{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F303ZET7","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F303ZET7","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F303ZET7","factsUrl":"https://icboms.com/api/mcp/products/STM32F303ZET7","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F3 series, STM32F303ZET7, ARM Cortex-M4, 32-Bit Single-Core, 72MHz, 512KB Flash, 80K x 8 SRAM, 115 I/O, 2V~3.6V, -40°C~105°C, 144-LQFP.","salesMarkdown":"The 144-LQFP package gives access to 115 I/O lines, enough for multiple encoder interfaces, parallel display buses, or a bank of PWM outputs. The Cortex-M4 core with single-precision FPU is the key differentiator versus the Cortex-M3 used in the STM32L1 series. At 72 MHz, a 32-bit floating-point multiply-accumulate completes in one cycle, not a software-emulated sequence. For a field-oriented motor control loop running at 16 kHz, that saves several microseconds per iteration — headroom you can spend on higher PWM resolution or additional sensor filtering. The 512 KB Flash is organised as 512 K x 8, with the usual STM32F3 sector layout for wear-leveled firmware updates. The 80K x 8 SRAM (80 KB) supports moderate-sized data buffers, TCP/IP stacks, or double-buffered ADC results without external memory. The base product number is STM32F303, so pin-compatible density variants (e.g., 256 KB Flash, 48 KB SRAM) share the same 144-LQFP footprint if a cost-reduced or higher-memory spin is needed later. ## Package and supply rails for the board layout The 144-LQFP package (20 x 20 mm body, 0.5 mm pitch) is a common footprint for mid-density MCUs.","metaTitle":"STM32F303ZET7 STM32F3 ARM Cortex-M4 MCU, 72 MHz","metaDescription":"STM32F303ZET7 32-bit MCU with ARM Cortex-M4 FPU, 72 MHz, 512 KB Flash, 80K x 8 SRAM, 115 I/O, -40 to 105°C. Active lifecycle.","metaKeywords":null},"attributes":{"series":"STM32F3","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"72MHz","Series":"STM32F3","Package":"Tray","RAM Size":"80K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"DMA, I²S, POR, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"115","Core Processor":"ARM® Cortex®-M4","Package / Case":"144-LQFP","Product Status":"Active","Data Converters":"A/D 40x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F303","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~105°C(TA)","Supplier Device Package":"144-LQFP (20x20)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$14.4700","priceTiers":[{"qty":1,"price":"$14.47000","currency":"USD"},{"qty":10,"price":"$13.29400","currency":"USD"},{"qty":25,"price":"$12.74320","currency":"USD"},{"qty":80,"price":"$11.22775","currency":"USD"},{"qty":360,"price":"$10.67672","currency":"USD"},{"qty":720,"price":"$9.98789","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/c1aa05dbd335dffd091de829325705a6.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F303ZET7/alternatives.json"},"ai":{"faq":[{"question":"Does the STM32F303ZET7 have a built-in FPU?","answer":"Yes, the ARM Cortex-M4 core includes a single-precision floating-point unit (FPU) that executes multiply-accumulate and divide in hardware. This is a key advantage over Cortex-M3-based MCUs like the STM32L151CBU6A, which lacks an FPU."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F303ZET7","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F303ZET7 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}}