{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L011F4U6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L011F4U6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L011F4U6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32L011F4U6TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L0 series STM32L011F4U6TR, ARM Cortex-M0+, 32-bit single-core MCU, 32 MHz, 16 KB Flash, 2K x 8 RAM, 512 x 8 EEPROM, 20-UFQFPN (3x3 mm), -40 to 85°C.","salesMarkdown":"The STM32L011F4U6TR is an ultra-low-power 32-bit MCU from STMicroelectronics built around the ARM Cortex-M0+ core running at 32 MHz. This part targets battery-operated sensor endpoints, IoT nodes, portable medical monitors, and industrial data loggers where every microamp of sleep current and every square millimeter of PCB area matters. ## 16 KB Flash, 2 KB SRAM — sizing the firmware budget The 16 KB Flash (16K x 8) is the hard ceiling for your application code. That is enough for a Bluetooth LE stack trimmed to a GATT server with a few characteristics, a Modbus RTU slave on the UART, or a simple PID loop with a few sensor reads. The 2 KB SRAM is the tighter constraint — if your application uses a large DMA buffer, a display frame buffer, or multiple protocol stacks, you will hit the wall. The 512 x 8 EEPROM is a genuine advantage over parts that emulate EEPROM in Flash: you can write individual bytes without erase cycles, and the endurance is separate from the Flash wear. For designs that log calibration data or fault counters, this avoids a wear-leveling scheme in software. The 1.65 V minimum supply voltage lets this MCU run from a nearly depleted alkaline cell (nominal 1.5 V drops to ~1.0 V at end of life, but the part stays operational down to 1.65 V — you still need a boost converter below that). At the top end, 3.6 V covers a Li-ion battery fully charged at 4.2 V with a series diode drop, or a 3.3 V rail with headroom. The wide range simplifies power architecture in coin-cell or dual-AA designs. Brown-out detect and POR are integrated peripherals, so you do not need an external supervisor for reliable startup and shutdown. If your design needs to survive a hot rooftop in summer or a freezer warehouse, this part fits without a commercial-to-industrial uprate. ## I/O and connectivity — 16 pins, four serial interfaces The 7-channel 12-bit ADC is enough for reading analog sensors like thermistors, potentiometers, or current-sense resistors. There is no DAC, no USB, no CAN — if you need those, the STM32L0 family has larger members, but for a simple sensor node the peripherals here cover the essentials without paying for unused silicon. The ROHS3 compliance covers EU and global regulatory requirements for lead-free assembly.","metaTitle":"STM32L011F4U6TR MCU, ARM Cortex-M0+, 32 MHz, 16 KB Flash","metaDescription":"STM32L011F4U6TR 32-bit MCU from STMicroelectronics STM32L0 series: ARM Cortex-M0+ core at 32 MHz, 16 KB Flash, 2 KB SRAM, 512 B EEPROM.","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":"Tape & Reel (TR) Cut Tape (CT)","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":"16","Core Processor":"ARM® Cortex®-M0+","Package / Case":"20-UFQFN","Product Status":"Active","Data Converters":"A/D 7x12b","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 ~ 85°C (TA)","Supplier Device Package":"20-UFQFPN (3x3)","Voltage - Supply (Vcc/Vdd)":"1.65V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.5100","priceTiers":[{"qty":1,"price":"$2.51000","currency":"USD"},{"qty":10,"price":"$2.25000","currency":"USD"},{"qty":25,"price":"$2.12320","currency":"USD"},{"qty":100,"price":"$1.80880","currency":"USD"},{"qty":250,"price":"$1.69840","currency":"USD"},{"qty":500,"price":"$1.48612","currency":"USD"},{"qty":1000,"price":"$1.23135","currency":"USD"},{"qty":3000,"price":"$1.14643","currency":"USD"},{"qty":6000,"price":"$1.10397","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/9c099abe8e75939b63e0c0b04b4c1a1d.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L011F4U6TR/alternatives.json"},"ai":{"faq":[{"question":"Where can I buy the STM32L011F4U6TR and how is it quoted?","answer":"Submit an RFQ for your target quantity and we will return a firm offer."},{"question":"Is the STM32L011F4U6TR compatible with the STM32L011F3?","answer":"Yes, the STM32L011F4U6TR and STM32L011F3 share the same base product number STM32L011 and are pin-compatible in the same 20-UFQFPN package. The F4 variant offers 16 KB Flash versus 8 KB on the F3, making it a drop-in upgrade for firmware that needs more code space."},{"question":"What is the closest functional second-source for the STM32L011F4U6TR?","answer":"Within ST's own portfolio, the STM32L151CBU6A is a larger-device alternative with an ARM Cortex-M3 core, 37 I/O, USB, and dual DACs — but it is not pin-compatible and targets a different power/performance tier. For a direct second-source, there is no exact pin-compatible alternate from another manufacturer; the STM32L0 series is ST-specific. Plan for single-source risk and secure buffer stock through your distributor."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L011F4U6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L011F4U6TR 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}}