LM3S1620-IQC25-A2 Texas Instruments Integrated Circuit (Other) In Stock
Texas Instruments LM3S1620-IQC25-A2 is a 32-bit ARM Cortex-M3 Stellaris microcontroller with 52 GPIO lines and integrated ADC in a 100-pin LQFP package. Boundary scan support and rich peripheral set enable versatile embedded system designs. Available from stock worldwide with fast shipping.
- Manufacturer
- Texas Instruments
- Package
- Other
- Pin Count
- 100
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1620-IQC25-A2 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 with boundary scan capability supporting JTAG-based board-level testing in complex multi-chip embedded systems
- 52 general-purpose I/O lines in a 100-pin LQFP package providing ample connectivity for displays, keypads, sensors, and actuator interfaces
- Integrated ADC enabling direct analog sensor acquisition without external conversion hardware, reducing BOM cost and board area
- Stellaris family membership offering extensive TI ecosystem support including free StellarisWare software library, reference designs, and long-term silicon availability
Applications
The LM3S1620-IQC25-A2 suits industrial automation, building control, and embedded HMI applications where a high I/O count 32-bit MCU with integrated ADC is required in a standard LQFP footprint. Its boundary scan support simplifies board-level test strategies in high-density PCB assemblies found in medical devices and test instrumentation. The device is also used in motor control, data logging, and IoT gateway designs leveraging the TI Stellaris software ecosystem for rapid firmware development.
Specifications
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| Clock Frequency-Max | 0.032MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | S-PQFP-G100 |
| JESD-609 Code | e3 |
| Number of I/O Lines | 52 |
| 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 | 25MHz |
| Supply Voltage-Max | 2.75V |
| Supply Voltage-Min | 2.5V |
| Supply Voltage-Nom | 2.5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | 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, 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 LM3S1620-IQC25-A2:
Frequently Asked Questions
How many GPIO lines does the LM3S1620-IQC25-A2 provide?
The LM3S1620-IQC25-A2 offers 52 general-purpose I/O lines across its 100-pin LQFP package, providing sufficient connectivity for driving displays, reading keypads, interfacing sensors, and controlling actuators in complex embedded system designs without external I/O expanders.
What package does the LM3S1620-IQC25-A2 use?
The LM3S1620-IQC25-A2 is housed in a 100-pin plastic quad flat package (S-PQFP-G100 / LQFP-100) with 0.5 mm pitch, a standard footprint widely supported by PCB design tools and compatible with automated pick-and-place and reflow soldering assembly processes.
Does the LM3S1620-IQC25-A2 have an ADC?
Yes, the LM3S1620-IQC25-A2 includes an integrated analog-to-digital converter that enables direct connection to analog sensors and transducers, eliminating the need for a discrete ADC on the board and reducing total system cost and component count.
What is boundary scan, and does the LM3S1620-IQC25-A2 support it?
Boundary scan (IEEE 1149.1 JTAG) allows in-circuit testing of PCB interconnects without physical probe access. The LM3S1620-IQC25-A2 fully supports boundary scan, simplifying board-level test and debug in dense multi-layer assemblies common in industrial and medical electronics.
What software tools are available for developing with the LM3S1620-IQC25-A2?
Texas Instruments provides the StellarisWare peripheral driver library and example code for the Stellaris family, compatible with industry-standard IDEs including IAR EWARM, Keil MDK, and Code Composer Studio, enabling rapid firmware development with reusable HAL drivers for all on-chip peripherals.
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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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