{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L471QEI7TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L471QEI7TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L471QEI7TR","factsUrl":"https://icboms.com/api/mcp/products/STM32L471QEI7TR","rawCanonicalId":null},"summary":{"shortDescription":"ST STM32L4 series ARM Cortex-M4 32-bit MCU, 80 MHz, 512 KB Flash, 128 KB RAM, 109 I/O, 132-UFBGA, -40 to 105°C.","salesMarkdown":"The STM32L471QEI7TR is a 32-bit ARM Cortex-M4 MCU from ST's STM32L4 ultra-low-power series, clocked at 80 MHz with 512 KB of Flash program memory and 128 KB of SRAM. It packs 109 I/O, a rich peripheral set including CANbus, multiple I²C/SPI/UART interfaces, QSPI, and a 19-channel 12-bit ADC plus dual 12-bit DAC. The part is specified over the -40°C to 105°C industrial temperature range and runs from a 1.71 V to 3.6 V supply. This is the tape-and-reel variant (132-UFBGA 7x7 mm) aimed at volume production. ## Industrial temperature and package — deployment context","metaTitle":"ST STM32L471QEI7TR ARM Cortex-M4 MCU, 80 MHz, 512 KB Flash","metaDescription":"STM32L471QEI7TR 32-bit MCU, 80 MHz Cortex-M4, 512 KB Flash, 128 KB RAM, 109 I/O, -40 to 105°C, 132-UFBGA. Sourced to order, RFQ for availability.","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":"Tape & Reel (TR)","RAM Size":"128K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, PWM, WDT","Connectivity":"CANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"109","Core Processor":"ARM® Cortex®-M4","Package / Case":"132-UFBGA","Product Status":"Active","Data Converters":"A/D 19x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L471","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"132-UFBGA (7x7)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.9307","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a8bdd65b87cb8aa084c5e1f90ea16523.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L471QEI7TR/alternatives.json"},"ai":{"faq":[{"question":"What is the operating temperature range of STM32L471QEI7TR?","answer":"It is rated for -40°C to 105°C, making it suitable for industrial and automotive under-hood environments (though not AEC-Q100 qualified per the listing)."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L471QEI7TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L471QEI7TR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T10:39:33.080Z","lastPublished":"2026-07-16T10:39:33.080Z","indexable":true}}