{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L433CCT6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L433CCT6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L433CCT6","factsUrl":"https://icboms.com/api/mcp/products/STM32L433CCT6","rawCanonicalId":null},"summary":{"shortDescription":"ST STM32L4 series, ARM Cortex-M4, 32-bit, 80MHz, 256KB Flash, 64K x 8 RAM, 48-LQFP, -40°C~85°C.","salesMarkdown":"The 64 KB SRAM gives you room for double-buffered ADC data and a modest RTOS heap. If your firmware runs a floating-point library, the M4's FPU cuts the cycle count on math-heavy tasks versus an M3 or M0+. ## Connectivity and peripheral mix for industrial and IoT edge designs The STM32L433CCT6 carries CANbus for industrial fieldbus bridging, USB for direct host or device connection, and QSPI for high-speed external memory or display interfaces. The 38 GPIOs in the 48-pin package leave enough headroom for a keypad, a small TFT, and a few status LEDs alongside the serial buses. The STM32L4 series is a current-generation platform from ST, so roadmap continuity is solid — no imminent EOL risk.","metaTitle":"STM32L433CCT6 STM32L4 MCU, ARM Cortex-M4 80MHz, 256KB Flash","metaDescription":"STM32L433CCT6 32-bit ARM Cortex-M4 MCU at 80 MHz with 256 KB Flash, 64 KB SRAM, 48-LQFP. Active, 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":"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":"38","Core Processor":"ARM® Cortex®-M4","Package / Case":"48-LQFP","Product Status":"Active","Data Converters":"A/D 10x12b; 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":"48-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.3000","priceTiers":[{"qty":1,"price":"$7.30000","currency":"USD"},{"qty":10,"price":"$6.59600","currency":"USD"},{"qty":25,"price":"$6.28960","currency":"USD"},{"qty":80,"price":"$5.46125","currency":"USD"},{"qty":230,"price":"$5.21578","currency":"USD"},{"qty":440,"price":"$4.75559","currency":"USD"},{"qty":1500,"price":"$4.18380","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/6e323d1827cad59f98cd5297642b464c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L433CCT6/alternatives.json"},"ai":{"faq":[{"question":"Is STM32L433CCT6 RoHS compliant?","answer":"No additional compliance paperwork is needed for lead-free assembly."},{"question":"What is the difference between STM32L433CCT6 and STM32L433RCT6?","answer":"The STM32L433CCT6 comes in a 48-LQFP package (7x7 mm) with 38 I/Os, while the STM32L433RCT6 uses a 64-LQFP package with more I/O pins. The core, memory, and peripheral set are identical — the package and pin count are the deciding factor for board area and signal count."},{"question":"Can STM32L433CCT6 be used with an external crystal?","answer":"Yes, the MCU supports external crystals for the HSE (high-speed external) and LSE (low-speed external) oscillators. The internal oscillator is also available as a clock source, but an external crystal provides better frequency accuracy for precision timing or USB operation."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L433CCT6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L433CCT6 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}}