{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L081CZU6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L081CZU6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L081CZU6","factsUrl":"https://icboms.com/api/mcp/products/STM32L081CZU6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L0 series, ARM Cortex-M0+ 32-bit MCU, 32 MHz, 192 KB Flash, 20 KB SRAM, 6 KB EEPROM, 40 I/O, 48-UFQFN exposed pad, -40°C to 85°C.","salesMarkdown":"## ARM Cortex-M0+ at 32 MHz — the ultra-low-power workhorse The STM32L081CZU6: Runs at 32 MHz with 192 KB Flash, 20 KB SRAM, and 6 KB EEPROM. ## 192 KB Flash + 6 KB EEPROM — memory mix for field-updatable designs 192 KB Flash (192 K x 8) and 20 KB SRAM. 6 KB EEPROM stores calibration constants without wearing Flash. 40 I/O lines in the 48-UFQFPN (7x7 mm) package. ## Peripheral set and connectivity Connectivity covers I²C, IrDA, LINbus, SPI, and UART/USART, so it talks to common sensors, displays, and transceivers without level shifters in most cases. The 13-channel 12-bit ADC is enough for reading multiple analog sensors — thermistors, potentiometers, current shunts — without an external mux. The internal reference is adequate for 8-bit accuracy; for the full 12-bit range a cleaner external reference improves INL. The base product number is STM32L081, and the full family includes density and package variants that share the same peripheral set, so a migration to a larger Flash or different pin count stays within the same firmware base.","metaTitle":"STM32L081CZU6 ARM Cortex-M0+ MCU, 32 MHz, 192 KB Flash","metaDescription":"STMicroelectronics STM32L081CZU6 32-bit MCU with ARM Cortex-M0+ core at 32 MHz, 192 KB Flash, 20 KB SRAM, 6 KB EEPROM. Industrial temp -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":"20K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"6K x 8","Peripherals":"Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"40","Core Processor":"ARM® Cortex®-M0+","Package / Case":"48-UFQFN Exposed Pad","Product Status":"Active","Data Converters":"A/D 13x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L081","Program Memory Size":"192KB (192K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"48-UFQFPN (7x7)","Voltage - Supply (Vcc/Vdd)":"1.65V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.4798","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/919d50f80283a1a9ea6ebcd55c5f2660.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to STM32L081CZU6?","answer":"Within the STM32L0 series, the STM32L071CZU6 and STM32L073CZU6 share the same 48-UFQFPN footprint and pinout but differ in Flash and SRAM densities. The STM32L081CZU6 sits at the higher end with 192 KB Flash and 20 KB SRAM plus 6 KB EEPROM, so a drop-in replacement would be another STM32L081 variant in the same package. No second-source manufacturer produces a pin-compatible part for this exact order code."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L081CZU6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L081CZU6 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T12:40:19.330Z","lastPublished":"2026-07-16T12:40:19.330Z","indexable":true}}