{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F100VBT7B","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F100VBT7B","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F100VBT7B","factsUrl":"https://icboms.com/api/mcp/products/STM32F100VBT7B","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F1 series STM32F100VBT7B, ARM Cortex-M3 32-bit MCU, 24 MHz, 128 KB Flash, 8 KB RAM, 80 I/O, 100-LQFP, -40°C to 105°C, 2 V to 3.6 V supply.","salesMarkdown":"## What the 24 MHz core and 128 KB Flash mean for a control-oriented BOM It is built for cost-sensitive control applications where the processing load is deterministic — sensor polling, PWM generation, UART/I²C/SPI communication, and basic PID loops. The 24 MHz ceiling is deliberate: it keeps the flash-wait-state penalty at zero for most instruction fetches, so interrupt latency stays predictable without a cache. The 8 KB RAM is tight; a lightweight scheduler or bare-metal state machine fits, but a full FreeRTOS heap with multiple large buffers will push the limit. ## Industrial temperature coverage and supply flexibility The wide supply also simplifies brownout management — the internal POR and PVD blocks can trigger a clean reset or an early-warning interrupt before the rail collapses. ## Analog integration: 16-channel ADC and dual DAC The ADC samples at rates adequate for low-speed feedback loops — think motor-current monitoring at a few kHz or temperature readout every millisecond. The dual DAC is useful for generating complementary control voltages or driving an external analog indicator. ## 80 I/O in a hand-solderable 100-LQFP The 100-LQFP (14x14 mm) package exposes 80 general-purpose I/O pins, enough to interface with a parallel LCD, a keypad matrix, multiple SPI/I²C peripherals, and a bank of optocouplers or relays. The QFP footprint is rework-friendly — no BGA, no hidden solder joints — which matters for prototyping, rework labs, and low-volume production where a hot-air station is the primary tool.","metaTitle":"STM32F100VBT7B STM32F1 MCU, ARM Cortex-M3, 24 MHz","metaDescription":"STMicroelectronics STM32F100VBT7B 32-bit ARM Cortex-M3 MCU, 24 MHz, 128 KB Flash, 8 KB RAM, 80 I/O, -40°C to 105°C, 100-LQFP. Active lifecycle.","metaKeywords":null},"attributes":{"series":"STM32F1","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"24MHz","Series":"STM32F1","Package":"Tray","RAM Size":"8K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"-","Peripherals":"DMA, PDR, POR, PVD, PWM, Temp Sensor, WDT","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART","Mounting Type":"Surface Mount","Number of I/O":"80","Core Processor":"ARM® Cortex®-M3","Package / Case":"100-LQFP","Product Status":"Active","Data Converters":"A/D 16x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F100","Program Memory Size":"128KB (128K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"100-LQFP (14x14)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.8900","priceTiers":[{"qty":1,"price":"$6.89000","currency":"USD"},{"qty":10,"price":"$6.22100","currency":"USD"},{"qty":25,"price":"$5.93120","currency":"USD"},{"qty":90,"price":"$5.15011","currency":"USD"},{"qty":270,"price":"$4.91870","currency":"USD"},{"qty":450,"price":"$4.48469","currency":"USD"},{"qty":990,"price":"$3.90602","currency":"USD"},{"qty":2430,"price":"$3.76135","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/bce8111c76ae6a908001d11363aee0ec.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F100VBT7B/alternatives.json"},"ai":{"faq":[{"question":"Is STM32F100VBT7B compatible with STM32F103C8?","answer":"Both are STM32F1-series ARM Cortex-M3 MCUs, but the STM32F103C8 runs at 72 MHz with up to 64 KB Flash in a 48-pin LQFP, while this part runs at 24 MHz with 128 KB Flash in a 100-pin LQFP. The pinouts and peripheral maps differ; they are not drop-in replacements. Check the STM32F1 reference manual for migration guidance."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F100VBT7B","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F100VBT7B 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}}