{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L462REY6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L462REY6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L462REY6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32L462REY6TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32L4 series STM32L462REY6TR, ARM Cortex-M4 32-bit MCU, 80 MHz, 512KB Flash, 160K x 8 SRAM, 1.71V-3.6V, -40°C to 85°C, 64-WLCSP.","salesMarkdown":"The part is built for applications that need a balance of processing throughput and energy efficiency: industrial sensors, portable medical devices, battery-powered IoT nodes, and field instruments where every microamp counts. ## 512 KB Flash and 160 KB SRAM — sizing the firmware and data buffers The 160 KB SRAM is generous for this class — it can hold two full 800x600 pixel framebuffers at 16-bit color, or a large audio buffer for a voice-processing pipeline. If your application is data-logging-heavy or uses a GUI with a display, this SRAM headroom saves external memory and the associated BOM cost. ## Peripherals and connectivity — what is on the bus The STM32L462REY6TR includes a rich set of serial interfaces: CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, and USB. The QSPI interface is useful for attaching external Flash or PSRAM without tying up the main SPI bus. The 52 GPIOs in the 64-WLCSP package give enough pins for a moderate sensor array or a small keypad-plus-display interface. The internal oscillator means you can bring up a basic UART application with no external crystal, though for CAN or USB you will want a precision external clock. ## 64-WLCSP package — footprint and assembly considerations The 64-WLCSP (3.36 x 3.66 mm) is the smallest package option in the STM32L4 family. It saves board area but requires a controlled assembly process: the 0.4 mm ball pitch needs a good solder-paste stencil and a reflow profile tuned for the package. On-site field replacement is not practical — this is a pick-and-place part. If your production line is not set up for WLCSP, the STM32L462RET6 in a 64-LQFP is the same die in a more serviceable package. The base product number is STM32L462, so any PCN or EOL communication will reference that base.","metaTitle":"STM32L462REY6TR STM32L4 MCU, ARM Cortex-M4 80MHz","metaDescription":"STMicroelectronics STM32L462REY6TR 32-bit ARM Cortex-M4 MCU, 80MHz, 512KB Flash, 160KB SRAM, 1.71V-3.6V supply, -40°C to 85°C, 64-WLCSP.","metaKeywords":null},"attributes":{"series":"STM32L4","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"80MHz","Series":"STM32L4","Package":"Tape & Reel (TR) Cut Tape (CT)","RAM Size":"160K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"52","Core Processor":"ARM® Cortex®-M4","Package / Case":"64-UFBGA, WLCSP","Product Status":"Active","Data Converters":"A/D 16x12b; D/A 1x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L462","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"64-WLCSP (3.36x3.66)","Voltage - Supply (Vcc/Vdd)":"1.71V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.8800","priceTiers":[{"qty":1,"price":"$7.88000","currency":"USD"},{"qty":10,"price":"$7.11600","currency":"USD"},{"qty":25,"price":"$6.78480","currency":"USD"},{"qty":100,"price":"$5.89100","currency":"USD"},{"qty":250,"price":"$5.62628","currency":"USD"},{"qty":500,"price":"$5.12984","currency":"USD"},{"qty":1000,"price":"$4.46792","currency":"USD"},{"qty":5000,"price":"$4.13696","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/a102223952eb9e8586f8317d9ebee212.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L462REY6TR/alternatives.json"},"ai":{"faq":[{"question":"Is STM32L462REY6TR obsolete or end-of-life?","answer":"No — the lifecycle status is Active per STMicroelectronics. It is safe for new designs and production."},{"question":"What is the difference between STM32L462REY6TR and STM32L462RET6?","answer":"The difference is the package. The STM32L462REY6TR is in a 64-WLCSP (wafer-level chip-scale package, 3.36 x 3.66 mm), while the STM32L462RET6 is in a 64-LQFP (quad flat pack, 10 x 10 mm). The die and all functional specs (80 MHz Cortex-M4, 512 KB Flash, 160 KB SRAM, peripherals) are identical. Choose the WLCSP for smallest footprint; choose the LQFP for easier assembly and field rework."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L462REY6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L462REY6TR 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}}