{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L443RCT6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L443RCT6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L443RCT6","factsUrl":"https://icboms.com/api/mcp/products/STM32L443RCT6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4 series, STM32L443RCT6, ARM Cortex-M4 32-bit MCU, 80 MHz, 256 KB Flash, 64 KB SRAM, 52 I/O, 64-LQFP, -40°C to 85°C.","salesMarkdown":"## 80 MHz Cortex-M4 with FPU — what it buys you The ARM Cortex-M4 core runs at 80 MHz with a single-precision floating-point unit. That clock rate puts it above the M3-class parts for DSP-style math (FIR filters, FFTs, motor-control loops) while staying in the power envelope that the STM32L4 architecture is known for. ## Connectivity and peripheral mix 52 I/O lines are available, and the peripheral list includes CANbus, USB, QSPI, SAI, multiple I²C and SPI ports, plus an LCD controller.","metaTitle":"STM32L443RCT6 ARM Cortex-M4 MCU, 80 MHz, 256 KB Flash","metaDescription":"STMicroelectronics STM32L443RCT6 is a 32-bit ARM Cortex-M4 MCU in the STM32L4 series. 80 MHz core, 256 KB Flash, 64 KB SRAM, 52 I/O, 64-LQFP.","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":"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-LQFP","Product Status":"Active","Data Converters":"A/D 16x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L443","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":"$8.2200","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/95850be2029da0766935bf1246526e77.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L443RCT6/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between STM32L443RCT6 and STM32L433RCT6?","answer":"Both are STM32L4 series Cortex-M4 MCUs with identical Flash and SRAM sizes. The STM32L443RCT6 adds a USB interface and a DAC, which the STM32L433RCT6 lacks. If your design needs USB connectivity or an on-chip DAC, the STM32L443RCT6 is the correct choice."},{"question":"What development board supports STM32L443RCT6?","answer":"The STM32L443RCT6 is pin-compatible with the STM32L4 series Nucleo-64 board (NUCLEO-L443RC) and the Discovery kit (STM32L4R9I-DISCO), both of which provide full access to the MCU's peripherals and debug interface."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L443RCT6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L443RCT6 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}