{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S2776-IQR50-A0","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S2776-IQR50-A0","canonicalUrl":"https://icboms.com/texas-instruments/LM3S2776-IQR50-A0","factsUrl":"https://icboms.com/api/mcp/products/LM3S2776-IQR50-A0","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 2000 series MCU, LM3S2776-IQR50-A0, 32-bit single-core at 50MHz, 128KB FLASH, 64KB RAM, CAN/I2C/SPI/UART, 6x10b ADC, 33 I/O, 64-LQFP, -40°C to 85°C, 2.25-2.75V supply, NRND, Tray.","salesMarkdown":"## 50 MHz Cortex-M3 with CAN — NRND, but still in the supply chain This means TI has flagged it for eventual phase-out; new design starts should look elsewhere, but existing production lines that already qualify this MCU can continue sourcing through the remaining supply window. ## 2.5 V supply — the rail that rules the power tree That narrow window forces a dedicated LDO or switching regulator — a 3.3 V-to-2.5 V LDO with low dropout is the straightforward choice, but the designer must account for the regulator's own tolerance and load regulation to stay inside the 500 mV total window. ## Memory headroom and peripheral mix The 64 KB RAM is notably generous for this class; it can hold several Ethernet or CAN message buffers without tight management. The 6-channel 10-bit ADC is adequate for reading potentiometers, thermistors, or 0-10 V scaled signals through a divider, but not for high-resolution measurement. The 33 GPIOs in the 64-LQFP package leave room for a parallel LCD interface or a bank of opto-coupled inputs alongside the serial ports.","metaTitle":"Texas Instruments LM3S2776-IQR50-A0 ARM Cortex-M3 MCU, 50MHz","metaDescription":"TI Stellaris LM3S2776-IQR50-A0 32-bit ARM Cortex-M3 MCU at 50MHz with 128KB Flash, 64KB RAM, CAN, I2C, SPI, UART, 6x10b ADC, -40°C to 85°C, 2.25-2.75V supply.","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 2000","Package":"Tray","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, 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":"Not For New Designs","Data Converters":"A/D 6x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S2776","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$22.2783","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S2776-IQR50-A0/alternatives.json"},"ai":{"faq":[{"question":"Is LM3S2776-IQR50-A0 obsolete?","answer":"TI has flagged it for eventual phase-out, so existing production can continue sourcing through the remaining supply window, but new designs should select an alternative."},{"question":"What is the replacement for LM3S2776-IQR50-A0?","answer":"A pin-compatible drop-in within the Stellaris LM3S2000 series would need to be evaluated board-level for memory, peripheral, and pinout differences — the manufacturer has not confirmed a direct substitute."},{"question":"Can LM3S2776-IQR50-A0 be used in new designs?","answer":"TI does not recommend it for new designs due to the NRND status."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S2776-IQR50-A0","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S2776-IQR50-A0 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}}