{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM8AL3L89TCY","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM8AL3L89TCY","canonicalUrl":"https://icboms.com/stmicroelectronics/STM8AL3L89TCY","factsUrl":"https://icboms.com/api/mcp/products/STM8AL3L89TCY","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM8A series, STM8AL3L89TCY, 8-Bit MCU, 16MHz, 64KB Flash, 4K x 8 RAM, 2K x 8 EEPROM, AEC-Q100, -40°C to 125°C, 64-LQFP.","salesMarkdown":"## 8-bit automotive MCU with 64 KB Flash and 16 MHz core The 64-LQFP package exposes 54 I/Os and includes a 28-channel 12-bit ADC and a 2-channel 12-bit DAC, along with peripherals such as LCD driver, DMA, PWM, and a brown-out detect/reset. The AEC-Q100 qualification adds the reliability screening required for production vehicles — thermal cycling, ESD, and latch-up testing are baked into the qualification. It is still available through independent distribution for existing production and maintenance requirements, but ST does not recommend starting a new design with this order code. For new projects, an alternative in the STM8A family should be evaluated for pin-compatibility and feature alignment. This is not a firm stock or lead-time promise — the supply posture is confirmed per inquiry.","metaTitle":"STMicroelectronics STM8AL3L89TCY 8-bit MCU, 64KB Flash","metaDescription":"STM8AL3L89TCY automotive 8-bit MCU with 64KB Flash, 4K RAM, 2K EEPROM, 16MHz core, -40°C to 125°C, AEC-Q100.","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":"Automotive, AEC-Q100, STM8A","Package":"Tray","RAM Size":"4K x 8","Core Size":"8-Bit","EEPROM Size":"2K x 8","Peripherals":"Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"54","Core Processor":"STM8","Package / Case":"64-LQFP","Product Status":"Not For New Designs","Data Converters":"A/D 28x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM8","Program Memory Size":"64KB (64K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 125°C (TA)","Supplier Device Package":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"1.65V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.9397","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/0093a44ad742d68422bcf71762e1079a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM8AL3L89TCY/alternatives.json"},"ai":{"faq":[{"question":"Is STM8AL3L89TCY obsolete?","answer":"It is not fully obsolete—it remains available for existing production through independent distribution—but STMicroelectronics recommends against using it in new designs."},{"question":"What is the replacement for STM8AL3L89TCY?","answer":"For new designs, evaluate other STM8A family members with similar Flash and RAM densities in the 64-LQFP package; a pin-compatible alternative within the family should be confirmed against the specific peripheral set (LCD driver, ADC/DAC channels) required by your application."},{"question":"Can STM8AL3L89TCY be used in new designs?","answer":"No. It should only be used for existing production or maintenance builds. A new design should target an active STM8A family member."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM8AL3L89TCY","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM8AL3L89TCY 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}}