{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM8AF6266TAX","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM8AF6266TAX","canonicalUrl":"https://icboms.com/stmicroelectronics/STM8AF6266TAX","factsUrl":"https://icboms.com/api/mcp/products/STM8AF6266TAX","rawCanonicalId":null},"summary":{"shortDescription":"ST STM8A series STM8AF6266TAX, 8-bit MCU, 16 MHz, 32 KB Flash, 2K x 8 RAM, 1K x 8 EEPROM, 25 I/O, I²C/LINbus/SPI/UART, 7x10b ADC, 3V-5.5V, -40°C to 85°C, 32-LQFP.","salesMarkdown":"That means ST is still manufacturing it for existing production programs, but the part is on a known path toward end-of-life. For a production line already qualified on this MCU, the immediate concern is securing enough lifetime buy inventory before the EOL notice drops. For any new design, the smart move is to evaluate a pin-compatible or software-compatible STM8A sibling — ST's own STM8AF6266 (non-TAX suffix) or a later STM8AF variant in the same 32-LQFP package — before committing the BOM. ## Industrial temperature grade, automotive series It will handle engine-bay-adjacent environments and outdoor telecom cabinets, but not the 125°C under-hood zones where an AEC-Q100 125°C-grade MCU would be required.","metaTitle":"STM8AF6266TAX 8-bit MCU, 16 MHz, 32 KB Flash, NRND","metaDescription":"STM8AF6266TAX: 8-bit MCU, 16 MHz core, 32 KB Flash, 2 KB RAM, 1 KB EEPROM, -40°C to 85°C, 32-LQFP. NRND status.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"16MHz","Series":"STM8A","Package":"Tape & Reel (TR) Cut Tape (CT)","RAM Size":"2K x 8","Core Size":"8-Bit","EEPROM Size":"1K x 8","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"I²C, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"25","Core Processor":"STM8A","Package / Case":"32-LQFP","Product Status":"Not For New Designs","Data Converters":"A/D 7x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM8","Program Memory Size":"32KB (32K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"32-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"3V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.6400","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/50583dbf408c178457ce0059a412707e.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM8AF6266TAX/alternatives.json"},"ai":{"faq":[{"question":"What is a good replacement or alternative for STM8AF6266TAX?","answer":"The closest pin-compatible alternative within the STM8A family is the base STM8AF6266 (non-TAX suffix) in the same 32-LQFP package. For new designs, evaluate the STM8AF6286 or later STM8AF variants — check the STM8A product selector for exact Flash/RAM/EEPROM matches. No second-source from another manufacturer is confirmed in the available records."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM8AF6266TAX","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM8AF6266TAX when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}