{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S6950-IBZ50-A2T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S6950-IBZ50-A2T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S6950-IBZ50-A2T","factsUrl":"https://icboms.com/api/mcp/products/LM3S6950-IBZ50-A2T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM3S6950-IBZ50-A2T, Stellaris ARM Cortex-M3S 6000 series, 32-bit single-core MCU, 50MHz, 256KB Flash, 64KB RAM, Ethernet, I2C, SPI, SSI, UART, 108-LFBGA (10x10), -40°C to 85°C, 2.25V to 2.75V supply, 46 I/O.","salesMarkdown":"The Texas Instruments LM3S6950-IBZ50-A2T is a 32-bit ARM Cortex-M3 MCU from the Stellaris® ARM® Cortex®-M3S 6000 series, clocked at 50 MHz with 256 KB of Flash program memory and 64 KB of RAM. The 108-LFBGA package (10x10 mm) with 46 I/O lines supports compact PCB layouts in factory automation and building management equipment. ## 50 MHz Cortex-M3 — timing margin for Ethernet stacks The 50 MHz core speed runs a lightweight TCP/IP stack alongside peripheral polling. ## Industrial temperature range — factory-floor ready ## Ethernet + serial — one chip for the gateway","metaTitle":"TI LM3S6950-IBZ50-A2T Stellaris ARM Cortex-M3 MCU, 50MHz","metaDescription":"Texas Instruments LM3S6950-IBZ50-A2T, Stellaris ARM Cortex-M3S 6000 series 32-bit MCU, 50MHz, 256KB Flash, 64KB RAM, Ethernet/I2C/SPI/UART, 108-BGA, -40°C to 85°C. Obsolete — sourc","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"50MHz","title":"LM3S6950-IBZ50-A2T","Series":"Stellaris® ARM® Cortex®-M3S 6000","Package":"Tape & Reel (TR)","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"Ethernet, I²C, IrDA, Microwire, QEI, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"46","Core Processor":"ARM® Cortex®-M3","Package / Case":"108-LFBGA","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S6950","Program Memory Size":"256KB (256K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"108-BGA (10x10)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/35b7bddf652db86cd5172aa032feb8f0.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S6950-IBZ50-A2T/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for LM3S6950-IBZ50-A2T?","answer":"TI does not list a direct pin-compatible successor. For new designs, migrate to a current Stellaris or Tiva-C series MCU; verify peripheral compatibility and package footprint against the original BOM."},{"question":"What is the difference between LM3S6950 and LM3S6965?","answer":"The LM3S6965 runs at 60 MHz versus 50 MHz on the LM3S6950, with the same 256 KB Flash, 64 KB RAM, and 108-BGA package. The extra 10 MHz provides additional headroom for Ethernet protocol processing."},{"question":"What are the specifications of LM3S6950-IBZ50-A2T?","answer":"32-bit ARM Cortex-M3 core at 50 MHz, 256 KB Flash, 64 KB RAM, Ethernet MAC+PHY, I²C, SPI, SSI, UART, IrDA, Microwire, QEI, 46 I/O, 2.25 V to 2.75 V supply, -40°C to 85°C, 108-LFBGA (10x10 mm)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S6950-IBZ50-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/LM3S6950-IBZ50-A2T when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}