{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S5C31-IBZ80-A2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S5C31-IBZ80-A2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S5C31-IBZ80-A2","factsUrl":"https://icboms.com/api/mcp/products/LM3S5C31-IBZ80-A2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 5000 series MCU, LM3S5C31-IBZ80-A2, 32-bit single-core at 80MHz, 512KB Flash, 64K x 8 RAM, 67 I/O, 108-LFBGA, -40°C to 85°C.","salesMarkdown":"The LM3S5C31-IBZ80-A2 is a Texas Instruments Stellaris ARM Cortex-M3 MCU running at 80 MHz with 512 KB of Flash and 64K x 8 of RAM. The 12-bit ADC with 16 channels covers analog sensing for current, voltage, and temperature monitoring on a single chip.","metaTitle":"LM3S5C31-IBZ80-A2 Stellaris ARM Cortex-M3 MCU, 80MHz, 512KB Flash","metaDescription":"Texas Instruments LM3S5C31-IBZ80-A2 Stellaris ARM Cortex-M3 MCU, 80MHz core, 512KB Flash, 64K x 8 RAM, 67 I/O, -40°C to 85°C. Obsolete — sourced to order against RFQ.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"Texas Instruments","Speed":"80MHz","Series":"Stellaris® ARM® Cortex®-M3S 5000","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, EBI/EMI, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"67","Core Processor":"ARM® Cortex®-M3","Package / Case":"108-LFBGA","Product Status":"Obsolete","Data Converters":"A/D 16x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S5C31","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"108-BGA (10x10)","Voltage - Supply (Vcc/Vdd)":"3V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S5C31-IBZ80-A2/alternatives.json"},"ai":{"faq":[{"question":"Is LM3S5C31-IBZ80-A2 obsolete or end of life?","answer":"Yes, the LM3S5C31-IBZ80-A2 is obsolete. The manufacturer has marked it end-of-life with no further production planned."},{"question":"What is the direct replacement for LM3S5C31-IBZ80-A2?","answer":"No official direct replacement is listed in the available documentation. The LM3S5C31-IBZ80-A1 is a variant but not a confirmed pin-compatible drop-in. A current-generation Cortex-M3 or M4 MCU in the same 108-BGA footprint would require a full design review."},{"question":"What is LM3S5C31-IBZ80-A2's listed speed?","answer":"The core runs at 80 MHz. This is the maximum clock frequency for the ARM Cortex-M3 processor on this device."},{"question":"Can LM3S5C31-IBZ80-A2 be used as a replacement for LM3S5C31-IBZ80-A1?","answer":"The base product number is the same, suggesting the same silicon, but the suffix difference (A2 vs A1) may indicate a different temperature grade or package variant. Without a published cross-reference, verify pinout and electrical specs against your design before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S5C31-IBZ80-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/LM3S5C31-IBZ80-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}}