LM3S9B90-IQC80-C5 Texas Instruments Integrated Circuit (Quad Flat Packages) In Stock
The LM3S9B90-IQC80-C5 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments with on-chip ADC, DMA, JTAG boundary scan, and 60 I/O lines. It is packaged in a 100-pin LQFP package with a 1.40 mm profile for compact PCB integration. Available from stock worldwide with competitive pricing.
- Manufacturer
- Texas Instruments
- Package
- Quad Flat Packages
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S9B90-IQC80-C5 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 LM3S9B90-IQC80-C5?
- 32-bit ARM Cortex-M3 core delivers deterministic real-time performance with hardware divide and Thumb-2 instruction set for embedded control
- On-chip ADC with DMA support enables autonomous analog data acquisition without CPU intervention, freeing cycles for control tasks
- 60 I/O lines and JTAG boundary scan facilitate direct peripheral connectivity and board-level debugging in complex embedded designs
- 100-pin LQFP package with 1.40 mm body height suits industrial panels and embedded computing boards requiring a low-profile component
What is LM3S9B90-IQC80-C5 used for?
The LM3S9B90-IQC80-C5 is used in industrial automation controllers, motor drives, and building management systems where a 32-bit ARM Cortex-M3 core with integrated ADC and DMA provides the processing power to handle multiple concurrent control loops. Its 60 I/O lines make it suitable for machine control panels that interface with numerous digital sensors, relay outputs, and communication peripherals simultaneously. Embedded networking gateways and energy metering equipment also use it to combine analog signal measurement via the on-chip ADC with high-speed data processing and serial communications in a single 100-pin LQFP package.
What are the specifications of LM3S9B90-IQC80-C5?
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | CORTEX-M3 |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| JESD-30 Code | S-PQFP-G100 |
| Number of I/O Lines | 60 |
| 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) | 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 | Quad Flat Packages |
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 LM3S9B90-IQC80-C5 datasheet?
LM3S9B90-IQC80-C5 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S9B90-IQC80-C5?
Compatible alternatives and drop-in replacements for LM3S9B90-IQC80-C5:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 80MHz, CMOS, PQFP100
Frequently Asked Questions
What CPU core and I/O count does the LM3S9B90-IQC80-C5 provide for industrial embedded control designs?
The LM3S9B90-IQC80-C5 is based on a 32-bit ARM Cortex-M3 core and provides 60 I/O lines within a 100-pin LQFP package; the Cortex-M3 architecture supports hardware divide, bit-banding, and Thumb-2 instructions, enabling tight real-time control loops for motor drives, PLC I/O modules, and industrial HMI panels that require deterministic interrupt latency.
How does the on-chip ADC and DMA combination in the LM3S9B90-IQC80-C5 benefit high-throughput analog data acquisition?
With both an on-chip ADC and DMA channels, the LM3S9B90-IQC80-C5 can continuously stream ADC samples directly to memory without CPU intervention; this autonomous transfer path allows the Cortex-M3 to execute control algorithms at full speed while the DMA fills sample buffers in the background, which is critical in energy metering or vibration analysis applications sampling multiple channels at rates above 10 ksps.
What package does the LM3S9B90-IQC80-C5 use and how does JTAG boundary scan support board-level testing?
The LM3S9B90-IQC80-C5 is housed in a 100-pin LQFP package with a 1.40 mm body height and standard 0.5 mm pin pitch; its integrated JTAG boundary scan (compliant with IEEE 1149.1) allows automated in-circuit test equipment to verify solder joint integrity and PCB connectivity on all 60 I/O pins without external test points, reducing manufacturing test time for medium-to-high volume production runs.
When is the LM3S9B90-IQC80-C5 a suitable alternative to a higher-end Cortex-M4 MCU for a motor-control application?
The LM3S9B90-IQC80-C5 is a suitable alternative when the control algorithm does not require single-precision floating-point hardware — which the Cortex-M4F FPU provides but the Cortex-M3 does not — and the 60 I/O lines, on-chip ADC, and DMA channels already satisfy the peripheral count; choosing the Cortex-M3 device reduces unit cost and power consumption compared to Cortex-M4 parts with FPUs for applications using fixed-point math, such as brushed DC or stepper motor PWM control below 100 kHz.
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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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