LM3S1621-IQC80-C3In StockTexas Instruments
LM3S1621-IQC80-C3 is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments, featuring 16 MHz clock, 67 I/O lines, DMA channels, and ADC. Ideal for embedded control applications.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1621-IQC80-C3 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
Key Features
- 32-bit ARM Cortex-M3 core running at up to 16 MHz for efficient embedded processing
- 67 configurable I/O lines providing extensive connectivity for peripheral interfacing
- Integrated DMA controller enabling high-throughput data transfers without CPU overhead
- Built-in ADC for direct analog signal acquisition in sensor-based applications
- 100-pin PQFP package (JESD-30: S-PQFP-G100) with RoHS-compliant lead-free construction
Applications
The LM3S1621-IQC80-C3 is well suited for industrial automation and embedded control systems requiring reliable 32-bit processing with rich I/O. Its integrated ADC and DMA channels make it ideal for data acquisition, motor control, and smart sensor node designs. The device is also commonly used in building automation, consumer electronics, and communications equipment where low-power ARM Cortex-M3 performance is essential.
Specifications
| 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) | 32768 |
| ROM (words) | 131072 |
| 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, RISC |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 3 |
| HTS Code | 8542.31.00.25 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for LM3S1621-IQC80-C3:
Frequently Asked Questions
What is the maximum clock frequency of the LM3S1621-IQC80-C3?
The LM3S1621-IQC80-C3 operates at a maximum clock frequency of 16 MHz. This 32-bit ARM Cortex-M3 microcontroller from Texas Instruments delivers deterministic real-time performance suitable for embedded control and data acquisition applications.
What package type does the LM3S1621-IQC80-C3 use?
The LM3S1621-IQC80-C3 comes in a 100-pin Plastic Quad Flat Package (PQFP), designated S-PQFP-G100 per JESD-30 standards. It is RoHS-compliant and lead-free, making it suitable for modern eco-conscious designs.
Does the LM3S1621-IQC80-C3 include ADC and DMA capabilities?
Yes, the LM3S1621-IQC80-C3 integrates both an ADC (Analog-to-Digital Converter) and DMA (Direct Memory Access) channels. The ADC enables direct analog signal sampling, while DMA supports high-speed data transfers between peripherals and memory without burdening the CPU.
What are the typical applications for the LM3S1621-IQC80-C3?
The LM3S1621-IQC80-C3 is commonly used in industrial automation, motor control, building automation, smart sensor nodes, and consumer electronics. Its 67 I/O lines, integrated ADC, and DMA make it versatile for a wide range of embedded control systems.
Is the LM3S1621-IQC80-C3 a lead-free component?
Yes, the LM3S1621-IQC80-C3 is lead-free and RoHS-compliant, as indicated by its Pbfree Code: Yes. This makes it suitable for designs that must meet environmental and regulatory standards in global markets.
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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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