{"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. STMicroelectronics lists the STM32L041K6U6D with an active product status. There is no announced last-time-buy or end-of-life notice.","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","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/753c77324476fdd7794c6f26274fa242.pdf","sourceUrl":null},"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":"2026-07-16T13:34:08.253Z","lastPublished":"2026-07-16T13:34:08.253Z","indexable":true}}