{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F334K8T7","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F334K8T7","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F334K8T7","factsUrl":"https://icboms.com/api/mcp/products/STM32F334K8T7","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F3 series, STM32F334K8T7, ARM Cortex-M4, 32-Bit Single-Core, 72MHz, 64KB (64K x 8) FLASH, 12K x 8 RAM, 25 I/O, CANbus, I2C, SPI, UART/USART, A/D 9x12b; D/A 3x12b, -40°C ~ 105°C, 32-LQFP, Surface Mount.","salesMarkdown":"## 72 MHz Cortex-M4 with HRTIM — the digital-power workhorse It carries 64 KB of Flash and 12 KB of SRAM in a 32-LQFP package with 25 available I/O lines. 64 KB of program memory and 12 KB of SRAM place this part in the mid-density tier of the STM32F334 family. That is enough headroom for a sensorless FOC algorithm with a CAN stack and a few kilobytes of data buffers, but tight for a full GUI or over-the-air update staging area. The 12 KB RAM is organised as 12K x 8 bits — enough for two 200-point FFT arrays if you manage the heap carefully. The 105°C ceiling is the industrial-plus grade — one step above the standard 85°C, so you can skip active cooling in many convection-cooled designs. The base product number STM32F334 is a current-production line, so the BOM line can be committed without obsolescence risk for new designs. ## Peripherals: CAN, HRTIM, and 12-bit converters The 9-channel 12-bit ADC and 3-channel 12-bit DAC support simultaneous current and voltage sensing without external converters. The HRTIM (high-resolution timer) peripheral, though not listed in the summary, is a hallmark of the F334 family for generating complementary PWM with dead-time insertion.","metaTitle":"STM32F334K8T7 STM32F3 MCU, ARM Cortex-M4, 72 MHz","metaDescription":"STMicroelectronics STM32F334K8T7 32-bit MCU with ARM Cortex-M4 core at 72 MHz, 64 KB Flash, 12 KB RAM, 25 I/O, CANbus, -40°C to 105°C.","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":"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":"25","Core Processor":"ARM® Cortex®-M4","Package / Case":"32-LQFP","Product Status":"Active","Data Converters":"A/D 9x12b; 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 ~ 105°C (TA)","Supplier Device Package":"32-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.5100","priceTiers":[{"qty":1,"price":"$6.51000","currency":"USD"},{"qty":10,"price":"$5.87800","currency":"USD"},{"qty":25,"price":"$5.60480","currency":"USD"},{"qty":80,"price":"$4.86650","currency":"USD"},{"qty":250,"price":"$4.64776","currency":"USD"},{"qty":500,"price":"$4.23766","currency":"USD"},{"qty":1000,"price":"$3.69086","currency":"USD"},{"qty":2500,"price":"$3.55416","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/8a888bd6c4c82b6773e27135551f6f4a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F334K8T7/alternatives.json"},"ai":{"faq":[{"question":"What is the difference between STM32F334K8T7 and STM32F334K6T7?","answer":"The K8 variant carries 64 KB of Flash; the K6 variant carries 32 KB. Both share the same 32-LQFP package, 72 MHz Cortex-M4 core, and peripheral set — the only difference is the Flash density, which determines the firmware footprint ceiling."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F334K8T7","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F334K8T7 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}}