 Stellaris microcontroller with integrated ADC, DMA, and 33 I/O lines running at up to 16MHz in a 64-pin LQFP package. It supports multiple UART, SPI, and I2C interfaces for industrial control and embedded connectivity applications. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S3N26-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 LM3S3N26-IQR50-C3T?
- 32-bit ARM Cortex-M3 core at 16MHz with integrated DMA controller for autonomous peripheral data transfers
- 33 GPIO lines with multiple UART, SPI, and I2C interfaces enabling dense connectivity in a 64-pin LQFP package
- Integrated multi-channel ADC supports analog sensor acquisition without external signal conditioning ICs
What is LM3S3N26-IQR50-C3T used for?
The LM3S3N26-IQR50-C3T is suited for industrial sensor gateways, building automation controllers, and smart metering devices that require a 32-bit Cortex-M3 core with rich serial peripheral support. Its 33 I/O lines and multi-channel ADC enable direct connection to analog sensors and digital peripherals in HVAC control boards and process monitoring equipment. The 64-pin LQFP package supports standard PCB assembly for low-to-mid volume production runs in embedded systems.
What are the specifications of LM3S3N26-IQR50-C3T?
| 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 |
| 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 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 LM3S3N26-IQR50-C3T datasheet?
LM3S3N26-IQR50-C3T Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S3N26-IQR50-C3T?
Compatible alternatives and drop-in replacements for LM3S3N26-IQR50-C3T:
Frequently Asked Questions
What is the maximum operating clock frequency of LM3S3N26-IQR50-C3T and how does it affect real-time control performance?
LM3S3N26-IQR50-C3T operates at a maximum clock frequency of 16MHz on its 32-bit ARM Cortex-M3 core, delivering up to 16 MIPS of processing throughput. This is sufficient for real-time PID control loops, serial protocol handling, and sensor data processing in industrial automation and building control applications.
How many GPIO lines does LM3S3N26-IQR50-C3T provide and which serial interfaces are available?
LM3S3N26-IQR50-C3T provides 33 GPIO lines and integrates multiple UART, SPI, and I2C peripherals on-chip within its 64-pin LQFP package. This combination supports simultaneous connections to RS-232/485 adapters via UART, SPI-based sensor modules, and I2C EEPROMs or RTC chips without requiring external interface bridge ICs.
When would LM3S3N26-IQR50-C3T be chosen over LM3S1Z16-IQR50-C3 in an embedded design?
LM3S3N26-IQR50-C3T is preferred when the application requires the specific peripheral set of the 3N26 variant — such as additional Ethernet MAC, USB, or CAN controller blocks — at a lower cost or different qualification tier than LM3S1Z16-IQR50-C3, while both share the 64-pin LQFP footprint and ARM Cortex-M3 architecture for drop-in hardware compatibility.
Can LM3S3N26-IQR50-C3T directly interface with a 12-bit analog sensor without external signal conditioning?
Yes, LM3S3N26-IQR50-C3T includes an on-chip ADC with multiple input channels capable of 12-bit resolution analog-to-digital conversion, allowing direct connection to standard 0V to 3.3V analog sensor outputs such as temperature transducers, pressure sensors, and potentiometers without requiring external op-amp buffers or level-shifting circuits.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
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.
More from Texas Instruments
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ACS770ECB-200U-PFF-T
Allegro Microsystems
Integrated Circuit
ACS770KCB-150U-PFF-T
Allegro Microsystems
Integrated Circuit
MC33901WEF
NXP
Integrated Circuit
MC7808BDTRKG
ON Semiconductor
Integrated Circuit
PA94EC
Apex Microtechnology
Integrated Circuit
AP7315-28SR-7
Diodes Inc.
Integrated Circuit
74HCT245D
Nexperia
Integrated Circuit
CY62256VNLL-70ZXCT
Cypress Semiconductor
Integrated Circuit
EPM7032AETC44-4N
Intel
Integrated Circuit
EPM3512AQC208-10N
Intel
Integrated Circuit
EPM3256ATC144-7N
Intel
Integrated Circuit
EPM3256AQC208-7N
Intel
Integrated Circuit
EPM3256AQC208-10N
Intel
Integrated Circuit
EPM3128ATC100-7N
Intel
Integrated Circuit
EPM1270F256C4N
Intel
Integrated Circuit
EPF8282ATC100-4N
Intel
Integrated Circuit
EPF6016QC208-2N
Intel
Integrated Circuit
EPF6016ATC144-3N
Intel
Integrated Circuit
EPF10K30ATC144-3N
Intel
Integrated Circuit
EPC2TI32N
Intel
Integrated Circuit
EPC2LC20
Intel
Integrated Circuit
EP3SL150F1152C4N
Intel
Integrated Circuit
EP2SGX60DF780C5N
Intel
Integrated Circuit
EP2SGX60CF780C5N
Intel
Integrated Circuit