LM3S5R36-IQR80-C3T Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM3S5R36-IQR80-C3T is a 32-bit ARM Cortex-M3 microcontroller running at up to 80 MHz with 33 I/O lines, integrated ADC, and DMA channels in a 64-pin PQFP package. It combines on-chip peripherals suitable for embedded control and communications. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 64
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S5R36-IQR80-C3T Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LM3S5R36-IQR80-C3T?
- 32-bit ARM Cortex-M3 core clocked at up to 80 MHz for responsive embedded control tasks
- Integrated multi-channel ADC and DMA for efficient analog data acquisition without CPU overhead
- 33 GPIO lines in a compact 64-pin PQFP package enabling dense peripheral connectivity
- RoHS-compliant (Pb-free, JESD-609 e3) construction for environmentally conscious designs
What is LM3S5R36-IQR80-C3T used for?
The LM3S5R36-IQR80-C3T suits industrial automation panels, building automation controllers, and smart energy metering equipment that need a balanced mix of analog capture and digital control at 80 MHz. Its 33 I/O lines and integrated DMA allow designers to interface sensors, actuators, and communication buses simultaneously without bottlenecking the Cortex-M3 pipeline. The 64-pin PQFP package simplifies board layout for mid-density designs where through-hole debugging connectors and thermal margins are important.
What are the specifications of LM3S5R36-IQR80-C3T?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| 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 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | FLATPACK |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| ROM Programmability | FLASH |
| Speed | 80MHz |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 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 LM3S5R36-IQR80-C3T datasheet?
LM3S5R36-IQR80-C3T Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S5R36-IQR80-C3T?
Compatible alternatives and drop-in replacements for LM3S5R36-IQR80-C3T:
Frequently Asked Questions
How does the LM3S5R36-IQR80-C3T's 80 MHz Cortex-M3 core compare to a 16 MHz 8-bit MCU for sensor fusion tasks?
Running at 80 MHz, the LM3S5R36-IQR80-C3T's 32-bit ARM Cortex-M3 core delivers several times more MIPS than a 16 MHz 8-bit MCU, enabling concurrent multi-axis sensor fusion, real-time PID control loops with sub-1 ms cycle times, and protocol stacks in the same firmware image. The 32-bit data path reduces iteration counts on 16-bit or 32-bit sensor data compared to 8-bit architectures, improving both speed and code density.
Which embedded applications are best served by the LM3S5R36-IQR80-C3T's integrated ADC and DMA channels?
Applications such as power quality monitors sampling up to 12-bit analog waveforms at high rates, industrial HMI panels reading multiple 0–3.3 V sensor channels, and motor soft-starters needing continuous current feedback benefit from the integrated ADC and DMA. The DMA transfers ADC samples to memory without CPU intervention, freeing the 80 MHz core for filtering and control algorithms on 33 I/O-connected peripherals.
For a compact industrial control board, what PCB space does the 64-pin PQFP package of LM3S5R36-IQR80-C3T require?
The JESD-30 S-PQFP-G64 package typically measures 10 mm × 10 mm body with 0.5 mm pin pitch, requiring roughly 14 mm × 14 mm of PCB footprint including courtyard clearance on standard 4-layer FR4 designs. This footprint is compatible with automated SMT assembly lines, and the 64-pin count provides 33 usable GPIO lines plus power and ground planes within that compact 10 mm body area.
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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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