{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F446ZEJ7TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F446ZEJ7TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F446ZEJ7TR","factsUrl":"https://icboms.com/api/mcp/products/STM32F446ZEJ7TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F4 series, 32-bit ARM Cortex-M4 single-core at 180MHz, 512KB Flash, 128KB RAM, 24x12b A/D and 2x12b D/A converters, USB OTG and CANbus, 114 I/O, -40°C to 105°C operating temperature, 144-UFBGA surface-mount package on tape-and-reel.","salesMarkdown":null,"metaTitle":"STM32F446ZEJ7TR — STM32F4 ARM Cortex-M4 MCU, 180MHz, 512KB Flash, 114 I/O, 144-U","metaDescription":"STMicroelectronics STM32F446ZEJ7TR: 32-bit ARM Cortex-M4 single-core at 180MHz, 512KB Flash, 128KB RAM, 24x12b ADC, 2x12b DAC, USB OTG, CAN, 114 I/O, -40 to 105°C, 144-UFBGA tape-a","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Speed":"180MHz","title":"STM32F446ZEJ7TR","Series":"STM32F4","Package":"Tape & Reel (TR)","RAM Size":"128K x 8","Core Size":"32-Bit Single-Core","Peripherals":"Brown-out Detect/Reset, DMA, I²S, LVD, POR, PWM, WDT","Connectivity":"CANbus, EBI/EMI, I²C, IrDA, LINbus, SAI, SD, SPDIF-Rx, SPI, UART/USART, USB, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"114","Core Processor":"ARM® Cortex®-M4","Package / Case":"144-UFBGA","Data Converters":"A/D 24x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F446","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"144-UFBGA (10x10)","Voltage - Supply (Vcc/Vdd)":"1.7V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.6548","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/cd1250ee9b471f9370d29b0641a72b62.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F446ZEJ7TR/alternatives.json"},"ai":{"faq":[{"question":"Does the 105°C ambient rating handle a control cabinet running at 85°C?","answer":"The spec rates -40°C to 105°C TA. Operating at 85°C leaves 20°C margin to the upper limit — well within the safe operating range. No derating is required on the 128KB RAM or the 24-channel ADC at that ambient. Thermal characterization of the actual PCB and package is always the correct step for any production qualification, but the datasheet limit is not a derating trigger at 85°C."},{"question":"Can I drop this into an existing LQFP-144 footprint?","answer":"No. The STM32F446ZEJ7TR uses the 144-UFBGA package — ball-grid, not leaded. It is not footprint-compatible with any LQFP-144 variant of the same die. A board designed for LQFP-144 requires a re-layout to accept this part. The 114 I/O count is available but routed through BGA fan-out that changes signal routing significantly compared to the leaded package."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F446ZEJ7TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F446ZEJ7TR when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-11T18:29:56.413Z","lastPublished":"2026-07-11T18:29:56.413Z","indexable":true}}