{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S1138-EQC50-A2T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S1138-EQC50-A2T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S1138-EQC50-A2T","factsUrl":"https://icboms.com/api/mcp/products/LM3S1138-EQC50-A2T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 1000 series, LM3S1138-EQC50-A2T, 32-Bit Single-Core MCU, 50 MHz, 64KB (64K x 8) FLASH, 16K x 8 RAM, 46 I/O, 100-LQFP, -40°C~105°C.","salesMarkdown":"## 50 MHz Cortex-M3 with 64 KB Flash — fit for industrial control The LM3S1138-EQC50-A2T is a 32-bit ARM Cortex-M3 MCU from the Stellaris® 1000 series, clocked at 50 MHz with 64 KB of Flash and 16K x 8 of RAM. ## Peripherals and integration note The 8-channel 10-bit ADC samples at the internal oscillator rate; if you need higher precision or faster conversion, an external ADC over SPI is the usual workaround.","metaTitle":"LM3S1138-EQC50-A2T Stellaris ARM Cortex-M3 MCU, 50 MHz, 64 KB Flash","metaDescription":"LM3S1138-EQC50-A2T Stellaris ARM Cortex-M3 MCU, 50 MHz, 64 KB Flash, 16K x 8 RAM, -40°C to 105°C, 100-LQFP. NRND lifecycle — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"50MHz","Series":"Stellaris® ARM® Cortex®-M3S 1000","Package":"Tape & Reel (TR)","RAM Size":"16K 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":"46","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Product Status":"Not For New Designs","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S1138","Program Memory Size":"64KB (64K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~105°C(TA)","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$20.6996","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S1138-EQC50-A2T/alternatives.json"},"ai":{"faq":[{"question":"What is LM3S1138-EQC50-A2T's listed speed?","answer":"The core runs at 50 MHz — that is the maximum clock for the ARM Cortex-M3 on this device."},{"question":"What is LM3S1138-EQC50-A2T's operating temperature range?","answer":"Rated for -40°C to 105°C (TA), which covers industrial and automotive under-hood environments."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S1138-EQC50-A2T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S1138-EQC50-A2T 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}}