{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32F103ZEH7TR","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32F103ZEH7TR","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32F103ZEH7TR","factsUrl":"https://icboms.com/api/mcp/products/STM32F103ZEH7TR","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics STM32F1 series, ARM Cortex-M3 32-bit MCU, 72 MHz, 512 KB Flash, 64K x 8 SRAM, 112 I/O, 21x12b ADC, 2x12b DAC, CAN/I²C/SPI/USART/USB, 144-LFBGA, -40 to 105 °C.","salesMarkdown":"## 112 I/O and BGA routing considerations The STM32F103ZEH7TR: With 112 I/O lines brought out to a 144-ball LFBGA, this MCU demands a multilayer PCB with via-in-pad or microvia capability for fanout. The 10x10 mm BGA pitch is fine enough that a two-layer board is impractical for most designs — plan for at least four layers. The supply range of 2.0 to 3.6 V on Vdd covers both 3.3 V and 2.5 V rails, but the I/O are not 5 V tolerant unless explicitly stated. The base product number STM32F103 is a long-running STM32F1 series line with broad distribution support, so supply continuity is stable through franchised and independent channels. For dual-sourcing resilience, the STM32F103 family includes multiple density and package options that are pin-compatible across the 144-ball BGA footprint, though the exact Flash and RAM sizes vary.","metaTitle":"STM32F103ZEH7TR ARM Cortex-M3 MCU, 72 MHz, 512 KB Flash","metaDescription":"STMicroelectronics STM32F103ZEH7TR 32-bit ARM Cortex-M3 MCU at 72 MHz with 512 KB Flash and 64K x 8 SRAM. Industrial temp range, 112 I/O, 21x12b ADC.","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":"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":"$8.6281","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/72e2217711e2aa33719949448f146656.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32F103ZEH7TR/alternatives.json"},"ai":{"faq":[{"question":"Can STM32F103ZEH7TR be programmed with ST-Link?","answer":"Yes, the STM32F103ZEH7TR uses the standard ARM SWD (Serial Wire Debug) interface supported by ST-Link programmers. The SWD pins are available on the 144-ball BGA package, and the MCU boots from internal Flash with BOOT0 strapped low. Ensure the debug interface is connected to the SWDIO and SWCLK pins with proper pull-up/pull-down resistors per the STM32F1 reference manual."},{"question":"What is the closest pin-compatible alternative to STM32F103ZEH7TR?","answer":"Within the STM32F103 series, the 144-ball BGA footprint is shared across density variants such as the STM32F103ZET6 (512 KB Flash, 64 KB SRAM, -40 to 85 °C) and the STM32F103ZGT6 (1 MB Flash, 96 KB SRAM). The key difference is the temperature grade: the H7 suffix on this part extends the operating range to 105 °C, while the T6 suffix stops at 85 °C. Verify the exact Flash and RAM requirements before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32F103ZEH7TR","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32F103ZEH7TR 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}}