{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S6420-IQC25-A2T","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S6420-IQC25-A2T","canonicalUrl":"https://icboms.com/texas-instruments/LM3S6420-IQC25-A2T","factsUrl":"https://icboms.com/api/mcp/products/LM3S6420-IQC25-A2T","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris® ARM® Cortex®-M3S 6000 series MCU, LM3S6420-IQC25-A2T, 32-Bit Single-Core, 25MHz, 96KB Flash, 32K x 8 RAM, Ethernet, IrDA, Microwire, SPI, SSI, UART/USART, 46 I/O, 2.25V~2.75V, -40°C~85°C, 100-LQFP.","salesMarkdown":"The Texas Instruments LM3S6420-IQC25-A2T is a 32-bit ARM Cortex-M3 MCU from the Stellaris® 6000 series, clocked at 25 MHz with 96 KB of Flash program memory and 32 KB of RAM. The 46 general-purpose I/O lines and on-chip peripherals (brown-out detect, POR, PWM, watchdog timer) cover the typical sensor-actuator interface needs of a mid-complexity embedded controller. At 25 MHz the Cortex-M3 executes single-cycle multiply and hardware divide, so a PID loop or Modbus packet handler finishes in deterministic time. This is not a high-throughput DSP core; it is sized for event-driven control where the Ethernet port carries occasional configuration frames or status reports, not streaming data. The 96 KB Flash holds a moderate firmware image with a TCP/IP stack and application logic; the 32 KB RAM leaves room for a few hundred bytes of packet buffer and local variables. ## Lifecycle: obsolete — sourcing reality The LM3S6420-IQC25-A2T is obsolete per the manufacturer. No direct pin-compatible replacement from TI's current Stellaris or Tiva-C portfolio is listed in the evidence.","metaTitle":"LM3S6420-IQC25-A2T Stellaris ARM Cortex-M3 MCU, 25 MHz, 96 KB Flash","metaDescription":"LM3S6420-IQC25-A2T Stellaris ARM Cortex-M3 MCU, 25 MHz, 96 KB Flash, 32 KB RAM, Ethernet, -40 to 85°C, 100-LQFP. 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":"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":"100-LQFP","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":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"2.25V ~ 2.75V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$14.6200","priceTiers":null},"links":{"datasheetUrl":null,"sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S6420-IQC25-A2T/alternatives.json"},"ai":{"faq":[{"question":"What are the specifications of LM3S6420-IQC25-A2T?","answer":"The LM3S6420-IQC25-A2T is a 32-bit ARM Cortex-M3 MCU from the Stellaris 6000 series, clocked at 25 MHz, with 96 KB Flash, 32 KB RAM, Ethernet MAC+PHY, IrDA, SPI, SSI, UART/USART, 46 I/O, operating from 2.25 V to 2.75 V over -40°C to 85°C, in a 100-LQFP package."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S6420-IQC25-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-IQC25-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}}