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Texas Instruments LM3S1J11-IBZ50-C1 — Microcontrollers & Processors (MCU / MPU / DSP)

LM3S1J11-IBZ50-C1 Stellaris ARM Cortex-M3 MCU, 50 MHz

MPNLM3S1J11-IBZ50-C1
Obsolete

Texas Instruments Stellaris ARM Cortex-M3S 1000 series LM3S1J11-IBZ50-C1, 32-Bit Single-Core MCU, 50MHz, 128KB Flash, 20K x 8 RAM, 67 I/O, 108-LFBGA, -40°C~85°C.

Texas Instruments LM3S1J11-IBZ50-C1 datasheet (PDF)
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM3S1J11-IBZ50-C1 specifications
ParameterValue
SeriesStellaris® ARM® Cortex®-M3S 1000
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.08V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed50MHz
PackageTray
RAM size20K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, DMA, POR, PWM, WDT
ConnectivityI²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART
Number of i (O)67
Core processorARM® Cortex®-M3
Case108-LFBGA
Data convertersA/D 8x10b
Program memory size128KB (128K x 8)

Product details

50 MHz Cortex-M3 with 128 KB Flash — what it covers

The LM3S1J11-IBZ50-C1: The 67 GPIOs give you room for parallel sensor arrays or a local display bus without an external port expander.

The 8-channel 10-bit ADC captures analog feedback from potentiometers or current-sense resistors without a separate converter.

108-ball BGA — footprint and rework

If your production line isn't set up for BGA, this part will add a rework step.

New-production orders through the franchised channel are closed. The part is available only through independent distribution — verified surplus or last-time-buy inventory.

Frequently asked questions

Is LM3S1J11-IBZ50-C1 obsolete?

Yes, Texas Instruments lists the LM3S1J11-IBZ50-C1 as obsolete. No official replacement part number has been published. The part can be sourced through independent distribution on a quoted-to-order basis.

What is the replacement for LM3S1J11-IBZ50-C1?

No official replacement is recorded in the available lifecycle data. The LM3S1J11-IBZ50-C1 is obsolete without a direct TI successor. For a pin-compatible alternative within the Stellaris family, you would need to cross-reference the package and peripheral set manually against other LM3S1Jxx variants — the evidence does not confirm a drop-in substitute.