{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L431CCY6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L431CCY6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L431CCY6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32L431CCY6TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4 series, STM32L431CCY6TR, 32-bit ARM Cortex-M4 MCU, 80MHz, 256KB Flash, 64KB SRAM, 1.71V-3.6V supply, 49-WLCSP, -40°C to 85°C.","salesMarkdown":"## Supply voltage and power – why 1.71 V matters The STM32L431CCY6TR: The 1.71 V minimum supply (Vcc/Vdd) lets the MCU run directly from a lithium primary cell without a boost converter. The 3.6 V maximum covers USB VBUS only via external regulator.","metaTitle":"STM32L431CCY6TR – STM32L4 ARM Cortex-M4 80MHz MCU","metaDescription":"STM32L431CCY6TR 32-bit ARM Cortex-M4 MCU, 80MHz, 256KB Flash, 64KB SRAM, 1.71V-3.6V supply, 49-WLCSP. Active lifecycle. Request RFQ.","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); Cut Tape (CT)","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"39","Core Processor":"ARM® Cortex®-M4","Package / Case":"49-UFBGA, WLCSP","Product Status":"Active","Data Converters":"A/D 10x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L431","Program Memory Size":"256KB (256K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"49-WLCSP (3.14x3.13)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.9900","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/5001c15c5be880a0e65d1dfc08e4f0cc.pdf","sourceUrl":null},"ai":{"faq":[],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L431CCY6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L431CCY6TR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T12:41:22.247Z","lastPublished":"2026-07-16T12:41:22.247Z","indexable":true}}