{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F103ZEH7","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F103ZEH7","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F103ZEH7","factsUrl":"https://icboms.com/api/mcp/products/STM32F103ZEH7","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F103ZEH7, STM32F1 series, 32-bit ARM Cortex-M3 MCU, 72 MHz, 512 KB Flash, 64 KB SRAM, 144-LFBGA (10x10), -40°C to 105°C, 2V to 3.6V supply, 112 I/O.","salesMarkdown":"## 72 MHz Cortex-M3 with 512 KB Flash — the high-density tier It is the high-density variant in the F103 line, designed for applications that need the full 512 KB code space and the 112 I/O count that the 144-ball BGA package enables. The core is a single Cortex-M3 with a 3-stage pipeline and hardware multiply/divide, clocked from an internal oscillator or an external crystal. For a BOM that needs the 144-ball BGA footprint and the 512 KB / 64 KB memory split, this is the production-grade MCU to specify. On-chip peripherals include DMA, motor-control PWM, PDR (power-down reset), POR (power-on reset), PVD (programmable voltage detector), a temperature sensor, and a watchdog timer. The data converters give you 21 analog inputs at 12-bit resolution and two 12-bit DAC outputs. ## 144-LFBGA (10x10) — what the package means for the board The 144-LFBGA package measures 10x10 mm with a 0.8 mm ball pitch. That is a fine-pitch BGA — the board needs a solder mask defined pad, a via-in-pad or microvia strategy for the inner rows, and X-ray inspection after reflow. The supplier device package code is 144-LFBGA (10x10). Surface-mount only, no through-hole equivalent. For rework, a hot-air station with a BGA nozzle and a preheater is mandatory — do not attempt with a soldering iron. The 112 I/O count means roughly 28 unused balls in a typical design, which can be left floating or tied to ground per ST's recommendation. No lead-time or stock figures are held on this page; the quote will reflect real-time supply.","metaTitle":"STM32F103ZEH7 STM32F1 ARM Cortex-M3 MCU, 72 MHz","metaDescription":"STM32F103ZEH7 is a 32-bit ARM Cortex-M3 MCU from the STM32F1 series, rated at 72 MHz with 512 KB Flash and 64 KB SRAM.","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":"Tray","RAM Size":"64K 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":"112","Core Processor":"ARM® Cortex®-M3","Package / Case":"144-LFBGA","Product Status":"Active","Data Converters":"A/D 21x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32F103","Program Memory Size":"512KB (512K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 105°C (TA)","Supplier Device Package":"144-LFBGA (10x10)","Voltage - Supply (Vcc/Vdd)":"2V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$12.9800","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/72e2217711e2aa33719949448f146656.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F103ZEH7/alternatives.json"},"ai":{"faq":[{"question":"Can the STM32F103ZEH7 work with a 5V supply?","answer":"The MCU cannot be powered from a 5 V rail. However, many I/O pins are 5 V tolerant — consult the STM32F103 reference manual for the specific pin mapping of 5 V tolerance."},{"question":"Is there a direct replacement or equivalent for the STM32F103ZEH7?","answer":"Within the STM32F103 family, pin-compatible alternatives exist across the density and package options — for example, the STM32F103VET6 (100-pin LQFP) is a different footprint. For a true 144-BGA replacement with the same memory and peripheral set, the STM32F103ZEH7 is the correct order code. No direct second-source from another manufacturer is listed in this evidence."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F103ZEH7","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F103ZEH7 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}}