{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S1R26-IQR80-C3","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S1R26-IQR80-C3","canonicalUrl":"https://icboms.com/texas-instruments/LM3S1R26-IQR80-C3","factsUrl":"https://icboms.com/api/mcp/products/LM3S1R26-IQR80-C3","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 1000 series LM3S1R26-IQR80-C3, 32-bit ARM Cortex-M3 MCU, 80 MHz, 256KB Flash, 48KB RAM, 33 I/O, I²C/SPI/UART/LINbus, 8×10b ADC, 1.08–3.6 V supply, -40 to 85 °C, 64-LQFP tray.","salesMarkdown":"## 80 MHz Cortex-M3 with 256 KB Flash — what it delivers for control and communication tasks The LM3S1R26-IQR80-C3: It integrates 33 GPIOs, a 8-channel 10-bit ADC, and a peripheral set including I²C, SPI, UART, LINbus, IrDA, and SSI — making it suited for industrial control, sensor interfacing, and networked embedded systems that need a balanced mix of processing and connectivity. Stock is limited to existing inventory — no further factory production is planned. ## 64-LQFP package — footprint and layout notes Housed in a 64-LQFP package measuring 10x10 mm (supplier device package 64-LQFP), this MCU uses a surface-mount footprint with 0.5 mm pitch.","metaTitle":"Texas Instruments LM3S1R26-IQR80-C3 ARM Cortex-M3 MCU","metaDescription":"Texas Instruments Stellaris LM3S1R26-IQR80-C3 ARM Cortex-M3 MCU: 80 MHz, 256KB Flash, 48KB RAM, 33 I/O, 8x10b ADC, -40 to 85 °C, 64-LQFP.","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 1000","Package":"Tray","RAM Size":"48K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I²C, IrDA, LINbus, 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":"LM3S1R26","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":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b73773867c42bdf750ae8f9b374d3db4.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S1R26-IQR80-C3/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for LM3S1R26-IQR80-C3?","answer":"The Stellaris family was phased out; TI's Tiva C Series (Cortex-M4) or other Cortex-M3/M4 MCUs are potential functional replacements, but pin-compatibility is not guaranteed. A full design review is recommended for any substitution."},{"question":"Where can I buy LM3S1R26-IQR80-C3?","answer":"Submit an RFQ to confirm availability and current pricing — stock is limited to existing inventory and confirmed at quote time."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S1R26-IQR80-C3","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S1R26-IQR80-C3 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}}