LM3S1968-IBZ50-A2T Texas Instruments Integrated Circuit (BGA) In Stock
LM3S1968-IBZ50-A2T is a 32-bit ARM Cortex-M3 microcontroller from Texas Instruments running at 50 MHz with 256 KB Flash, integrated ADC and boundary scan, in a compact 108-ball BGA package.
- Manufacturer
- Texas Instruments
- Package
- BGA
- Pin Count
- 108
- Lifecycle
- OBSOLETE
- Datasheet
- LM3S1968-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 core at 50 MHz with Thumb-2 instruction set for efficient embedded real-time processing
- 256 KB on-chip Flash program memory enabling complex firmware storage without external memory
- Integrated multi-channel 12-bit ADC supporting direct analog sensor acquisition on-chip
- 108-ball BGA (10×10 mm) package minimizing PCB footprint in compact industrial control boards
Applications
LM3S1968-IBZ50-A2T targets embedded control applications in industrial automation, building management systems, and networked sensor nodes where a 32-bit processor with integrated Flash and ADC is needed in a small footprint. Its 50 MHz Cortex-M3 core and boundary scan support enable efficient firmware execution and in-circuit JTAG testing during production.
Specifications
| Pbfree Code | Yes |
| 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 | NO |
| Format | FIXED POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PBGA-B108 |
| JESD-609 Code | e1 |
| Low Power Mode | YES |
| Number of I/O Lines | 52 |
| Number of Serial I/Os | 6 |
| Number of Timers | 4 |
| On Chip Data RAM Width | 8 |
| 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 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What clock speed and Flash size does LM3S1968-IBZ50-A2T offer for embedded firmware?
LM3S1968-IBZ50-A2T runs at 50 MHz and integrates 256 KB of on-chip Flash memory, providing sufficient speed and storage for real-time control firmware including RTOS kernels and communication stacks without external memory chips.
How does the 108-ball BGA package of LM3S1968-IBZ50-A2T compare to LQFP alternatives for board density?
The 108-ball BGA in a 10×10 mm body achieves significantly higher I/O density than an equivalent LQFP-100, shrinking the MCU footprint on the PCB and enabling more compact designs. However, it requires fine-pitch reflow and X-ray inspection during assembly.
Does LM3S1968-IBZ50-A2T support boundary scan testing for production quality assurance?
Yes, LM3S1968-IBZ50-A2T includes JTAG boundary scan conforming to IEEE 1149.1, allowing automated board-level continuity and interconnect testing across all signal pins during production. This reduces field failure rates for assemblies with BGA solder joints.
Which embedded applications benefit most from LM3S1968-IBZ50-A2T over an 8-bit microcontroller?
Applications such as MODBUS RTU gateways, multi-axis servo position controllers, and graphical LCD drivers benefit from the 32-bit data path and 50 MHz clock. These workloads require more than 8-bit arithmetic precision or processing throughput beyond what a 4–8 MHz 8-bit MCU can deliver.
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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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