{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM8S903F3P6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM8S903F3P6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM8S903F3P6","factsUrl":"https://icboms.com/api/mcp/products/STM8S903F3P6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM8S903F3P6, STM8S series 8-bit MCU, 16 MHz, 8 KB Flash, 1K x 8 RAM, 640 x 8 EEPROM, 16 I/O, I²C/SPI/UART, A/D 5x10b, 2.95V–5.5V, -40°C–85°C, 20-TSSOP.","salesMarkdown":"## An 8-bit MCU for cost-sensitive control applications The STMicroelectronics STM8S903F3P6 is an 8-bit microcontroller from the STM8S family, built around the STM8 core and clocked at 16 MHz. With 16 general-purpose I/O pins in a 20-TSSOP package, this MCU fits space-constrained PCBs. The industrial temperature range also covers most consumer and appliance use cases.","metaTitle":"ST STM8S903F3P6 8-bit MCU, 16 MHz, 8 KB Flash, TSSOP-20","metaDescription":"STMicroelectronics STM8S903F3P6 8-bit MCU, 16 MHz core, 8 KB Flash, 1 KB RAM, 640 B EEPROM, TSSOP-20, -40 to 85°C. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"16MHz","Series":"STM8S","Package":"Tray","RAM Size":"1K x 8","Core Size":"8-Bit","EEPROM Size":"640 x 8","Peripherals":"Brown-out Detect/Reset, POR, PWM, WDT","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"16","Core Processor":"STM8","Package / Case":"20-TSSOP (0.173\\\", 4.40mm Width)","Product Status":"Active","Data Converters":"A/D 5x10b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM8","Program Memory Size":"8KB (8K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"20-TSSOP","Voltage - Supply (Vcc/Vdd)":"2.95V ~ 5.5V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.8800","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/99a7192c520a3283640c68821053efb2.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM8S903F3P6/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between STM8S903F3P6 and STM8S903F3P3?","answer":"The STM8S903F3P3 is the same MCU in a 20-SOIC package, while the STM8S903F3P6 comes in a 20-TSSOP package. The TSSOP variant has a narrower body width (4.40 mm vs SOIC) and a finer lead pitch, which matters for board area and assembly yield. All other specs — 16 MHz core, 8 KB Flash, 1 KB RAM, 640 B EEPROM, peripherals, and temperature range — are identical."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM8S903F3P6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM8S903F3P6 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}}