{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L071K8U3","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L071K8U3","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L071K8U3","factsUrl":"https://icboms.com/api/mcp/products/STM32L071K8U3","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L071K8U3, ARM Cortex-M0+ 32-bit MCU, 32 MHz, 64 KB Flash, 20 KB RAM, 3 KB EEPROM, 1.65 V to 3.6 V, -40 to 125 °C, 32-UFQFPN (5x5 mm).","salesMarkdown":"## 32 MHz Cortex-M0+ with 125°C junction rating It integrates 3 KB of on-chip EEPROM for parameter storage, avoiding an external serial EEPROM. ## Peripherals and I/O in a 5x5 mm package On-chip peripherals include a 10-channel 12-bit ADC, brown-out detect, POR, PWM, WDT, and DMA — enough for closed-loop control and data logging without external glue logic. ST lists the STM32L071K8U3 as Active (current production) with ROHS3 compliance.","metaTitle":"STM32L071K8U3 MCU, ARM Cortex-M0+, 32 MHz, 64 KB Flash","metaDescription":"STMicroelectronics STM32L071K8U3 32-bit ARM Cortex-M0+ MCU, 32 MHz, 64 KB Flash, 20 KB RAM, 3 KB EEPROM, -40 to 125°C, 32-UFQFPN.","metaKeywords":null},"attributes":{"series":"STM32L0","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"32MHz","Series":"STM32L0","Package":"Tray","RAM Size":"20K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"3K x 8","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT","Connectivity":"I²C, IrDA, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"23","Core Processor":"ARM® Cortex®-M0+","Package / Case":"32-UFQFN Exposed Pad","Product Status":"Active","Data Converters":"A/D 10x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L071","Program Memory Size":"64KB (64K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 125°C (TA)","Supplier Device Package":"32-UFQFPN (5x5)","Voltage - Supply (Vcc/Vdd)":"1.65V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.7000","priceTiers":[{"qty":1,"price":"$4.70000","currency":"USD"},{"qty":10,"price":"$4.22000","currency":"USD"},{"qty":25,"price":"$3.98920","currency":"USD"},{"qty":80,"price":"$3.45750","currency":"USD"},{"qty":230,"price":"$3.28013","currency":"USD"},{"qty":440,"price":"$2.94327","currency":"USD"},{"qty":945,"price":"$2.48228","currency":"USD"},{"qty":2940,"price":"$2.35816","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/22d621a76748b868dc4a8fc30085ea48.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L071K8U3/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between STM32L071K8U3 and STM32L071K8U6?","answer":"The STM32L071K8U3 and STM32L071K8U6 share the same core, memory, and peripherals. For designs that must operate above 85°C ambient, the U3 is the correct choice."},{"question":"Is STM32L071K8U3 compatible with STM32CubeMX?","answer":"Yes, the STM32L071K8U3 is supported in STM32CubeMX. The tool generates HAL and LL initialization code for the STM32L0 series, including pin configuration, clock tree setup, and peripheral middleware."},{"question":"What is the closest functional second-source to STM32L071K8U3?","answer":"The STM32L151CBU6A is a functional alternative within ST's portfolio, but it uses a Cortex-M3 core with a wider peripheral set (USB, capacitive sensing, dual DAC) and a 1.8 V supply. It is not pin-compatible — the L151 comes in a 48-pin package with 37 I/O. For a drop-in replacement, stick with the STM32L0 series; the STM32L071K8U6 (85°C grade) shares the same footprint."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L071K8U3","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L071K8U3 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}}