{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L041K6U6D","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L041K6U6D","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L041K6U6D","factsUrl":"https://icboms.com/api/mcp/products/STM32L041K6U6D","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L041K6U6D, STM32L0 series 32-bit ARM Cortex-M0+ MCU, 32KB FLASH, 8KB RAM, 1KB EEPROM, 32MHz, 1.8V–3.6V supply, 25 I/O, 10-channel 12-bit ADC, 32-UFQFPN (5x5) exposed-pad package, -40°C to 85°C.","salesMarkdown":"## Memory map and peripheral set — what fits and what doesn't The 32 KB Flash (32K x 8) is sized for compact firmware images — think a single-threaded sensor readout loop with a BLE stack or a simple motor-control algorithm. The 8 KB SRAM (8K x 8) supports moderate data buffers; if your application needs a large frame buffer or a real-time OS with multiple stacks, you'll bump against the ceiling. The 1 KB EEPROM (1K x 8) is a differentiator: it stores calibration constants, node IDs, and fault logs without wearing the Flash or adding an external part. ## 25 I/O in a 5x5 mm exposed-pad package With 25 I/O lines in a 32-UFQFN package measuring 5x5 mm (exposed pad), this part fits on cramped PCBs for wearables, smart sensors, and compact control modules.","metaTitle":"STM32L041K6U6D ARM Cortex-M0+ MCU, 32KB Flash, 32MHz","metaDescription":"STMicroelectronics STM32L041K6U6D 32-bit ARM Cortex-M0+ MCU, 32KB Flash, 8KB RAM, 1KB EEPROM, 32MHz, 1.8V-3.6V, 25 I/O, 10ch 12-bit ADC, -40°C to 85°C","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"32MHz","Series":"STM32L0","Package":"Tray","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"1K x 8","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"25","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":"STM32L041","Program Memory Size":"32KB (32K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"32-UFQFPN (5x5)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.7024","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/753c77324476fdd7794c6f26274fa242.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L041K6U6D/alternatives.json"},"ai":{"faq":[{"question":"Is STM32L041K6U6D obsolete?","answer":"No."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L041K6U6D","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L041K6U6D 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}}