The Texas Instruments LM3S6950-EQC50-A2 is a 32-bit ARM Cortex-M3 MCU from the Stellaris M3S 6000 series, clocked at 50 MHz with 256 KB Flash and 64 KB SRAM. It integrates an Ethernet MAC alongside I²C, SPI, SSI, UART, IrDA, Microwire, and QEI interfaces.
TI LM3S6950-EQC50-A2 ARM Cortex-M3 MCU, 50 MHz, 256 KB Flash
MPNLM3S6950-EQC50-A2
Obsolete
Texas Instruments Stellaris LM3S6950-EQC50-A2, 32-bit ARM Cortex-M3 single-core at 50 MHz, 256 KB Flash, 64 KB SRAM, Ethernet/I2C/SPI/SSI/UART, 46 I/O, 100-LQFP (14×14 mm) tray, -40°C to 105°C.
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 6000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.25V ~ 2.75V |
| Operating temperature | -40°C~105°C(TA) |
| Speed | 50MHz |
| Package | Tray |
| RAM size | 64K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | Ethernet, I²C, IrDA, Microwire, QEI, SPI, SSI, UART/USART |
| Number of i (O) | 46 |
| Core processor | ARM® Cortex®-M3 |
| Case | 100-LQFP |
| Program memory size | 256KB (256K x 8) |
Product details
Frequently asked questions
Who supplies LM3S6950-EQC50-A2 and how is it quoted?
We supply this part through our independent distribution network. Submit an RFQ for current availability and pricing — quotes are confirmed at order time with no obligation.
What is the closest pin-compatible alternative to LM3S6950-EQC50-A2?
Texas Instruments does not list a direct pin-compatible successor for this obsolete order code. Other Stellaris M3S 6000 series devices share the Cortex-M3 core and peripheral set but may differ in package or memory density; verify pinout and firmware compatibility before substituting.
What is LM3S6950-EQC50-A2's listed speed?
The core runs at 50 MHz, providing approximately 62.5 MIPS on the ARM Cortex-M3 pipeline.
What compliance documentation is available for LM3S6950-EQC50-A2?
Texas Instruments provides RoHS and REACH compliance data in the product documentation. No UL or IEC certification is listed in the available records for this specific order code.