{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32G031G8U6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32G031G8U6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32G031G8U6","factsUrl":"https://icboms.com/api/mcp/products/STM32G031G8U6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32G0 series, STM32G031G8U6, 32-bit ARM Cortex-M0+ MCU, 64 MHz, 64 KB Flash, 8K x 8 RAM, 1.7 V to 3.6 V, 26 I/O, 28-UFQFPN (4x4 mm), -40 to 85 °C.","salesMarkdown":"The STM32G031G8U6: The mistake this part avoids: grabbing a bigger Cortex-M4 or M3 part with more flash than the firmware needs, burning board area and BOM cost. For a sensor node, a motor controller, or a simple HMI, this is the right tier. At 64 MHz the Cortex-M0+ core can handle real-time control loops, UART polling at 115200 baud without a FIFO overflow, and basic DSP math for filtering. The 8 KB of RAM (8K x 8) is tight — budget about 4 KB for the stack and heap, leaving 4 KB for data buffers. The 1.7 V minimum lets this MCU run directly from a single alkaline or Li-ion cell down to near-empty. The 3.6 V maximum covers the 3.3 V rail with headroom. No external LDO needed for most battery-powered designs, which saves a component and a decoupling cap. ## 26 I/O in a 4x4 mm QFN — layout reality The 28-UFQFPN package (4x4 mm) puts 26 general-purpose I/O on a very small footprint. That is dense routing — expect to use micro-vias or at least 0.2 mm trace/space on a two-layer board. ## Active lifecycle — no LTB worry ROHS3 compliant.","metaTitle":"STM32G031G8U6 STM32G0 MCU, 64 MHz, 64 KB Flash, 28-UFQFPN","metaDescription":"STMicroelectronics STM32G031G8U6 32-bit ARM Cortex-M0+ MCU, 64 MHz, 64 KB Flash, 8 KB RAM, 1.7-3.6 V, 26 I/O, 28-UFQFPN. Active, ROHS3.","metaKeywords":null},"attributes":{"series":"STM32G0","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"64MHz","Series":"STM32G0","Package":"Tray","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT","Connectivity":"I2C, IrDA, LINbus, SPI, SmartCard, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"26","Core Processor":"ARM® Cortex®-M0+","Package / Case":"28-UFQFN","Product Status":"Active","Data Converters":"A/D 17x12b SAR","Oscillator Type":"External, Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32G031","Program Memory Size":"64KB (64K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"28-UFQFPN (4x4)","Voltage - Supply (Vcc/Vdd)":"1.7V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.8200","priceTiers":[{"qty":1,"price":"$2.82000","currency":"USD"},{"qty":10,"price":"$2.53200","currency":"USD"},{"qty":25,"price":"$2.38840","currency":"USD"},{"qty":80,"price":"$2.03488","currency":"USD"},{"qty":230,"price":"$1.91074","currency":"USD"},{"qty":490,"price":"$1.67188","currency":"USD"},{"qty":980,"price":"$1.38528","currency":"USD"},{"qty":2450,"price":"$1.28973","currency":"USD"},{"qty":4900,"price":"$1.24197","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/8450e95e2a0cc61f9ebc6d39a13e7004.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32G031G8U6/alternatives.json"},"ai":{"faq":[{"question":"What is the maximum operating frequency of STM32G031G8U6?","answer":"64 MHz. That is the core clock from the internal or external oscillator."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32G031G8U6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32G031G8U6 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}}