{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L452CEU3","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L452CEU3","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L452CEU3","factsUrl":"https://icboms.com/api/mcp/products/STM32L452CEU3","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4 series ARM Cortex-M4 MCU, 80 MHz, 512 KB Flash, 160 KB SRAM, 1.71-3.6V, -40 to 125°C, 48-UFQFPN.","salesMarkdown":"## 80 MHz Cortex-M4 in a compact 48-pin package This removes the end-of-life risk for production programs and allows new designs to proceed without planning for a forced migration. ## Sourcing posture The active status means no shortage premium from forced end-of-life buys, though lead times should be checked against your build schedule.","metaTitle":"STM32L452CEU3 ARM Cortex-M4 MCU, 80 MHz, 512 KB Flash","metaDescription":"STMicroelectronics STM32L452CEU3 32-bit MCU with ARM Cortex-M4 core at 80 MHz, 512 KB Flash, 160 KB SRAM, 1.71-3.6V supply, -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, QSPI, SAI, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"38","Core Processor":"ARM® Cortex®-M4","Package / Case":"48-UFQFN Exposed Pad","Product Status":"Active","Data Converters":"A/D 10x12b; 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":"48-UFQFPN (7x7)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$8.8600","priceTiers":[{"qty":1,"price":"$8.86000","currency":"USD"},{"qty":10,"price":"$8.00000","currency":"USD"},{"qty":25,"price":"$7.62760","currency":"USD"},{"qty":80,"price":"$6.62288","currency":"USD"},{"qty":230,"price":"$6.32526","currency":"USD"},{"qty":440,"price":"$5.76714","currency":"USD"},{"qty":1560,"price":"$5.02300","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/cad9ed35fe76f9279f9f7119d5fb8f94.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L452CEU3/alternatives.json"},"ai":{"faq":[{"question":"Is STM32L452CEU3 compatible with the STM32L4 family?","answer":"Yes, it is part of the STM32L4 series and shares the same peripheral architecture, pin compatibility within the 48-pin UFQFPN footprint, and the ultra-low-power design philosophy across the L4 family."},{"question":"How does STM32L452CEU3 compare to the older STM32L151CBU6A?","answer":"The STM32L452CEU3 runs at 80 MHz versus 32 MHz on the L151, carries 512 KB Flash versus 128 KB, and operates up to 125°C versus 85°C. Both are 32-bit ARM cores, but the L452 uses the Cortex-M4 with FPU and DSP extensions, while the L151 uses the Cortex-M3 without hardware floating-point."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L452CEU3","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L452CEU3 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}}