{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S1816-IQR50-C5T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S1816-IQR50-C5T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S1816-IQR50-C5T","factsUrl":"https://icboms.com/api/mcp/products/LM3S1816-IQR50-C5T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 1000 series microcontroller, LM3S1816-IQR50-C5T, 50MHz, 256KB Flash, 32KB RAM, 64-LQFP.","salesMarkdown":"## Cortex-M3 core with 50 MHz and 256 KB flash The LM3S1816-IQR50-C5T: This puts it in the mid-range of the Stellaris 1000 family — enough flash for a full protocol stack plus application code, with the RAM split leaving room for moderate-sized data buffers without external memory. 33 general-purpose I/O lines are brought out on the 64-LQFP package. The peripheral set includes I2C, SPI, SSI, UART/USART, and IrDA for serial connectivity, plus a PWM module, DMA controller, and an 8-channel 10-bit ADC. Brown-out detect, POR, and a watchdog timer are integrated — no external supervisor needed for basic reset handling. The internal oscillator means the core can run without an external crystal for non-critical timing, though the UART baud-rate accuracy will depend on the internal RC tolerance. ## Lifecycle reality — obsolete, sourced to order Texas Instruments has marked the LM3S1816-IQR50-C5T as obsolete. No official successor or pin-compatible replacement is recorded in the Stellaris 1000 series — the Stellaris line was migrated to the Tiva-C family, but the package and pinout differ.","metaTitle":"TI LM3S1816-IQR50-C5T Cortex-M3 MCU, 50MHz, 256KB Flash","metaDescription":"Texas Instruments LM3S1816-IQR50-C5T Stellaris ARM Cortex-M3 MCU, 50MHz, 256KB Flash, 32KB RAM, 64-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 1000","Package":"Tape & Reel (TR)","RAM Size":"32K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I2C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"33","Core Processor":"ARM® Cortex®-M3","Package / Case":"64-LQFP","Product Status":"Obsolete","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S1816","Program Memory Size":"256KB (256K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"1.08V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$8.6900","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/f059e24692882bb1fd110529230b2ed2.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S1816-IQR50-C5T/alternatives.json"},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S1816-IQR50-C5T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S1816-IQR50-C5T when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-21T02:44:44.735Z","lastPublished":"2026-07-21T02:44:44.735Z","indexable":true}}