{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L471ZET6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L471ZET6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L471ZET6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32L471ZET6TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L471ZET6TR, STM32L4 series, 32-bit ARM Cortex-M4 MCU, 80 MHz, 512 KB Flash, 128 KB SRAM, 109 I/O, 144-LQFP, -40°C to 85°C, 1.71 V to 3.6 V supply.","salesMarkdown":"The 109 I/O lines in a 144-LQFP package suit designs that need parallel display interfaces or multiple sensor inputs — think industrial gateways, battery-powered data loggers, or mid-complexity motor-control panels. ## Connectivity and peripherals On the peripheral side, the MCU includes CANbus, I²C, SPI, UART/USART, QSPI, SAI, and SWPMI — enough wired interfaces to handle sensor fusion, display communication, and fieldbus bridging without external transceivers (except for CAN). ## Package and mounting Housed in a 144-LQFP (20x20 mm) with surface-mount termination, this is a standard fine-pitch QFP that reflows on a typical lead-free profile. ## Lifecycle and sourcing posture This is a standard catalog part from ST, available through the usual authorized channels.","metaTitle":"STM32L471ZET6TR STM32L4 ARM Cortex-M4 MCU, 80 MHz","metaDescription":"STMicroelectronics STM32L471ZET6TR 32-bit ARM Cortex-M4 MCU at 80 MHz with 512 KB Flash, 128 KB SRAM, 109 I/O, 144-LQFP. Industrial temp range -40°C to 85°C.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"80MHz","Series":"STM32L4","Package":"Tape & Reel (TR)","RAM Size":"128K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, PWM, WDT","Connectivity":"CANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"109","Core Processor":"ARM® Cortex®-M4","Package / Case":"144-LQFP","Product Status":"Active","Data Converters":"A/D 19x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L471","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"144-LQFP (20x20)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.1825","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a8bdd65b87cb8aa084c5e1f90ea16523.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to STM32L471ZET6TR?","answer":"Within the STM32L4 series, the STM32L476ZET6 shares the same 144-LQFP footprint and pinout, but offers a different peripheral set (e.g., additional USARTs). Check the STM32L4 reference manual for the exact peripheral mapping before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L471ZET6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L471ZET6TR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T12:40:09.302Z","lastPublished":"2026-07-16T12:40:09.302Z","indexable":true}}