{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S9L71-IQC80-C3T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S9L71-IQC80-C3T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S9L71-IQC80-C3T","factsUrl":"https://icboms.com/api/mcp/products/LM3S9L71-IQC80-C3T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris LM3S9L71-IQC80-C3T, 32-bit ARM Cortex-M3 single-core at 80MHz, 128KB Flash / 48KB SRAM, Ethernet + CANbus + USB OTG + UART/SPI/I²C, 72 I/O, 100-LQFP, Tape & Reel, -40°C to 85°C, 1.235V–1.365V core supply.","salesMarkdown":null,"metaTitle":"TI LM3S9L71-IQC80-C3T — 80MHz ARM Cortex-M3 MCU, 128KB Flash, 100-LQFP","metaDescription":"Texas Instruments LM3S9L71-IQC80-C3T: Stellaris ARM Cortex-M3 at 80MHz, 128KB Flash, 48KB SRAM, Ethernet/CAN/USB OTG, 72 I/O, -40°C to 85°C, 100-LQFP. Obsolete — see sourcing optio","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"80MHz","title":"LM3S9L71-IQC80-C3T","Series":"Stellaris® ARM® Cortex®-M3S 9000","Package":"Tape & Reel (TR)","RAM Size":"48K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT","Connectivity":"CANbus, Ethernet, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"72","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Data Converters":"A/D 16x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S9L71","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)":"1.235V ~ 1.365V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b4abf8eb6e91a81a7c818e45cb8ec027.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S9L71-IQC80-C3T/alternatives.json"},"ai":{"faq":[{"question":"What package and temperature grade does the IQC80 suffix specify?","answer":"The IQC80 suffix maps to the industrial temperature grade (-40°C to 85°C), the 100-LQFP-14 package (14×14mm), and tape-and-reel packaging. The core voltage is 1.235V to 1.365V."},{"question":"Is there an official pin-compatible successor for the LM3S9L71?","answer":"No official pin-compatible successor is cited in this ledger. The Stellaris line was migrated to the TI Tiva C Series (TM4C family); a compatible Tiva part will require footprint verification and firmware register migration."},{"question":"What are the key memory and connectivity specs?","answer":"128KB Flash and 48KB SRAM; core runs at 80MHz. Connectivity includes Ethernet MAC, CANbus, LINbus, USB OTG, UART/USART, SPI, I²C, and a 16-channel 10-bit ADC."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S9L71-IQC80-C3T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S9L71-IQC80-C3T 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}}