{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S815-IQN50-C2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S815-IQN50-C2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S815-IQN50-C2","factsUrl":"https://icboms.com/api/mcp/products/LM3S815-IQN50-C2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 800 series LM3S815-IQN50-C2, 32-Bit Single-Core MCU, 50 MHz, 64 KB Flash, 8K x 8 RAM, 34 I/O, I²C/SPI/SSI/UART, 2x10b ADC, -40°C~85°C, 48-LQFP.","salesMarkdown":"The Texas Instruments LM3S815-IQN50-C2 is a 32-bit ARM Cortex-M3 microcontroller from the Stellaris® 800 series, clocked at 50 MHz. It carries 64 KB of Flash and 8 KB of RAM, 34 GPIOs, and a 2-channel 10-bit ADC. ## NRND — the sourcing decision Texas Instruments has not published a final EOL notice for this specific variant, but the NRND flag means the window for last-time-buy is open now. The two 10-bit ADC channels handle analog feedback from a potentiometer or a current-sense resistor.","metaTitle":"LM3S815-IQN50-C2 Stellaris ARM Cortex-M3 MCU, 50 MHz, 64 KB Flash, 48-LQFP","metaDescription":"LM3S815-IQN50-C2 is a 32-bit ARM Cortex-M3 MCU from TI's Stellaris series. 50 MHz, 64 KB Flash, 8 KB RAM, 34 GPIOs, industrial temp. 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":{"Mfr":"Texas Instruments","Speed":"50MHz","Series":"Stellaris® ARM® Cortex®-M3S 800","Package":"Tray","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"I²C, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"34","Core Processor":"ARM® Cortex®-M3","Package / Case":"48-LQFP","Product Status":"Not For New Designs","Data Converters":"A/D 2x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S815","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":"$12.1272","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S815-IQN50-C2/alternatives.json"},"ai":{"faq":[{"question":"Is LM3S815-IQN50-C2 still available or obsolete?","answer":"The LM3S815-IQN50-C2 is NRND (Not Recommended for New Designs). It is not formally discontinued, but TI recommends against using it in new designs. It can be sourced to order against an RFQ through independent distribution."},{"question":"What is the direct replacement for LM3S815-IQN50-C2 from Texas Instruments?","answer":"Texas Instruments has not published a single direct-replacement order code for this part. The pin-compatible LM3S811 is the closest sibling in the same Stellaris family. For a Cortex-M4F upgrade, evaluate the TM4C123 series."},{"question":"Is LM3S815-IQN50-C2 pin-compatible with LM3S811?","answer":"Yes, the LM3S811 is pin-compatible with the LM3S815 in the same 48-LQFP package. The LM3S811 has less Flash (16 KB vs 64 KB) and fewer GPIOs, so a firmware migration is needed."},{"question":"What is LM3S815-IQN50-C2's listed speed?","answer":"The listed core speed is 50 MHz."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S815-IQN50-C2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S815-IQN50-C2 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}}