{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32H7B3IIT6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32H7B3IIT6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32H7B3IIT6","factsUrl":"https://icboms.com/api/mcp/products/STM32H7B3IIT6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32H7 series, ARM Cortex-M7 32-bit Single-Core MCU, 280MHz, 2MB Flash, 1.4M x 8 RAM, 176-LQFP, -40°C to 85°C.","salesMarkdown":"## Package and mounting The STM32H7B3IIT6: The 176-LQFP package provides 119 I/O and peripherals including dual CAN-FD, USB OTG, Ethernet, and a parallel camera interface, on a single supply rail from 1.62 V to 3.6 V. ## 1.4 MB RAM — staging area for display and data The 1.4 MB RAM can hold a full frame buffer for a 480x272 RGB display at 16-bit colour and still leave over a megabyte for application data and communication stacks. If you're building a panel controller or a medical peripheral with a five-year production run, this part fits without the supply chain headache of an NRND part. ## Pin-compatible family members — what to cross-shop The STM32H7B3IIT6 shares the 176-LQFP footprint with other STM32H7 devices. The H7B3 runs at 280 MHz with 2 MB Flash and 1.4 MB RAM.","metaTitle":"STM32H7B3IIT6 ARM Cortex-M7 MCU, 280 MHz, 2 MB Flash","metaDescription":"STMicroelectronics STM32H7B3IIT6 32-bit ARM Cortex-M7 MCU at 280 MHz with 2 MB Flash and 1.4 MB RAM. Active lifecycle, industrial temp range.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"280MHz","Series":"STM32H7","Package":"Tray","RAM Size":"1.4M x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT","Connectivity":"Camera, CANbus, EBI/EMI, HDMI-CEC, I²C, IrDA, LINbus, MDIO, MMC/SD/SDIO, PSSI, SAI, SPDIF, SPI, SWPMI, UART/USART, USB OTG","Mounting Type":"Surface Mount","Number of I/O":"119","Core Processor":"ARM® Cortex®-M7","Package / Case":"176-LQFP","Product Status":"Active","Data Converters":"A/D 20x16b; D/A 3x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32H7B3","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)":"1.62V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$14.7694","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/b207a7dacd68b1b60dc6ac6c691e8a7d.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the maximum clock speed of the STM32H7B3IIT6?","answer":"The core is rated at 280 MHz. That is the maximum clock for the ARM Cortex-M7 core on this device. The PLL can be configured from an external or internal oscillator; the Flash memory requires wait states above a certain frequency, so factor that into your clock tree setup."},{"question":"Is the STM32H7B3IIT6 compatible with the STM32H743?","answer":"Yes, they share the same 176-LQFP package and supply voltage range. The H743 runs at 400 MHz with 1 MB RAM; the H7B3 runs at 280 MHz with 1.4 MB RAM. A PCB laid out for one can take the other with a firmware change and a BOM line swap — no board respin needed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32H7B3IIT6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32H7B3IIT6 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T13:05:18.668Z","lastPublished":"2026-07-16T13:05:18.668Z","indexable":true}}