{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S2651-IQC50-A2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S2651-IQC50-A2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S2651-IQC50-A2","factsUrl":"https://icboms.com/api/mcp/products/LM3S2651-IQC50-A2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 2000 series MCU, LM3S2651-IQC50-A2, 32-bit single-core, 50 MHz, 128KB Flash, 32KB RAM, 53 I/O, CANbus/I²C/SPI/SSI/UART/USART, 2.25–2.75V supply, -40°C to 85°C, 100-LQFP.","salesMarkdown":"The LM3S2651-IQC50-A2: The 53 general-purpose I/O lines and four 10-bit ADC channels provide enough headroom for sensor aggregation and actuator control without an external CPLD or ADC. ## Obsolete — sourcing reality for a BOM line For production support or repair stock, the only channel is independent distribution — surplus inventory, new-old-stock, or broker-sourced units. The exposed pad (if present on this variant) should be stitched to the ground plane with thermal vias for heat sinking.","metaTitle":"LM3S2651-IQC50-A2 Stellaris ARM Cortex-M3 MCU, 50 MHz","metaDescription":"LM3S2651-IQC50-A2 is a Stellaris ARM Cortex-M3 MCU with 50 MHz core, 128KB Flash, 32KB RAM, CANbus, I²C, SPI, SSI, UART/USART. Industrial temp -40°C to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"50MHz","Series":"Stellaris® ARM® Cortex®-M3S 2000","Package":"Tray","RAM Size":"32K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"53","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Product Status":"Obsolete","Data Converters":"A/D 4x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S2651","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$33.7336","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S2651-IQC50-A2/alternatives.json"},"ai":{"faq":[{"question":"Is LM3S2651-IQC50-A2 obsolete?","answer":"Yes, Texas Instruments lists this part as obsolete. No factory production or last-time-buy window is active. Sourcing is limited to surplus and broker inventory."},{"question":"Does LM3S2651-IQC50-A2 support CAN bus?","answer":"Yes, the connectivity block includes a CANbus controller, along with I²C, IrDA, Microwire, SPI, SSI, and UART/USART interfaces."},{"question":"What is the replacement for LM3S2651-IQC50-A2?","answer":"No official replacement part number is published in the lifecycle record. A pin-compatible alternate may exist within the Stellaris family, but it is not documented here. For a drop-in substitute, review the Stellaris ARM Cortex-M3 2000 series portfolio for a similar memory and peripheral set."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S2651-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/LM3S2651-IQC50-A2 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}