{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S5C51-IQC80-A1T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S5C51-IQC80-A1T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S5C51-IQC80-A1T","factsUrl":"https://icboms.com/api/mcp/products/LM3S5C51-IQC80-A1T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 5000 LM3S5C51-IQC80-A1T, 32-Bit Single-Core MCU, 80MHz, 512KB Flash, 64K x 8 RAM, 100-LQFP, -40°C~85°C.","salesMarkdown":"The LM3S5C51-IQC80-A1T is a Texas Instruments Stellaris® ARM® Cortex®-M3 MCU from the 5000 series, built around a 32-bit single-core processor running at 80 MHz. ## Obsolete — planning the BOM transition The official record does not list a direct successor order code. Any new project should target a current-production Cortex-M3 or Cortex-M4 part with similar peripheral set and package footprint.","metaTitle":"LM3S5C51-IQC80-A1T ARM Cortex-M3 MCU, 80 MHz, 512 KB Flash","metaDescription":"LM3S5C51-IQC80-A1T Stellaris ARM Cortex-M3 MCU: 80 MHz core, 512 KB Flash, 64K x 8 RAM, industrial temp -40°C to 85°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":"80MHz","Series":"Stellaris® ARM® Cortex®-M3S 5000","Package":"Tape & Reel (TR)","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"67","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Product Status":"Obsolete","Data Converters":"A/D 16x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S5C51","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"3V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S5C51-IQC80-A1T/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for LM3S5C51-IQC80-A1T?","answer":"TI has not published a direct successor order code for this part. Current TI families like TM4C or MSP432 are worth evaluating, but firmware porting and board re-qualification will be required."},{"question":"Can I use LM3S5C51-IQC80-A1T in a new project?","answer":"Not recommended. The part is obsolete, so long-term supply is not guaranteed. For new designs, select a current-production ARM Cortex-M MCU with similar specs to avoid a future redesign cycle."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S5C51-IQC80-A1T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S5C51-IQC80-A1T 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}}