{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"LM3S328-EQN25-C2","brand":"Texas Instruments","brandSlug":"texas-instruments","productSlug":"LM3S328-EQN25-C2","canonicalUrl":"https://icboms.com/texas-instruments/LM3S328-EQN25-C2","factsUrl":"https://icboms.com/api/mcp/products/LM3S328-EQN25-C2","rawCanonicalId":null},"summary":{"shortDescription":"Texas Instruments Stellaris ARM Cortex-M3S 300 series 32-bit MCU, LM3S328-EQN25-C2, 25 MHz, 16 KB Flash, 4K x 8 RAM, 28 I/O, 48-LQFP, -40°C to 105°C.","salesMarkdown":"## 25 MHz ARM Cortex-M3 with 16 KB Flash — what you get The LM3S328-EQN25-C2: It is a 32-bit single-core device in a 48-LQFP package with 28 GPIOs. The part includes an 8-channel 10-bit ADC, internal oscillator, and a peripheral set covering I²C, SPI, SSI, Microwire, and UART/USART interfaces. Brown-out detect, POR, PWM, and WDT are integrated. ## Obsolete — last-time-buy cycle closed Obsolete product status. Texas Instruments has ended production; the last-time-buy window is closed. Sourcing is limited to the surplus and broker channel. ## No official second source — broker channel only No pin-compatible or functional second source is listed for the LM3S328-EQN25-C2. The Stellaris 300 series has no direct cross-reference from another manufacturer. ## 48-LQFP — board-fit and handling 48-LQFP surface-mount device with a 7x7 mm body. Ships in tray form.","metaTitle":"LM3S328-EQN25-C2 Stellaris ARM Cortex-M3 MCU, 25 MHz","metaDescription":"Texas Instruments LM3S328-EQN25-C2 32-bit ARM Cortex-M3 MCU from Stellaris 300 series. 25 MHz, 16 KB Flash, 4 KB SRAM, 28 I/O, -40°C to 105°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 300","Package":"Tray","RAM Size":"4K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"I²C, Microwire, SPI, SSI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"28","Core Processor":"ARM® Cortex®-M3","Package / Case":"48-LQFP","Product Status":"Obsolete","Data Converters":"A/D 8x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"LM3S328","Program Memory Size":"16KB (16K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~105°C(TA)","Supplier Device Package":"48-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"3V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.8900","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/47a181b8b99cd2b700efc344c2b6e241.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/LM3S328-EQN25-C2/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for LM3S328-EQN25-C2?","answer":"No official replacement or successor order code is recorded for the LM3S328-EQN25-C2. A redesign to a current-generation ARM Cortex-M3 or M4 MCU from TI or another vendor is required for new production. The Stellaris 300 series has no direct pin-compatible drop-in."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/texas-instruments/LM3S328-EQN25-C2","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/texas-instruments/LM3S328-EQN25-C2 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}}