{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F334R8T6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F334R8T6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F334R8T6","factsUrl":"https://icboms.com/api/mcp/products/STM32F334R8T6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F334 series, STM32F334R8T6, 32-Bit Single-Core ARM Cortex-M4, 72 MHz, 64KB Flash, 12K x 8 RAM, DMA/POR/PWM/WDT, CANbus/I²C/IrDA/LINbus/SPI/UART/USART, 51 I/O, 2V~3.6V, -40°C~85°C, Surface Mount 64-LQFP.","salesMarkdown":"## 72 MHz Cortex-M4 with FPU — what it means for a control loop That FPU is the key differentiator versus the Cortex-M3 siblings in the STM32F3 family: it handles a 32-bit float multiply-accumulate in a single cycle, so sensor fusion or PID loops with fractional coefficients run without a software emulation penalty. The 64 KB of Flash and 12 KB of SRAM are sized for a single control algorithm plus a modest communications stack — think a field-oriented motor drive, a digital power supply loop, or an industrial I/O node that needs CANopen or Modbus on the side. ## Analog integration: 21 ADC channels and 3 DACs The part packs 21 analog-to-digital converter channels (12-bit resolution) and three 12-bit digital-to-analog converters. For a motor-control design that samples three phase currents plus a DC-link voltage and a temperature sensor, the ADC channel count means you can keep the signal chain single-chip without an external mux. The three DACs can generate reference voltages, offset trim, or analog setpoints — useful for setting comparator thresholds or driving an analog isolator front-end. For dual-sourcing or a pin-compatible alternative within the same STM32F334 value line, the STM32F334C8T6 shares the same core, memory, and peripheral set but in a 48-pin LQFP package — the 64-pin R8T6 variant offers 51 I/O versus the 48-pin part's reduced pin count, so a board designed for the 64-LQFP footprint cannot drop in the 48-pin package without a layout change.","metaTitle":"STM32F334R8T6 ARM Cortex-M4 MCU, 72 MHz, 64 KB Flash","metaDescription":"STMicroelectronics STM32F334R8T6 32-bit MCU with ARM Cortex-M4 FPU core at 72 MHz. 64 KB Flash, 12 KB SRAM, 21x12b ADC, 3x12b DAC. Industrial temp -40°C to","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"72MHz","Series":"STM32F3","Package":"Tray","RAM Size":"12K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"DMA, POR, PWM, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"51","Core Processor":"ARM® Cortex®-M4","Package / Case":"64-LQFP","Product Status":"Active","Data Converters":"A/D 21x12b; D/A 3x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F334","Program Memory Size":"64KB (64K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C~85°C(TA)","Supplier Device Package":"64-LQFP (10x10)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$7.5400","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8a888bd6c4c82b6773e27135551f6f4a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F334R8T6/alternatives.json"},"ai":{"faq":[{"question":"Can STM32F334R8T6 replace STM32F334C8T6?","answer":"The STM32F334C8T6 is the same die in a 48-pin LQFP package with fewer I/O. The STM32F334R8T6 in 64-LQFP offers 51 I/O versus the 48-pin variant's lower count, so a board laid out for the 64-pin footprint cannot accept the 48-pin part without a PCB redesign. For a new design, the 64-pin version gives more headroom for sensor inputs and control signals."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F334R8T6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F334R8T6 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}}