{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S6420-IBZ25-A2T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S6420-IBZ25-A2T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S6420-IBZ25-A2T","factsUrl":"https://icboms.com/api/mcp/products/LM3S6420-IBZ25-A2T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 6000 series LM3S6420-IBZ25-A2T, 32-Bit Single-Core MCU, 25MHz, 96KB Flash, 32K x 8 RAM, Ethernet, 46 I/O, 108-LFBGA, -40°C~85°C.","salesMarkdown":"Texas Instruments has officially marked the LM3S6420-IBZ25-A2T as Obsolete. For a production BOM that carries this order code, the only channel is independent distribution — surplus, new-old-stock, or broker-sourced inventory. ## 25 MHz Cortex-M3 with Ethernet — the fit decision With 46 GPIOs in a 108-ball BGA (10x10 mm), it was designed for industrial or building-automation controllers that needed a single-chip Ethernet node. ## Peripherals and memory — what the 96 KB Flash covers The internal oscillator reduces external BOM count, though the Ethernet PHY still needs an external 25 MHz crystal or oscillator for timing.","metaTitle":"LM3S6420-IBZ25-A2T ARM Cortex-M3 MCU, 25 MHz, 96KB Flash","metaDescription":"LM3S6420-IBZ25-A2T is a 32-bit ARM Cortex-M3 MCU from the Stellaris 6000 series. 25 MHz core, 96 KB Flash, 32K x 8 RAM, Ethernet, 46 I/O, -40 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":"25MHz","Series":"Stellaris® ARM® Cortex®-M3S 6000","Package":"Tape & Reel (TR)","RAM Size":"32K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"Ethernet, IrDA, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"46","Core Processor":"ARM® Cortex®-M3","Package / Case":"108-LFBGA","Product Status":"Obsolete","Data Converters":"-","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S6420","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/LM3S6420-IBZ25-A2T/alternatives.json"},"ai":{"faq":[{"question":"Does LM3S6420-IBZ25-A2T have Ethernet?","answer":"Yes, the LM3S6420-IBZ25-A2T includes an Ethernet interface as part of its connectivity set, alongside IrDA, Microwire, SPI, SSI, and UART/USART."},{"question":"What is the replacement for LM3S6420-IBZ25-A2T?","answer":"Texas Instruments has not published an official direct replacement for the LM3S6420-IBZ25-A2T. The Stellaris 6000 series is a mature portfolio; a pin-compatible second source is not listed in the available documentation. For a production BOM, the only option is sourcing the exact order code through independent distribution."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S6420-IBZ25-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/LM3S6420-IBZ25-A2T when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}