{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S2637-EQC50-A2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S2637-EQC50-A2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S2637-EQC50-A2","factsUrl":"https://icboms.com/api/mcp/products/LM3S2637-EQC50-A2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 2000 series, LM3S2637-EQC50-A2, 32-Bit Single-Core MCU, 50MHz, 128KB Flash, 32K x 8 RAM, CANbus/I²C/SPI/UART, 46 I/O, 100-LQFP, -40°C~105°C.","salesMarkdown":"## 50 MHz Cortex-M3 with industrial peripheral set The LM3S2637-EQC50-A2: With 46 general-purpose I/O lines and an internal oscillator, this part targets embedded control applications in industrial automation, motor drives, and networked sensor nodes that require CAN connectivity. Buyers should verify date code and condition (new original, reflowed, or tested) with the supplier before adding the part to a BOM line.","metaTitle":"LM3S2637-EQC50-A2 Stellaris ARM Cortex-M3 MCU, 50 MHz","metaDescription":"LM3S2637-EQC50-A2 32-bit ARM Cortex-M3 MCU from the Stellaris series. 50 MHz core, 128 KB Flash, 32 KB SRAM, CAN/I²C/SPI/UART, -40°C to 105°C.","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 2000","Package":"Tray","RAM Size":"32K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"46","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":"LM3S2637","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/LM3S2637-EQC50-A2/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for LM3S2637-EQC50-A2?","answer":"No official replacement order code is published by Texas Instruments for the LM3S2637-EQC50-A2. A pin-compatible alternative within the Stellaris family may exist, but the lifecycle record does not name one. For new designs, consider current-generation Cortex-M3 or Cortex-M4 MCUs from TI or other vendors that offer similar peripheral integration and supply voltage."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S2637-EQC50-A2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S2637-EQC50-A2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}