LM3S9B95-IQC80-C3T Texas Instruments Integrated Circuit (Other) In Stock
The LM3S9B95 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments' Stellaris family, clocked up to 80 MHz. It features 256 KB Flash, 96 KB SRAM, 65 GPIO lines, USB OTG, Ethernet MAC/PHY, and advanced analog peripherals in a 100-pin LQFP package.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S9B95-IQC80-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 LM3S9B95-IQC80-C3T?
- 32-bit ARM Cortex-M3 core running at up to 80 MHz for high-throughput embedded control
- Integrated Ethernet MAC with full-speed USB OTG enabling networked and USB-host device designs
- 256 KB Flash and 96 KB SRAM for code-intensive real-time applications
- 65 configurable GPIO lines with hardware DMA for flexible peripheral interfacing
- On-chip 12-bit ADC with 16 input channels and integrated analog comparators
What is LM3S9B95-IQC80-C3T used for?
The LM3S9B95 targets industrial automation, building control, and networked embedded systems where both Ethernet connectivity and USB OTG are required on a single chip. Its 80 MHz Cortex-M3 core with hardware DMA handles real-time motor control, energy metering, and data acquisition tasks alongside communication stacks. The 100-pin LQFP footprint and comprehensive peripheral set make it a strong fit for factory automation gateways, HVAC controllers, and smart instrumentation platforms.
What are the specifications of LM3S9B95-IQC80-C3T?
| Pbfree Code | Yes |
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | NO |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G100 |
| Number of I/O Lines | 65 |
| 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) | 98304 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Speed | 80MHz |
| Supply Voltage-Max | 1.32V |
| Supply Voltage-Min | 1.2V |
| Supply Voltage-Nom | 1.2V |
| 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, RISC |
| 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 LM3S9B95-IQC80-C3T datasheet?
LM3S9B95-IQC80-C3T Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S9B95-IQC80-C3T?
Compatible alternatives and drop-in replacements for LM3S9B95-IQC80-C3T:
Frequently Asked Questions
How fast is the LM3S9B95 CPU, and how much on-chip memory does it provide for application firmware?
The LM3S9B95 runs an ARM Cortex-M3 core at up to 80 MHz and integrates 256 KB Flash for program storage plus 96 KB SRAM for runtime data. These capacities comfortably accommodate FreeRTOS or lwIP TCP/IP stack alongside application code without external memory.
Which connectivity interfaces does the LM3S9B95 integrate, making it suitable for networked industrial designs?
The LM3S9B95 includes a 10/100 Ethernet MAC with integrated PHY, full-speed USB 2.0 OTG, two CAN 2.0 controllers, and multiple UART/SPI/I2C interfaces. This integration allows a single chip to serve as both an Ethernet gateway and a USB host/device simultaneously on 65 GPIO pins.
For a motor-drive application, what analog signal chain does the LM3S9B95 offer on-chip?
The LM3S9B95 includes a 12-bit SAR ADC with 16 input channels, on-chip analog comparators, and a motion-control PWM module with dead-band generation. These peripherals allow sensorless or sensored FOC motor control without additional external ADC or comparator ICs.
What package does the LM3S9B95-IQC80-C3T use, and how does that affect PCB layout planning?
The LM3S9B95-IQC80-C3T is housed in a 100-pin LQFP (JESD-30 S-PQFP-G100) with a 14 mm × 14 mm body and 0.5 mm pin pitch, requiring a fine-pitch PCB process. Designers should allocate decoupling capacitors on all VDD and VDDA pairs and plan for at least a 4-layer board for clean power distribution.
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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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