{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S6637-IQC50","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S6637-IQC50","canonicalUrl":"https://icboms.com/texas-instruments/LM3S6637-IQC50","factsUrl":"https://icboms.com/api/mcp/products/LM3S6637-IQC50","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 6000 series LM3S6637-IQC50, 32-bit single-core MCU, 50 MHz, 128 KB Flash, 32K x 8 SRAM, Ethernet + I²C/SPI/UART, 41 I/O, 100-LQFP, -40°C to 85°C, 2.25V to 2.75V supply.","salesMarkdown":"## 50 MHz Cortex-M3 with integrated Ethernet MAC The 50 MHz core, combined with the 128 KB Flash, gives enough headroom to run a lightweight TCP/IP stack (like lwIP) alongside application code, without needing an external Ethernet controller. It needs a dedicated 2.5 V regulator — not a shared 3.3 V rail. ## 100-LQFP package — footprint and rework Housed in a 100-LQFP (14x14 mm) package, surface-mount.","metaTitle":"LM3S6637-IQC50 Stellaris ARM Cortex-M3 MCU, 50 MHz","metaDescription":"LM3S6637-IQC50 Stellaris ARM Cortex-M3 MCU with 50 MHz core, 128 KB Flash, 32K x 8 RAM, Ethernet, industrial temp -40°C to 85°C, 100-LQFP. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"50MHz","Series":"Stellaris® ARM® Cortex®-M3S 6000","Package":"Bulk","RAM Size":"32K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"41","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Product Status":"Active","Data Converters":"A/D 4x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S6637","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°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":"https://cdn.icboms.com/8020521d9540dff46a08cd898a1f16c0.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S6637-IQC50/alternatives.json"},"ai":{"faq":[{"question":"Does LM3S6637-IQC50 have an internal oscillator?","answer":"Yes, it has an internal oscillator, so it can run without an external crystal for basic clocking. For precise Ethernet timing, an external oscillator or crystal is still recommended."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S6637-IQC50","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S6637-IQC50 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}