{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S8733-EQC50-A2T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S8733-EQC50-A2T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S8733-EQC50-A2T","factsUrl":"https://icboms.com/api/mcp/products/LM3S8733-EQC50-A2T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 8000 series MCU, LM3S8733-EQC50-A2T, 32-Bit Single-Core 50MHz, 128KB Flash, 64K x 8 RAM, 35 I/O, CAN/Ethernet/I²C/SPI/UART, 100-LQFP, -40°C~105°C.","salesMarkdown":"The Texas Instruments LM3S8733-EQC50-A2T is a 32-bit ARM Cortex-M3 microcontroller from the Stellaris 8000 series, clocked at 50 MHz with 128 KB of Flash program memory and 64K x 8 of SRAM. ## 50 MHz Cortex-M3 — what the speed buys you The 50 MHz core runs a real-time control loop with Ethernet stack overhead. ## 128 KB Flash and 64 KB RAM — firmware budget 128 KB of Flash holds a bootloader, a TCP/IP or CANopen stack, and application logic. The 64 KB SRAM handles packet buffers and control data structures. ## Obsolete — sourcing reality for the LM3S8733-EQC50-A2T","metaTitle":"Texas Instruments LM3S8733-EQC50-A2T ARM Cortex-M3 MCU, 50 MHz","metaDescription":"Texas Instruments LM3S8733-EQC50-A2T Stellaris ARM Cortex-M3 MCU, 50 MHz, 128 KB Flash, 64K x 8 RAM, -40 to 105°C, 100-LQFP. Obsolete — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"50MHz","Series":"Stellaris® ARM® Cortex®-M3S 8000","Package":"Tape & Reel (TR)","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"CANbus, Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"35","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Product Status":"Obsolete","Data Converters":"A/D 4x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S8733","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~105°C(TA)","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S8733-EQC50-A2T/alternatives.json"},"ai":{"faq":[{"question":"Is LM3S8733-EQC50-A2T obsolete?","answer":"Yes, Texas Instruments has marked the LM3S8733-EQC50-A2T as Obsolete. No factory last-time-buy is available. The part is sourced through independent surplus channels against an RFQ."},{"question":"What is the replacement for LM3S8733-EQC50-A2T?","answer":"No official pin-compatible replacement is listed in the TI records. For new designs, TI recommends migrating to the Tiva C Series (Cortex-M4F) or another current ARM MCU family, but a drop-in footprint match is not documented. Verify your PCB layout and firmware porting effort before selecting an alternate."},{"question":"What are the key specifications of LM3S8733-EQC50-A2T?","answer":"The LM3S8733-EQC50-A2T is a 32-bit ARM Cortex-M3 MCU running at 50 MHz with 128 KB Flash, 64K x 8 SRAM, 35 GPIOs, CAN, Ethernet, I²C, SPI, UART, a 4-channel 10-bit ADC, and PWM. It operates from 2.25 V to 2.75 V over -40°C to 105°C in a 100-LQFP package."},{"question":"Is LM3S8733-EQC50-A2T still available anywhere?","answer":"Yes, through independent surplus and broker channels. The factory has ended production, but existing inventory is still in the supply chain. We can quote it to order — availability is confirmed at RFQ time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S8733-EQC50-A2T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S8733-EQC50-A2T when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}