{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F103VBI6TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F103VBI6TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F103VBI6TR","factsUrl":"https://icboms.com/api/mcp/products/STM32F103VBI6TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F103VBI6TR, STM32F1 series, 32-bit ARM Cortex-M3 MCU, 72 MHz, 128 KB Flash, 20 KB SRAM, 80 I/O, CAN/USB/SPI/I²C, -40°C to 85°C, 100-UFBGA (7x7), Tape & Reel.","salesMarkdown":"The STM32F103VBI6TR: The 72 MHz ARM Cortex-M3 core is the throughput ceiling for this MCU. At this speed, the part can handle a real-time control loop with a few hundred microseconds of headroom, run a lightweight protocol stack (CANopen, Modbus, USB device), and still leave MIPS for background tasks. The 128 KB Flash and 20 KB SRAM are sized for mid-range firmware — a motor-control algorithm with field-oriented control, a sensor hub aggregating SPI and I²C data, or a simple HMI with a small frame buffer. If the application needs more than 20 KB of RAM for data logging or a larger protocol buffer, this part will run out of headroom; that is the first fit check for the BOM line. ## 100-UFBGA (7x7) — compact footprint, different rework rules The 100-UFBGA (7x7) package is the key differentiator from the more common LQFP variants. It saves board area — the 7x7 mm body is smaller than a 100-pin LQFP — but it is a BGA, so the PCB needs a via-in-pad or microvia stackup, and rework requires a hot-air station with a BGA nozzle and a preheat plate. ## Peripheral set — CAN, USB, SPI, I²C, UART The connectivity block includes CANbus, USB, SPI, I²C, UART/USART, IrDA, and LINbus — enough to talk to most industrial sensors, motor drives, and human-machine interfaces without an external bridge chip.","metaTitle":"STM32F103VBI6TR ARM Cortex-M3 MCU, 72 MHz, 128 KB Flash","metaDescription":"STMicroelectronics STM32F103VBI6TR 32-bit ARM Cortex-M3 MCU, 72 MHz core, 128 KB Flash, 20 KB SRAM, 80 I/O, CAN/USB/SPI/I²C, -40°C to 85°C, 100-UFBGA.","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":"STM32F1","Package":"Tape & Reel (TR)","RAM Size":"20K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"DMA, Motor Control PWM, PDR, POR, PVD, PWM, Temp Sensor, WDT","Connectivity":"CANbus, I²C, IrDA, LINbus, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"80","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-UFBGA","Product Status":"Active","Data Converters":"A/D 16x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F103","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"100-UFBGA (7x7)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$4.8423","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/0375af21676877522a09722f9bd68b61.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F103VBI6TR/alternatives.json"},"ai":{"faq":[{"question":"What is the closest pin-compatible alternative to STM32F103VBI6TR in the STM32F1 family?","answer":"The STM32F103VBT6 is a common pin-compatible alternative in the same STM32F1 series. It shares the same 100-pin LQFP footprint (not the UFBGA of this part), the same 128 KB Flash and 20 KB SRAM, and the same 72 MHz core. The VBI6TR uses a 100-UFBGA (7x7) package, while the VBT6 uses a 100-LQFP — the die is the same, so the electrical and firmware behavior is identical, but the PCB footprint and rework process differ. If your board is laid out for a 100-LQFP, the VBT6 is the drop-in; if you need the smaller BGA footprint, stick with the VBI6TR."},{"question":"Which distributors stock STM32F103VBI6TR in tape and reel?","answer":"This part ships in Tape & Reel (TR) format, which is the standard for automated assembly. Availability through independent distribution is confirmed at quote time — submit an RFQ to check current stock and lead time for reel quantities."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F103VBI6TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F103VBI6TR 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}}