The LM3S1601-IQC50-A2: That means TI has stopped active design-in support and the part is on a path toward end-of-life, though it remains orderable for existing production runs through the independent channel.
LM3S1601-IQC50-A2 Stellaris ARM Cortex-M3 MCU, 50MHz
MPNLM3S1601-IQC50-A2
NRND
Texas Instruments Stellaris ARM Cortex-M3 MCU, LM3S1601-IQC50-A2, 32-Bit Single-Core, 50MHz, 128KB Flash, 32K x 8 RAM, 60 I/O, 100-LQFP, -40°C to 85°C.
$33.2078Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026
Specifications
| Parameter | Value |
|---|---|
| Series | Stellaris® ARM® Cortex®-M3S 1000 |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 2.25V ~ 2.75V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 50MHz |
| Package | Tray |
| RAM size | 32K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Connectivity | I²C, IrDA, Microwire, SPI, SSI, UART/USART |
| Number of i (O) | 60 |
| Core processor | ARM® Cortex®-M3 |
| Case | 100-LQFP |
| Program memory size | 128KB (128K x 8) |
Product details
Frequently asked questions
Is LM3S1601-IQC50-A2 NRND?
It remains available for existing production through the surplus and broker channel, but TI no longer supports new design-ins.
What is the maximum operating frequency of LM3S1601-IQC50-A2?
The core runs at 50 MHz, which is the maximum rated speed for this device.