{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S8538-IBZ50-A2T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S8538-IBZ50-A2T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S8538-IBZ50-A2T","factsUrl":"https://icboms.com/api/mcp/products/LM3S8538-IBZ50-A2T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments LM3S8538-IBZ50-A2T Stellaris ARM Cortex-M3S 8000 series, 32-bit single-core at 50MHz, 96KB FLASH / 64KB SRAM, 108-LFBGA, Ethernet + CANbus, 36 I/O, -40 to 85 °C automotive-grade, 2.25–2.75 V supply, tape and reel.","salesMarkdown":null,"metaTitle":"TI LM3S8538-IBZ50-A2T Stellaris ARM Cortex-M3 MCU 50MHz 96KB Flash","metaDescription":"Texas Instruments LM3S8538-IBZ50-A2T Stellaris ARM Cortex-M3S 8000 series, 50MHz, 96KB FLASH, 64KB SRAM, 108-LFBGA, -40 to 85 °C. EOL product — RFQ for sourcing.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"50MHz","title":"LM3S8538-IBZ50-A2T","Series":"Stellaris® ARM® Cortex®-M3S 8000","Package":"Tape & Reel (TR)","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"CANbus, Ethernet, I²C, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"36","Core Processor":"ARM® Cortex®-M3","Package / Case":"108-LFBGA","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S8538","Program Memory Size":"96KB (96K 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":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S8538-IBZ50-A2T/alternatives.json"},"ai":{"faq":[{"question":"What temperature grade does the A2T suffix denote?","answer":"The A2T automotive-grade suffix on this part places it in the automotive temperature lot-acceptance flow at -40 to 85 °C operating range. This is a tighter qualification bar than a standard industrial (-40 to 85 °C commercial) part and is the reason this part survives in legacy industrial automation builds where automotive-qualified bill of material discipline applies."},{"question":"What connectivity does the LM3S8538-IBZ50-A2T offer versus a same-footprint peer without Ethernet?","answer":"The LM3S8538 integrates both Ethernet MAC (RMII interface) and CANbus alongside the standard UART/USART, I²C, SPI, SSI, and IrDA peripheral set — the Ethernet MAC is the differentiator that makes this part, not the 6638 variant, the correct choice for a networked embedded module. Both share the same 108-LFBGA package and 36 I/O."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S8538-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/LM3S8538-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}}