LM3S8938-IBZ50-A2T Texas Instruments Integrated Circuit (BGA) In Stock
The LM3S8938-IBZ50-A2T is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments' Stellaris family, featuring 256KB Flash memory and operating at up to 50 MHz with 2.5V, 3V, or 3.3V supply. It integrates 38 I/O lines, ADC, and boundary scan capability in a 108-pin NFBGA package. Designed for industrial embedded control and connectivity applications, from competitive pricing in stock worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- BGA
- Pin Count
- 108
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S8938-IBZ50-A2T 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 RISC core running at up to 50 MHz for high-performance embedded control and real-time processing
- 256KB on-chip Flash memory enabling storage of complex firmware and application code without external memory devices
- Integrated ADC and 38 configurable I/O lines supporting diverse sensor interfaces and peripheral connectivity in industrial designs
- 108-pin NFBGA package with JTAG boundary scan support for compact PCB integration and production-level testability
Applications
The LM3S8938-IBZ50-A2T is suited for industrial control systems, building automation, and embedded networking applications requiring a high-performance 32-bit processor with rich peripheral integration. Its ARM Cortex-M3 core and on-chip Flash simplify firmware development for applications such as motor control, sensor aggregation, and human-machine interfaces. The device is ideal for portable instrumentation and IoT edge nodes operating at 3.3V or lower supply voltages.
Specifications
| YTEOL | 0 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| Clock Frequency-Max | 8.192MHz |
| DAC Channels | NO |
| DMA Channels | NO |
| JESD-30 Code | S-PBGA-B108 |
| JESD-609 Code | e1 |
| Number of I/O Lines | 38 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | BGA108,12X12,32 |
| Package Shape | SQUARE |
| Package Style | GRID ARRAY |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 65536 |
| ROM (words) | 262144 |
| ROM Programmability | FLASH |
| Speed | 50MHz |
| 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 SILVER COPPER |
| Terminal Form | BALL |
| Terminal Pitch | 0.8mm |
| Terminal Position | BOTTOM |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | BGA |
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 LM3S8938-IBZ50-A2T:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M3 CPU, 50MHz, CMOS, PBGA108
Frequently Asked Questions
What processor core does the LM3S8938-IBZ50-A2T use and what is its clock speed?
The LM3S8938-IBZ50-A2T uses a 32-bit ARM Cortex-M3 RISC core operating at up to 50 MHz, providing strong real-time processing performance for embedded control tasks in industrial, automotive, and connected systems.
How much Flash memory does the LM3S8938-IBZ50-A2T include?
The LM3S8938-IBZ50-A2T integrates 256KB of on-chip Flash memory, sufficient for storing complex firmware, bootloaders, and communication protocol stacks without requiring external NOR Flash in typical embedded applications.
What package does the LM3S8938-IBZ50-A2T use and how many I/O pins does it have?
The LM3S8938-IBZ50-A2T is housed in a 108-pin NFBGA (fine-pitch BGA) package with 38 configurable I/O lines, supporting a compact PCB footprint while providing adequate connectivity for most embedded sensor and actuator interface requirements.
What supply voltages does the LM3S8938-IBZ50-A2T support?
The LM3S8938-IBZ50-A2T supports 2.5V, 3V, and 3.3V supply voltages, giving designers flexibility to interface with both legacy 3.3V peripherals and newer low-voltage 2.5V components within the same system design.
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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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