{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L431RCT6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L431RCT6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L431RCT6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32L431RCT6TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4 series, ARM® Cortex®-M4, 32-Bit Single-Core, 80 MHz, 256KB Flash, 64K x 8 RAM, 1.71V ~ 3.6V, -40°C ~ 85°C, 64-LQFP, Surface Mount.","salesMarkdown":"## Peripheral and I/O fit — what connects without glue The STM32L431RCT6TR: Fifty-two general-purpose I/O lines, plus CANbus, QSPI, SAI, and SWPMI on-chip. The base product number STM32L431 covers a density family, so if a future revision needs more Flash or a different package, the migration path stays within the same peripheral set.","metaTitle":"STM32L431RCT6TR STMicroelectronics ARM Cortex-M4 MCU, 80 MHz","metaDescription":"STM32L431RCT6TR is a 32-bit ARM Cortex-M4 MCU at 80 MHz with 256 KB Flash, 64 KB SRAM, 1.71-3.6 V supply. Active lifecycle, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":"STM32L4","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","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, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"52","Core Processor":"ARM® Cortex®-M4","Package / Case":"64-LQFP","Product Status":"Active","Data Converters":"A/D 16x12b; 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":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.6100","priceTiers":[{"qty":1,"price":"$6.61000","currency":"USD"},{"qty":10,"price":"$5.93300","currency":"USD"},{"qty":25,"price":"$5.60920","currency":"USD"},{"qty":100,"price":"$4.86130","currency":"USD"},{"qty":250,"price":"$4.61200","currency":"USD"},{"qty":500,"price":"$4.13836","currency":"USD"},{"qty":1000,"price":"$3.49018","currency":"USD"},{"qty":2000,"price":"$3.31567","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/6a1fdbdd0d5a7a205eecf25d7ff32326.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L431RCT6TR/alternatives.json"},"ai":{"faq":[{"question":"What is the STM32L431RCT6TR equivalent or cross reference?","answer":"A functional peer within the STM32 portfolio is the STM32L151CBU6A (Cortex-M3, 32 MHz, 37 I/O, USB). The STM32L431RCT6TR runs at a higher clock speed (80 MHz vs 32 MHz), offers more I/O (52 vs 37), and adds QSPI and SAI connectivity. The two are not pin-compatible — the STM32L431RCT6TR uses a 64-LQFP package versus the STM32L151CBU6A's UFQFPN-48."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L431RCT6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L431RCT6TR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}