{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L433RCI6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L433RCI6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L433RCI6","factsUrl":"https://icboms.com/api/mcp/products/STM32L433RCI6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4 series, STM32L433RCI6, ARM Cortex-M4, 32-Bit Single-Core, 80MHz, 256KB Flash, 64K x 8 RAM, 1.71V ~ 3.6V, -40°C ~ 85°C, 64-UFBGA.","salesMarkdown":"## 80 MHz Cortex-M4 with FPU in a 5x5 mm BGA The 64-UFBGA package (5x5 mm) saves board area in space-constrained designs like portable medical devices, field sensors, and battery-operated IoT nodes. ## Peripheral set and connectivity for mixed-signal control With 52 I/Os, the MCU offers CANbus, multiple I²C and SPI channels, a QSPI interface for external memory expansion, SAI for audio, and a full set of UART/USART plus IrDA and SWPMI. ## Industrial temperature grade and active lifecycle ROHS3 compliant.","metaTitle":"STM32L433RCI6 STM32L4 MCU, 80MHz Cortex-M4, 256KB Flash","metaDescription":"STM32L433RCI6 32-bit ARM Cortex-M4 MCU, 80MHz, 256KB Flash, 64K x 8 RAM, -40°C to 85°C, 1.71V-3.6V. Active lifecycle.","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":"Tray","RAM Size":"64K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, LCD, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"52","Core Processor":"ARM® Cortex®-M4","Package / Case":"64-UFBGA","Product Status":"Active","Data Converters":"A/D 16x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L433","Program Memory Size":"256KB (256K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"64-UFBGA (5x5)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.3400","priceTiers":[{"qty":1,"price":"$6.34000","currency":"USD"},{"qty":10,"price":"$5.73100","currency":"USD"},{"qty":25,"price":"$5.46480","currency":"USD"},{"qty":80,"price":"$4.74488","currency":"USD"},{"qty":230,"price":"$4.53170","currency":"USD"},{"qty":440,"price":"$4.13182","currency":"USD"},{"qty":945,"price":"$3.59869","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/6e323d1827cad59f98cd5297642b464c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L433RCI6/alternatives.json"},"ai":{"faq":[{"question":"Is STM32L433RCI6 obsolete?","answer":"No — the lifecycle status is Active. There is no end-of-life notice, last-time-buy, or NRND flag."},{"question":"What is a direct replacement or equivalent for STM32L433RCI6?","answer":"The STM32L151CBU6A is a functionally similar ARM Cortex-M3 MCU from the STM32L1 series, but it runs at 32 MHz (versus 80 MHz) and offers fewer I/Os (37 vs 52) and a different peripheral set. It is not a pin-compatible drop-in — evaluate the full BOM impact before substituting."},{"question":"How do I get current pricing and availability for STM32L433RCI6?","answer":"Submit an RFQ through this listing."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L433RCI6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L433RCI6 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}}