{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STM32L073CZT6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STM32L073CZT6","canonicalUrl":"https://icboms.com/stmicroelectronics/STM32L073CZT6","factsUrl":"https://icboms.com/api/mcp/products/STM32L073CZT6","rawCanonicalId":null},"summary":{"shortDescription":"ST STM32L0 series, STM32L073CZT6, ARM Cortex-M0+ 32-Bit Single-Core MCU, 32MHz, 192KB Flash, 20K x 8 RAM, 6K x 8 EEPROM, 48-LQFP, -40°C to 85°C, 1.8V to 3.6V supply.","salesMarkdown":"## 32 MHz Cortex-M0+ with 192 KB Flash — the low-power workhorse It packs 192 KB of Flash program memory, 20 KB of SRAM, and a separate 6 KB EEPROM block — enough to run a sensor hub or a small display controller without external storage. It is built for battery-powered and energy-harvesting gear: think gas/water meters, medical patches, building automation sensors, and portable instruments where every microamp counts. ## 192 KB Flash + 6 KB EEPROM — what the memory split means for your firmware The 192 KB Flash is sized for moderate application code — a FreeRTOS kernel, a USB stack, and a sensor fusion library fit without squeezing. The separate 6 KB EEPROM is the standout: you can store calibration constants, serial numbers, or configuration parameters directly, with no external I²C EEPROM chip and no wear-leveling worry. The 20 KB SRAM is tight for large data buffers; if your application streams audio or holds a full frame buffer, budget for external RAM or a larger member of the STM32L0 family. ## Analog converters on-chip — 10 ADC channels and 2 DAC outputs The 10-channel 12-bit ADC handles multi-sensor inputs (temperature, pressure, battery voltage) without an external mux. The 2-channel 12-bit DAC can generate analog setpoints or drive a speaker directly.","metaTitle":"STM32L073CZT6 STM32L0 ARM Cortex-M0+ MCU, 32MHz, 192KB Flash","metaDescription":"STM32L073CZT6 32-bit MCU with 32MHz ARM Cortex-M0+, 192KB Flash, 20KB RAM, 6KB EEPROM, 10x12b ADC, 2x12b DAC, 48-LQFP, -40°C to 85°C.","metaKeywords":null},"attributes":{"series":"STM32L0","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Microcontrollers & Processors (MCU / MPU / DSP)"],"specifications":{"Mfr":"STMicroelectronics","Speed":"32MHz","Series":"STM32L0","Package":"Tray","RAM Size":"20K x 8","Core Size":"32-Bit Single-Core","EEPROM Size":"6K x 8","Peripherals":"Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT","Connectivity":"I²C, IrDA, LINbus, SPI, UART/USART, USB","Mounting Type":"Surface Mount","Number of I/O":"37","Core Processor":"ARM® Cortex®-M0+","Package / Case":"48-LQFP","Product Status":"Active","Data Converters":"A/D 10x12b; D/A 2x12b","Oscillator Type":"Internal","lifecycle_stage":"eol_hot","Base Product Number":"STM32L073","Program Memory Size":"192KB (192K x 8)","Program Memory Type":"FLASH","Operating Temperature":"-40°C ~ 85°C (TA)","Supplier Device Package":"48-LQFP (7x7)","Voltage - Supply (Vcc/Vdd)":"1.8V ~ 3.6V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.1700","priceTiers":[{"qty":1,"price":"$6.17000","currency":"USD"},{"qty":10,"price":"$5.54300","currency":"USD"},{"qty":25,"price":"$5.24000","currency":"USD"},{"qty":80,"price":"$4.54125","currency":"USD"},{"qty":230,"price":"$4.30839","currency":"USD"},{"qty":440,"price":"$3.86591","currency":"USD"},{"qty":1500,"price":"$3.26040","currency":"USD"},{"qty":3000,"price":"$3.09738","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/106d684d3945a6b1be3c8ecd66f3e28c.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STM32L073CZT6/alternatives.json"},"ai":{"faq":[{"question":"How does the STM32L073CZT6 compare with the STM32L151CBU6A?","answer":"The STM32L151CBU6A runs a Cortex-M3 core at the same 32 MHz clock speed and offers a 16-channel 12-bit ADC (versus 10 channels on the L073), plus capacitive sensing peripherals. Both operate from 1.8 V and come in a 48-pin package. The L151's M3 core delivers higher DMIPS/MHz for compute-heavy tasks, while the L073's EEPROM and lower active current suit ultra-low-power sensor endpoints."},{"question":"Is the STM32L073CZT6 a good choice for low-power applications?","answer":"The on-chip EEPROM and ADC eliminate external components that would otherwise consume board power. For battery-powered designs that wake briefly to take a sensor reading and log data, this part is a natural fit."},{"question":"Can the STM32L073CZT6 be used with an external crystal oscillator?","answer":"Yes — although the oscillator type is listed as internal, the STM32L0 series supports external crystal oscillators for the HSE (high-speed) and LSE (low-speed 32.768 kHz RTC) clock sources. An external crystal improves clock accuracy for USB or timekeeping applications. The internal oscillator is sufficient for general-purpose operation."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STM32L073CZT6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STM32L073CZT6 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}}