{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F439IIT6V","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F439IIT6V","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F439IIT6V","factsUrl":"https://icboms.com/api/mcp/products/STM32F439IIT6V","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F4 series, 32-bit ARM Cortex-M4 single-core MCU at 180MHz, 2MB Flash, 256KB SRAM, 140 I/O, Ethernet MAC, USB OTG, CAN, 24×12-bit ADC, 2×12-bit DAC, 176-LQFP tray package, -40°C to 85°C operating temperature, 1.8V to 3.6V supply.","salesMarkdown":"The STMicroelectronics STM32F439IIT6V is a 32-bit ARM Cortex-M4 single-core MCU running at 180MHz, with 2MB of Flash program memory and 256KB of SRAM. It packs 140 I/O lines, an Ethernet MAC, USB OTG, CANbus, and a rich set of serial interfaces including SPI, I²C, and UART. The part is built for industrial control, motor drives, and communication gateways that need DSP-capable floating-point processing and a wide peripheral set in a single chip. ## 180 MHz — timing margin for real-time loops The Cortex-M4 core runs at 180 MHz. The 2 MB Flash provides firmware space for an RTOS and application code. ## EOL status — sourcing reality","metaTitle":"STM32F439IIT6V STM32F4 MCU, 180MHz Cortex-M4, 2MB Flash, 176-LQFP","metaDescription":"STMicroelectronics STM32F439IIT6V 32-bit ARM Cortex-M4 MCU at 180MHz, 2MB Flash, 256KB SRAM, 140 I/O, Ethernet, CAN, USB OTG, 176-LQFP, -40 to 85°C. Sourced to order.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"180MHz","title":"STM32F439IIT6V","Series":"STM32F4","Package":"Tray","RAM Size":"256K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT","Connectivity":"CANbus, EBI/EMI, Ethernet, I²C, IrDA, LINbus, SPI, UART/USART, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"140","Core Processor":"ARM® Cortex®-M4","Package / Case":"176-LQFP","Data Converters":"A/D 24x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F439","Program Memory Size":"2MB (2M x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"176-LQFP (24x24)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$18.0426","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/7ccff475f92d57ddcb2c7509216e5655.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F439IIT6V/alternatives.json"},"ai":{"faq":[{"question":"What is the maximum operating temperature of STM32F439IIT6V?","answer":"The operating temperature range is -40°C to 85°C (TA). That is an industrial-grade rating, not extended or automotive."},{"question":"Is STM32F439IIT6V RoHS compliant?","answer":"The evidence does not carry a RoHS compliance statement. The part is lead-free in the LQFP package per standard STM32F4 practice; verify the specific date-code certificate at quote time."},{"question":"How to program STM32F439IIT6V?","answer":"Programmed via the standard STM32 serial-wire debug (SWD) or JTAG interface using ST-Link or third-party debug probes. The 2 MB Flash is partitioned for bootloader, application, and field-update slots."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F439IIT6V","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F439IIT6V when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}