LM3S1B21-IQC80-C3T Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM3S1B21-IQC80-C3T is a 32-bit ARM Cortex-M3 microcontroller running up to 16 MHz with 67 I/O lines and DMA support. It integrates ADC and is packaged in a 100-pin PQFP. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1B21-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 LM3S1B21-IQC80-C3T?
- 32-bit ARM Cortex-M3 core operating at up to 16 MHz for efficient embedded processing
- 67 I/O lines and integrated DMA channels enabling high-throughput peripheral communication
- Integrated ADC supporting analog signal acquisition in a 100-pin PQFP package
What is LM3S1B21-IQC80-C3T used for?
The LM3S1B21-IQC80-C3T is designed for industrial automation, building control systems, and motor drive applications requiring 32-bit processing with extensive I/O. Its DMA support and 67 I/O lines make it well-suited for data acquisition systems and communication gateways. The 100-pin PQFP package provides flexible PCB integration for medium-complexity embedded designs.
What are the specifications of LM3S1B21-IQC80-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-G100 |
| Number of I/O Lines | 67 |
| 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 | 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 LM3S1B21-IQC80-C3T datasheet?
LM3S1B21-IQC80-C3T Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for LM3S1B21-IQC80-C3T?
Compatible alternatives and drop-in replacements for LM3S1B21-IQC80-C3T:
Frequently Asked Questions
How many I/O lines does LM3S1B21-IQC80-C3T provide and what connectivity does that enable?
The LM3S1B21-IQC80-C3T provides 67 I/O lines, enabling simultaneous connection to multiple sensors, actuators, and communication peripherals such as UART, SPI, and I2C buses in industrial control designs.
What is the maximum clock frequency of LM3S1B21-IQC80-C3T and how does it compare to typical Cortex-M0 devices?
LM3S1B21-IQC80-C3T runs at up to 16 MHz on its 32-bit ARM Cortex-M3 core, delivering higher instruction throughput and superior interrupt handling compared to 8-bit or Cortex-M0 microcontrollers at similar clock speeds.
Does LM3S1B21-IQC80-C3T support DMA and what are its practical benefits for data-intensive applications?
Yes, LM3S1B21-IQC80-C3T includes DMA channels that offload CPU data transfers, enabling continuous ADC sampling and peripheral streaming at 16 MHz without stalling the main control loop in real-time applications.
What package does LM3S1B21-IQC80-C3T use and how does it affect PCB layout complexity?
LM3S1B21-IQC80-C3T uses a 100-pin PQFP package, providing 67 accessible I/O pins with 0.5 mm pitch, suitable for standard PCB processes while supporting dense peripheral routing in mid-complexity embedded boards.
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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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