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Texas Instruments LM3S8738-EQC50-A2 — Microcontrollers & Processors (MCU / MPU / DSP)

Texas Instruments LM3S8738-EQC50-A2 Stellaris ARM Cortex-M3 MCU, 50 MHz

MPNLM3S8738-EQC50-A2
Obsolete

Texas Instruments Stellaris ARM Cortex-M3S 8000 series LM3S8738-EQC50-A2, 32-bit single-core MCU, 50 MHz, 128 KB Flash, 64 KB SRAM, 38 I/O, Ethernet and CANbus, 2.25 V to 2.75 V supply, -40 to 105°C, 100-LQFP tray.

Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

LM3S8738-EQC50-A2 specifications
ParameterValue
SeriesStellaris® ARM® Cortex®-M3S 8000
MountingSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))2.25V ~ 2.75V
Operating temperature-40°C~105°C(TA)
Speed50MHz
PackageTray
RAM size64K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, POR, PWM, WDT
ConnectivityCANbus, Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART
Number of i (O)38
Core processorARM® Cortex®-M3
Case100-LQFP
Data convertersA/D 8x10b
Program memory size128KB (128K x 8)

Product details

The Texas Instruments LM3S8738-EQC50-A2 is a 32-bit ARM Cortex-M3 microcontroller from the Stellaris 8000 series, clocked at 50 MHz. It carries 128 KB of program Flash and 64 KB of SRAM, with 38 general-purpose I/O lines.

The LM3S8738-EQC50-A2 is officially classified as Obsolete by Texas Instruments. No last-time-buy window remains open through the factory channel.

Connectivity and peripherals at a glance

Ethernet and CANbus are integrated on-chip, so no external MAC/PHY or CAN transceiver interface chip is needed for the controller side.

Frequently asked questions

What is the operating temperature range of LM3S8738?

The LM3S8738-EQC50-A2 is rated for an operating temperature range of -40°C to 105°C (TA), which qualifies it for industrial environments such as motor drives and outdoor telecom equipment.

What is the core architecture of LM3S8738?

The LM3S8738-EQC50-A2 uses a 32-bit ARM Cortex-M3 core, single-core, from the Stellaris ARM Cortex-M3S 8000 series.