{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L412RBI6P","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L412RBI6P","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L412RBI6P","factsUrl":"https://icboms.com/api/mcp/products/STM32L412RBI6P","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4 series, STM32L412RBI6P, ARM Cortex-M4 32-Bit Single-Core MCU, 80MHz, 128KB Flash, 40K x 8 RAM, 1.71V ~ 3.6V, 52 I/O, 64-UFBGA, -40°C ~ 85°C.","salesMarkdown":"## 80 MHz Cortex-M4 with 128 KB Flash — the low-power workhorse It is built for energy-sensitive designs that still need the DSP extensions and single-precision FPU of the M4 core — think battery-powered sensor nodes, portable medical devices, and industrial wireless gateways where every microamp in sleep mode counts. ## Industrial temperature grade and compact BGA footprint The 64-UFBGA package measures 5x5 mm — a dense ball grid array that keeps the PCB footprint small but requires careful fanout and a controlled impedance stackup if you route the Quad SPI or USB signals. The 52 available I/O pins give enough headroom for a parallel display interface, external memory bus, or a bank of sensor interrupts alongside the usual UART, I2C, and SPI peripherals. ## Peripheral set and connectivity for mixed-signal designs The connectivity block covers I2C, SPI, Quad SPI, UART/USART, LIN, IrDA, and USB, so it can talk to external Flash, radio modules, and sensor hubs without glue logic. The 16-channel 12-bit ADC handles analog inputs from thermistors, current shunts, or bridge sensors, which is typical for the STM32L4's target role as a mixed-signal host in field instrumentation. ## Active lifecycle — no obsolescence pressure on new designs For supply resilience, the base product number STM32L412 covers multiple Flash and package variants across the STM32L4 series, which gives you pin-compatible density options if the firmware grows beyond 128 KB.","metaTitle":"STM32L412RBI6P ARM Cortex-M4 MCU, 80 MHz, 128 KB Flash","metaDescription":"STMicroelectronics STM32L412RBI6P 32-bit MCU with ARM Cortex-M4 core at 80 MHz, 128 KB Flash, 40K x 8 RAM, industrial temp -40°C to 85°C, 64-UFBGA package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"80MHz","Series":"STM32L4","Package":"Tray","RAM Size":"40K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, PWM, WDT","Connectivity":"I2C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"52","Core Processor":"ARM® Cortex®-M4","Package / Case":"64-UFBGA","Product Status":"Active","Data Converters":"A/D 16x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L412","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"64-UFBGA (5x5)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.7766","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/59cb278680a203c58c9194c1c9266f14.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What package does STM32L412RBI6P use and what is the footprint?","answer":"It comes in a 64-UFBGA package with a 5x5 mm body. The supplier device package is 64-UFBGA (5x5), a fine-pitch ball-grid array that requires a multilayer PCB with microvias for fanout."},{"question":"What are the alternatives to STM32L412RBI6P in the STM32L4 family?","answer":"Within the STM32L4 series, pin-compatible alternatives include devices with higher Flash density (up to 512 KB) or additional SRAM, all sharing the same 64-UFBGA footprint and peripheral set. The base product number STM32L412 covers the 128 KB Flash tier; moving to STM32L432 or STM32L452 gives more memory while keeping the same core and package options."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L412RBI6P","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L412RBI6P when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T13:29:31.499Z","lastPublished":"2026-07-16T13:29:31.499Z","indexable":true}}