{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S9B90-IQC80-C3T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S9B90-IQC80-C3T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S9B90-IQC80-C3T","factsUrl":"https://icboms.com/api/mcp/products/LM3S9B90-IQC80-C3T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris LM3S9B90-IQC80-C3T, ARM Cortex-M3 32-bit MCU, 80MHz, 256KB Flash, 96KB RAM, Ethernet, USB OTG, CAN, 60 I/O, 1.235–1.365V, -40 to 85°C, 100-LQFP.","salesMarkdown":"## What this Stellaris MCU brings to the board The LM3S9B90-IQC80-C3T: 32-bit ARM Cortex-M3 MCU from the Stellaris 9000 series, clocked at 80 MHz with 256 KB Flash and 96 KB RAM. ## Obsolete — sourcing reality for the BOM line Texas Instruments has marked the LM3S9B90-IQC80-C3T as obsolete. No last-time-buy window remains through the factory channel. There is no official TI pin-compatible successor for this 100-pin Stellaris part; if you need a like-for-like drop-in, verify the bootloader and peripheral register map against any candidate before committing the BOM.","metaTitle":"Texas Instruments LM3S9B90-IQC80-C3T ARM Cortex-M3 MCU, 80MHz, 256KB Flash, 100-","metaDescription":"TI Stellaris LM3S9B90-IQC80-C3T ARM Cortex-M3 MCU, 80MHz, 256KB Flash, 96KB RAM, Ethernet, USB OTG, CAN, -40 to 85°C, 100-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":{"Speed":"80MHz","title":"LM3S9B90-IQC80-C3T","Series":"Stellaris® ARM® Cortex®-M3S 9000","Package":"Tape & Reel (TR)","RAM Size":"96K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT","Connectivity":"CANbus, EBI/EMI, Ethernet, I²C, IrDA, LINbus, Microwire, SPI, SSI, UART/USART, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"60","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Data Converters":"A/D 16x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S9B90","Program Memory Size":"256KB (256K 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/cee75a99b07073a78d34478947d5df9d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S9B90-IQC80-C3T/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy LM3S9B90-IQC80-C3T and get a price?","answer":"We can source and quote this obsolete MCU to order through our independent distribution network. Submit an RFQ for current availability and pricing — no stock or price figures are published here."},{"question":"What is the closest pin-compatible alternative to LM3S9B90-IQC80-C3T?","answer":"Texas Instruments has not published an official pin-compatible replacement for this Stellaris 9000-series MCU. If you need a like-for-like swap, verify the bootloader, peripheral register map, and oscillator configuration against any candidate before committing the BOM."},{"question":"What is LM3S9B90-IQC80-C3T's listed speed?","answer":"The core runs at 80 MHz, which is the maximum clock for this ARM Cortex-M3 device in the Stellaris 9000 series."},{"question":"What compliance documentation does this brand provide for LM3S9B90-IQC80-C3T?","answer":"Texas Instruments provides RoHS and REACH compliance documentation for this part. The 100-LQFP package is lead-free and RoHS-compliant per TI's standard material declarations."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S9B90-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/LM3S9B90-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}}