{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S1918-IQC50-A2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S1918-IQC50-A2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S1918-IQC50-A2","factsUrl":"https://icboms.com/api/mcp/products/LM3S1918-IQC50-A2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 1000 microcontroller, LM3S1918-IQC50-A2, 32-bit single-core, 50 MHz, 256 KB flash, 64 KB RAM, 100-LQFP.","salesMarkdown":"## Cortex-M3 core with 50 MHz throughput The LM3S1918-IQC50-A2: The single-cycle multiply and hardware divide give it predictable timing for control loops and protocol handling. ## On-chip memory and peripheral mix The flash is field-programmable via UART or JTAG. Connectivity includes I²C, SPI, SSI, UART/USART, and IrDA — enough to interface with sensors, displays, and serial radios. 52 GPIO lines and an 8-channel 10-bit ADC cover most mixed-signal control tasks. On-chip peripherals include brown-out detect, POR, PWM, and a watchdog timer — the basic safety net for an unattended controller. ## Industrial temperature range and supply The single 2.25 V to 2.75 V supply rail simplifies the power tree — one LDO or buck converter feeds the core and I/O. The exposed pad is not present — standard QFP reflow profile applies. ## Active lifecycle — sourcing posture No end-of-life notice or last-time-buy window is in effect.","metaTitle":"TI LM3S1918-IQC50-A2 ARM Cortex-M3 MCU, 50 MHz, 256 KB Flash","metaDescription":"Texas Instruments LM3S1918-IQC50-A2 Stellaris ARM Cortex-M3 MCU, 50 MHz, 256 KB flash, 64 KB RAM, 100-LQFP. Active production. Sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"50MHz","Series":"Stellaris® ARM® Cortex®-M3S 1000","Package":"Tray","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"I²C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"52","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Product Status":"Active","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S1918","Program Memory Size":"256KB (256K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$31.3034","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/46084d62ef5295c959adf1f0b652baa1.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S1918-IQC50-A2/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to the LM3S1918-IQC50-A2?","answer":"The LM3S1918 is part of the Stellaris Cortex-M3S 1000 family. Confirm the exact memory and peripheral requirements before substituting."},{"question":"What is the LM3S1918-IQC50-A2's listed speed?","answer":"The core runs at 50 MHz. This is the maximum clock from the internal oscillator; the Cortex-M3 pipeline sustains one instruction per cycle for most operations."},{"question":"What compliance documentation does Texas Instruments provide for the LM3S1918-IQC50-A2?","answer":"TI provides RoHS and REACH compliance data for this part. The 100-LQFP package is lead-free and compatible with standard reflow profiles."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S1918-IQC50-A2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S1918-IQC50-A2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}