{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S5651-IBZ80-C1T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S5651-IBZ80-C1T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S5651-IBZ80-C1T","factsUrl":"https://icboms.com/api/mcp/products/LM3S5651-IBZ80-C1T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 5000 series MCU, LM3S5651-IBZ80-C1T, 32-Bit Single-Core, 80MHz, 128KB Flash, 32K x 8 RAM, 108-LFBGA, -40°C~85°C.","salesMarkdown":"The LM3S5651-IBZ80-C1T is a 32-bit ARM Cortex-M3 microcontroller from TI's Stellaris 5000 series, clocked at 80 MHz with 128 KB of Flash and 32 KB of RAM. It integrates a rich peripheral set including CAN, USB OTG, multiple I²C and SPI interfaces, and a 16-channel 10-bit ADC — making it a fit for industrial control nodes, motor-drive communication bridges, and human-machine interface panels that need a single-chip protocol-handling core. The 108-ball BGA package (10x10 mm) and industrial temperature range suit compact, thermally demanding enclosures. The 80 MHz core speed is above entry-level Cortex-M3 parts. For a closed-loop motor drive or a multi-axis PLC communication gateway, 80 MHz provides enough headroom to run a real-time OS tick plus CAN and USB stacks without cycle-counting every ISR. The 32 KB RAM is adequate for moderate data buffers but will constrain large packet queues or multi-frame graphics — plan the memory map early. 108-ball LFBGA, 10x10 mm body. Surface-mount only; no socket option. Board layout should follow TI's Stellaris layout guidelines for the 1.08–1.32 V core supply — the low-voltage rail is sensitive to ripple and requires a dedicated LDO or switching regulator close to the ball array.","metaTitle":"LM3S5651-IBZ80-C1T Stellaris ARM Cortex-M3 MCU, 80 MHz","metaDescription":"LM3S5651-IBZ80-C1T Stellaris ARM Cortex-M3 MCU, 80 MHz, 128 KB Flash, 32 KB RAM, industrial temp -40 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":"Tape & Reel (TR)","RAM Size":"32K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, Microwire, QEI, SPI, SSI, UART/USART, USB OTG","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 16x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S5651","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"108-BGA (10x10)","Voltage - Supply (Vcc/Vdd)":"1.08V ~ 1.32V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/9315fa200c803917e7b307e71a010347.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S5651-IBZ80-C1T/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to LM3S5651-IBZ80-C1T?","answer":"TI does not list a direct pin-compatible successor for this exact order code. Within the Stellaris family, the LM3S5B91 or LM3S9B96 share the same 108-BGA footprint and peripheral set but differ in memory and feature mix — verify the pinout against your layout before substituting."},{"question":"What is LM3S5651-IBZ80-C1T's listed speed?","answer":"The core runs at 80 MHz, which is the maximum clock for this device."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S5651-IBZ80-C1T","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S5651-IBZ80-C1T 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}}