{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L452RET3","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L452RET3","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L452RET3","factsUrl":"https://icboms.com/api/mcp/products/STM32L452RET3","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4 series, STM32L452RET3, ARM Cortex-M4 32-Bit MCU, 80MHz, 512KB Flash, 160K x 8 RAM, 52 I/O, CANbus, I²C, SPI, UART/USART, USB, 64-LQFP, -40 to 125°C.","salesMarkdown":"Designed for applications that balance processing throughput with power efficiency, it targets industrial control, motor drives, sensor hubs, and automotive body electronics where the 125°C rating allows deployment in under-hood or high-ambient environments. ## Memory and peripheral fit for production firmware The 52 I/O lines in the 64-LQFP package provide enough headroom for a sensor array or a human-machine interface with a parallel LCD. The ROHS3 compliance covers the current regulatory requirements for EU and global markets.","metaTitle":"STM32L452RET3 MCU, ARM Cortex-M4 80MHz, 512KB Flash, 64-LQFP","metaDescription":"STMicroelectronics STM32L452RET3 32-bit MCU with ARM Cortex-M4 core at 80MHz, 512KB Flash, 160KB SRAM, 52 I/O, -40 to 125°C. 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":"160K 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, 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 1x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L452","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 125°C (TA)","Supplier Device Package":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$9.6000","priceTiers":[{"qty":1,"price":"$9.60000","currency":"USD"},{"qty":10,"price":"$8.67100","currency":"USD"},{"qty":25,"price":"$8.26800","currency":"USD"},{"qty":80,"price":"$7.17900","currency":"USD"},{"qty":230,"price":"$6.85630","currency":"USD"},{"qty":440,"price":"$6.25136","currency":"USD"},{"qty":960,"price":"$5.44473","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/cad9ed35fe76f9279f9f7119d5fb8f94.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L452RET3/alternatives.json"},"ai":{"faq":[{"question":"What is STM32L452RET3's listed speed on this component line?","answer":"The core is an ARM Cortex-M4 running at 80 MHz, which provides the processing headroom for real-time control loops and DSP tasks without an external accelerator."},{"question":"Can STM32L452RET3 be used in low power applications?","answer":"Yes, it belongs to the STM32L4 ultra-low-power series and supports multiple low-power modes including Stop and Standby, with typical stop-mode current in the microamp range when the appropriate clock gating and voltage scaling are configured."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L452RET3","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L452RET3 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}}