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Texas Instruments LM3S1332-IBZ50-A2 — Microcontrollers & Processors (MCU / MPU / DSP)

Texas Instruments LM3S1332-IBZ50-A2 ARM Cortex-M3 MCU, 50 MHz

MPNLM3S1332-IBZ50-A2
NRND

Texas Instruments Stellaris LM3S1332-IBZ50-A2, 32-bit ARM Cortex-M3 at 50 MHz, 96 KB Flash, 16 KB RAM, 57 I/O, 3×10-bit ADC, 2.25–2.75 V supply, -40 to 85°C, 108-LFBGA, Tray.

$19.2744Ref. price · indicative, final on quote
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM3S1332-IBZ50-A2 specifications
ParameterValue
SeriesStellaris® ARM® Cortex®-M3S 1000
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2.25V ~ 2.75V
Operating temperature-40°C~85°C(TA)
Speed50MHz
PackageTray
RAM size16K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityIrDA, Microwire, SPI, SSI, UART/USART
Number of i (O)57
Core processorARM® Cortex®-M3
Case108-LFBGA
Data convertersA/D 3x10b
Program memory size96KB (96K x 8)

Product details

It carries 96 KB of Flash program memory and 16 KB of RAM, with 57 general-purpose I/O lines and a 3-channel 10-bit ADC.

50 MHz Cortex-M3 — what it means for your control loop

This means the part is still available for existing production but is not being actively promoted for new projects.

Frequently asked questions

Is LM3S1332-IBZ50-A2 obsolete or NRND?

Yes, Texas Instruments lists this part as NRND (Not Recommended for New Designs). It is still available for existing production runs but is not intended for new projects.

What is the replacement for LM3S1332-IBZ50-A2?

No official replacement order code is listed in the available records. For a new design, consider a current-production Cortex-M3 or Cortex-M4 MCU from TI's Tiva C series or another vendor with similar Flash/RAM and peripheral count.

What are the specifications of LM3S1332-IBZ50-A2?

It is a 32-bit ARM Cortex-M3 MCU at 50 MHz with 96 KB Flash, 16 KB RAM, 57 I/O, 3×10-bit ADC, operating from 2.25 V to 2.75 V over -40°C to 85°C in a 108-LFBGA package.

What is the operating temperature range of LM3S1332-IBZ50-A2?

The operating temperature range is -40°C to 85°C, which is the industrial grade.