{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L011K4U3","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L011K4U3","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L011K4U3","factsUrl":"https://icboms.com/api/mcp/products/STM32L011K4U3","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L0 series STM32L011K4U3, ARM Cortex-M0+ 32-bit MCU, 32MHz, 16KB Flash, 2K x 8 SRAM, 512 x 8 EEPROM, 1.65V-3.6V, -40°C to 125°C, 32-UFQFN exposed pad.","salesMarkdown":"## 16 KB Flash, 2 KB SRAM — sizing the firmware envelope The 512-byte EEPROM space holds calibration constants and configuration parameters without wearing the Flash. ## 32-UFQFN exposed pad — layout and thermal handling Housed in a 32-UFQFN exposed-pad package (5x5 mm body, supplier package 32-UFQFPN), this part demands a thermal-via stitch under the paddle if the application draws continuous current near the package limit.","metaTitle":"STM32L011K4U3 ARM Cortex-M0+ MCU, 16KB Flash, 32MHz","metaDescription":"STMicroelectronics STM32L011K4U3 32-bit MCU with 16KB Flash, 2KB SRAM, 512B EEPROM, 32MHz ARM Cortex-M0+, -40 to 125°C, 1.65-3.6V.","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":"2K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"512 x 8","Peripherals":"Brown-out Detect/Reset, DMA, POR, PWM, WDT","Connectivity":"I²C, IrDA, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"28","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":"STM32L011","Program Memory Size":"16KB (16K 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":"$1.5966","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/186ae0e234bc3e91c5436123bd03d6e8.pdf","sourceUrl":null},"ai":{"faq":[{"question":"How much flash memory does STM32L011K4U3 have?","answer":"The STM32L011K4U3 has 16 KB of Flash program memory (organized as 16K x 8)."},{"question":"What is the closest pin-compatible alternative to STM32L011K4U3 in this family?","answer":"Within the STM32L0 series, density variants such as the STM32L021K4 (with slightly more Flash and a different peripheral set) share the same 32-UFQFN footprint, but pin compatibility depends on the specific peripheral mix. The STM32L011K4U3 sits at the entry-density tier; moving up the STM32L0 family means checking the package and I/O count match before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L011K4U3","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L011K4U3 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T12:28:20.073Z","lastPublished":"2026-07-16T12:28:20.073Z","indexable":true}}