
TI LM3S2739-EQC50-A2 ARM Cortex-M3 MCU, 50MHz, 128KB Flash
Texas Instruments Stellaris LM3S2739-EQC50-A2, an ARM Cortex-M3-based 32-bit MCU in 100-LQFP, rated 50MHz with 128KB Flash, 64KB SRAM, 56 I/O, CANbus/SPI/I²C/UART, operating -40 to 105 °C on a 2.25–2.75 V rail.
- 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
- Date & lot codes on quoteStated per line before you commit; label photos on request.
- MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
- PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.
Specifications
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 2000 |
| Mounting type | 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 | CANbus, I²C, IrDA, Microwire, QEI, SPI, SSI, UART/USART |
| Number of i (O) | 56 |
| Core processor | ARM® Cortex®-M3 |
| Case | 100-LQFP |
| Data converters | A/D 4x10b |
| Program memory size | 128KB (128K x 8) |
Frequently asked questions
How do I source the LM3S2739-EQC50-A2 and get a quote?
Availability and current pricing are confirmed at quote time. Submit an RFQ and our team will check independent channel stock, confirm pack form (tray), and provide a lead time and MOQ.
What is the closest pin-compatible alternative to the LM3S2739-EQC50-A2?
No official TI cross-reference or second-source order code is cited for this part. The Tiva C Series (TM4C) is the Stellaris product-line successor, but pin compatibility with the LM3S2739 is not confirmed — a design review is required before substituting.
What speed does the LM3S2739-EQC50-A2 run at?
The LM3S2739-EQC50-A2 is rated for 50 MHz operation from its ARM Cortex-M3 core.
What series does the LM3S2739-EQC50-A2 belong to?
It is part of the Stellaris ARM Cortex-M3S 2000 series from Texas Instruments.