{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F334C8Y6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F334C8Y6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F334C8Y6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32F334C8Y6TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F3 series, ARM® Cortex®-M4 32-Bit MCU, 72MHz, 64KB Flash, 12K x 8 RAM, 49-UFBGA/WLCSP, 37 I/O, CAN/I²C/SPI/UART, -40°C~85°C.","salesMarkdown":"## 72 MHz Cortex-M4 with HRTIM — what it does in a control loop The STM32F334C8Y6TR: 64 KB of Flash and 12 KB of SRAM. 15-channel 12-bit ADC and three 12-bit DACs. 49-WLCSP (2.89 x 3.74 mm). ## Memory and peripheral headroom for a BOM decision 64 KB of Flash and 12 KB of SRAM place this MCU in the value tier of the STM32F334 family. If your firmware needs a bootloader plus a moderate control loop, it fits. If you are adding OTA update staging or a full TCP/IP stack, the 64 KB Flash fills quickly — you will be looking at the 128 KB or 256 KB Flash siblings in the same package. The 37 I/O lines, CAN 2.0B, two SPI, two I²C, and five UART/USART interfaces cover most industrial sensor and actuator buses. ## WLCSP package — layout and assembly reality The 49-WLCSP (2.89 x 3.74 mm) is the smallest package option for the STM32F334C8. The 0.5 mm ball pitch and 0.3 mm ball diameter mean the PCB needs a fine-line capability — 0.1 mm trace/space minimum, microvia-friendly design. The exposed die backside is not a thermal pad; heat dissipation is through the solder balls and the board copper.","metaTitle":"STM32F334C8Y6TR STM32F3 ARM Cortex-M4 MCU, 72 MHz","metaDescription":"STMicroelectronics STM32F334C8Y6TR 32-bit ARM Cortex-M4 MCU, 72 MHz, 64 KB Flash, 12 KB SRAM, 15x12b ADC, 3x12b DAC, 49-WLCSP, -40 to 85°C. Active lifecycle.","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":"Tape & Reel (TR)","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":"37","Core Processor":"ARM® Cortex®-M4","Package / Case":"49-UFBGA, WLCSP","Product Status":"Active","Data Converters":"A/D 15x12b; 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":"49-WLCSP (2.89x3.74)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.3598","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/8a888bd6c4c82b6773e27135551f6f4a.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F334C8Y6TR/alternatives.json"},"ai":{"faq":[{"question":"Is STM32F334C8Y6TR pin-compatible with STM32F334C8T6?","answer":"No. The Y6 suffix denotes the 49-WLCSP package, while the T6 suffix is the LQFP-48 package. The pin mapping and footprint are different; they are not drop-in compatible. A board designed for one package cannot accept the other without a layout change."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F334C8Y6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F334C8Y6TR 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}}