{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S817-IQN50-C2T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S817-IQN50-C2T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S817-IQN50-C2T","factsUrl":"https://icboms.com/api/mcp/products/LM3S817-IQN50-C2T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris LM3S817-IQN50-C2T, ARM Cortex-M3 32-bit MCU, 50 MHz, 64KB Flash, 8KB RAM, 30 GPIO, 6x10-bit ADC, SPI/SSI/UART/USART, 3.0-3.6V, -40°C to 85°C, 48-LQFP (7x7 mm), Tape & Reel.","salesMarkdown":"The Texas Instruments LM3S817-IQN50-C2T is a 32-bit ARM Cortex-M3 microcontroller from the Stellaris family, clocked at 50 MHz with 64 KB of Flash program memory and 8 KB of RAM. The device operates from a 3.0 V to 3.6 V supply over the industrial temperature range of -40°C to 85°C, and is housed in a 48-pin LQFP package measuring 7 mm by 7 mm. Typical applications include industrial control, sensor interfacing, motor drive logic, and embedded protocol bridging where a moderate-performance Cortex-M3 core with a compact footprint is required. ## Memory sizing — 64 KB Flash / 8 KB RAM With 64 KB of Flash and 8 KB of RAM, the LM3S817 fits firmware images for bootloaders, communication stacks, and moderate application code.","metaTitle":"Texas Instruments LM3S817-IQN50-C2T ARM Cortex-M3 MCU, 50 MHz","metaDescription":"Texas Instruments LM3S817-IQN50-C2T Stellaris ARM Cortex-M3 MCU: 50 MHz, 64KB Flash, 8KB RAM, 30 GPIO, 6x10-bit ADC, -40°C to 85°C, 48-LQFP. NRND; sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"50MHz","title":"LM3S817-IQN50-C2T","Series":"Stellaris® ARM® Cortex®-M3S 800","Package":"Tape & Reel (TR)","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"30","Core Processor":"ARM® Cortex®-M3","Package / Case":"48-LQFP","Data Converters":"A/D 6x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S817","Program Memory Size":"64KB (64K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"48-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"3V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.7660","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/c076c2f838e276f7287b4eb345e697c1.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S817-IQN50-C2T/alternatives.json"},"ai":{"faq":[{"question":"Is LM3S817-IQN50-C2T obsolete or EOL?","answer":"The LM3S817-IQN50-C2T is NRND (Not Recommended for New Designs), meaning TI no longer recommends it for new projects, but it is not fully discontinued. Existing stock is available through independent distributors."},{"question":"What is the replacement for LM3S817-IQN50-C2T?","answer":"TI's recommended successor family for the Stellaris LM3S800 series is the TM4C123 series (Cortex-M4F). Check pin compatibility and peripheral mapping before substituting, as the TM4C parts have different ADC and serial interface configurations."},{"question":"Where can I buy LM3S817-IQN50-C2T?","answer":"This part is available to order through independent distribution. Submit an RFQ for current pricing and availability — stock is confirmed at quote time."},{"question":"What is LM3S817-IQN50-C2T's listed speed?","answer":"The LM3S817-IQN50-C2T is rated for a 50 MHz core clock, delivering approximately 62.5 DMIPS on the Cortex-M3 pipeline."},{"question":"Is LM3S817-IQN50-C2T compatible with LM3S811?","answer":"The LM3S811 is a sibling in the same Stellaris family with identical 64 KB Flash and 8 KB RAM, but it has a different peripheral set (e.g., fewer ADC channels). Verify the exact pinout and peripheral list before assuming drop-in compatibility."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S817-IQN50-C2T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S817-IQN50-C2T 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}}