{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM8AF52A9TCY","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM8AF52A9TCY","canonicalUrl":"https://icboms.com/stmicroelectronics/STM8AF52A9TCY","factsUrl":"https://icboms.com/api/mcp/products/STM8AF52A9TCY","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM8A series STM8AF52A9TCY, 8-bit MCU, 24MHz, 128KB Flash, 6K x 8 RAM, 2K x 8 EEPROM, 52 I/O, CANbus, I2C, LINbus, SPI, UART/USART, AEC-Q100, -40°C to 125°C, 64-LQFP.","salesMarkdown":"For a production BOM that already specifies this order code, the existing allocation is still being fulfilled, but new design-ins should target the official successor or a validated second source. ## Automotive-grade 8-bit MCU with CAN On the peripheral side, it includes a CANbus controller, LINbus, I2C, SPI, and UART/USART interfaces, plus a 16-channel 10-bit ADC, PWM outputs, and a watchdog timer. ## Memory and peripheral fit The 2 KB EEPROM is useful for storing calibration parameters or fault codes that survive power loss without external EEPROM.","metaTitle":"STM8AF52A9TCY 8-bit MCU, 24 MHz, 128 KB Flash","metaDescription":"STM8AF52A9TCY 8-bit automotive MCU from STMicroelectronics: 24 MHz core, 128 KB Flash, 6 KB RAM, AEC-Q100 qualified.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"NRND","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Grade":"Automotive","Speed":"24MHz","Series":"STM8A","Package":"Tray","RAM Size":"6K x 8","Core Size":"8-Bit","EEPROM Size":"2K x 8","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"CANbus, I2C, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"52","Qualification":"AEC-Q100","Core Processor":"STM8A","Package / Case":"64-LQFP","Product Status":"Not For New Designs","Data Converters":"A/D 16x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM8","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 125°C (TA)","Voltage - Supply (Vcc/Vdd)":"3V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.8900","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a76a247b2d898b9b81fdf0b841467bbd.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM8AF52A9TCY/alternatives.json"},"ai":{"faq":[{"question":"Is STM8AF52A9TCY obsolete or still available?","answer":"It is not fully obsolete — existing production allocations can still be sourced — but new designs should not start with this part."},{"question":"Does STM8AF52A9TCY support CAN bus?","answer":"Yes, the STM8AF52A9TCY includes a CANbus controller as one of its connectivity peripherals, alongside I2C, LINbus, SPI, and UART/USART."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM8AF52A9TCY","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM8AF52A9TCY 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}}