{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F446ZEH6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F446ZEH6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F446ZEH6","factsUrl":"https://icboms.com/api/mcp/products/STM32F446ZEH6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F4 series STM32F446ZEH6, 32-Bit Single-Core ARM Cortex-M4, 180MHz, 512KB Flash, 128K x 8 RAM, 144-UFBGA, -40°C ~ 85°C.","salesMarkdown":"The STM32F446ZEH6: The 114 I/O lines and connectivity set — CAN, USB OTG, SDIO, SPDIF-Rx, SAI, multiple SPI/I²C/UART — let it serve as a central controller in industrial drives, motor-control boards, or audio-effect pedals without external PHYs or bridges. ## Memory headroom and analog channel count The 128 KB SRAM supports double-buffered DMA transfers and a moderate RTOS heap. If your application streams audio or runs a TCP/IP stack, budget the heap against the 128 KB ceiling.","metaTitle":"STM32F446ZEH6 STM32F4 MCU 32-Bit ARM Cortex-M4 180MHz 512KB","metaDescription":"STM32F446ZEH6 32-bit ARM Cortex-M4 MCU, 180MHz core, 512KB Flash, 128KB RAM, 114 I/O, 144-UFBGA. Active lifecycle.","metaKeywords":null},"attributes":{"series":"STM32F4","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"180MHz","Series":"STM32F4","Package":"Tray","RAM Size":"128K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","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","Product Status":"Active","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 ~ 85°C (TA)","Supplier Device Package":"144-UFBGA (7x7)","Voltage - Supply (Vcc/Vdd)":"1.7V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$11.2600","priceTiers":[{"qty":1,"price":"$11.26000","currency":"USD"},{"qty":10,"price":"$10.16900","currency":"USD"},{"qty":25,"price":"$9.69560","currency":"USD"},{"qty":80,"price":"$8.41875","currency":"USD"},{"qty":416,"price":"$8.04036","currency":"USD"},{"qty":832,"price":"$7.33093","currency":"USD"},{"qty":1248,"price":"$6.38500","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/cd1250ee9b471f9370d29b0641a72b62.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F446ZEH6/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between STM32F446ZEH6 and STM32F446ZET6?","answer":"The STM32F446ZEH6 comes in a 144-UFBGA package (7x7 mm), while the STM32F446ZET6 uses an LQFP144. The BGA variant saves board area but requires different soldering and inspection processes. All other core specs — 180 MHz Cortex-M4, 512 KB Flash, 128 KB RAM — are identical."},{"question":"What are the alternatives to STM32F446ZEH6?","answer":"A lower-power alternative within ST's portfolio is the STM32L151CBU6A, a Cortex-M3 running at 32 MHz with 37 I/O and a 1.8 V supply. It trades the 180 MHz DSP performance and rich connectivity of the STM32F446ZEH6 for ultra-low-power operation in battery-powered designs."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F446ZEH6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F446ZEH6 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}}