STM32L053R8T STMicroelectronics Integrated Circuit (Quad Flat Packages) In Stock
STM32L053R8T is an ultra-low-power 32-bit ARM Cortex-M0+ microcontroller with 64 KB Flash, USB, LCD driver, 12-bit ADC, and DAC in a 64-pin QFP package. Achieves 87 µA/MHz run current and 0.4 µA stop mode for energy-harvesting and battery-powered IoT nodes. Available from stock with worldwide shipping.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat Packages
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- STM32L053R8T Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of STM32L053R8T?
- ARM Cortex-M0+ core at up to 32 MHz consuming only 87 µA/MHz in Run mode — among the lowest in the 32-bit MCU class
- Integrated LCD driver for up to 8 x 40 or 4 x 44 segment displays enabling standalone e-meter and sensor-display products
- USB 2.0 Full-Speed (12 Mbps) crystal-less operation using internal 48 MHz RC oscillator for USB CDC and HID applications
- 12-bit ADC with 16 channels and on-chip DAC for mixed-signal sensor front-ends without external converter chips
- 0.4 µA stop mode with RTC and 640 byte RAM retention supporting years of coin-cell operation in wireless sensor nodes
What is STM32L053R8T used for?
STM32L053R8T is optimized for energy-harvesting IoT sensors, wireless environmental monitors, and smart metering nodes where sub-1 µA standby current is mandatory for multi-year coin-cell battery life. Its integrated LCD controller directly drives segment displays in portable medical devices, utility meters, and wearable fitness trackers without a separate display driver IC. The crystal-less USB Full-Speed interface further simplifies BOM for USB-connected data loggers and configuration dongles running from a 3.3 V or 5 V USB bus.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the STM32L053R8T datasheet?
STM32L053R8T Datasheet DownloadOfficial datasheet from STMicroelectronics
What are equivalent replacements for STM32L053R8T?
Compatible alternatives and drop-in replacements for STM32L053R8T:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 32MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 32MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M0 CPU, 32MHz, CMOS, PQFP64
RISC Microcontroller, 32-Bit, FLASH, Cortex-M0+ CPU, 32MHz, CMOS, PQFP64
Frequently Asked Questions
Which designs are a good fit for STM32L053R8T with 64 KB?
STM32L053R8T fits embedded control, sensor, and low-power connected products when the design needs 64 KB and 64 pins. It is a practical choice when the BOM also matches the 64-pin QFP footprint.
How should engineers check package compatibility for STM32L053R8T?
Compare the PCB land pattern, height allowance, and assembly process against the 64-pin QFP style. The 64 pins detail is the first check before approving a replacement.
What matters when sourcing STM32L053R8T as a replacement?
Confirm the same 64 KB, 64 pins, manufacturer traceability, and lifecycle status before substituting it. Buyers should also verify stock for the exact 64-pin QFP configuration.
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Why Buy from FindMyChip
About STMicroelectronics
STMicroelectronics is a global semiconductor leader serving customers across the spectrum of electronics applications. ST's products are found in a wide range of applications including automotive, industrial, personal electronics, and communications.
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”
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