Category reference photo. Confirm the exact package and electrical specifications in the manufacturer resource.
STM32L021G4U6
Ultra-low-power ARM Cortex-M0+ MCU with 16-Kbytes Flash, 32 MHz CPU, AES
The STMicroelectronics Ultra-low-power ARM Cortex-M0+ MCU is a highly efficient microcontroller designed for applications requiring minimal power consumption without compromising performance. With a 32 MHz CPU and 16 Kbytes of Flash memory, this MCU is ideal for battery-operated devices and IoT applications. Its robust design supports a wide operating temperature range from -40°C to 85°C, making it suitable for various environmental conditions. The compact UFQFN package with 28 pins ensures easy
Full Specifications
About This Product
The STMicroelectronics Ultra-low-power ARM Cortex-M0+ MCU is a highly efficient microcontroller designed for applications requiring minimal power consumption without compromising performance. With a 32 MHz CPU and 16 Kbytes of Flash memory, this MCU is ideal for battery-operated devices and IoT applications. Its robust design supports a wide operating temperature range from -40°C to 85°C, making it suitable for various environmental conditions. The compact UFQFN package with 28 pins ensures easy integration into your projects, while its advanced security features, including AES encryption, provide enhanced data protection.
What is this product used for?
Suitable for design, repair, and production programs using Microcontrollers devices.
Key Features
- Case/Package: UFQFN
- Number of Pins: 28
- Lifecycle Status: Production
- Number of I/Os: 24
- Min Supply Voltage: 1.65V
- Max Supply Voltage: 3.6V
Typical Use Cases
Sourcing Support for This MPN
Contact JaronSemi to confirm package, date code, and traceability requirements.
- MPN and package verification against your BOM or approved vendor list
- Approved-alternate and cross-reference review when the requested line is constrained
- Availability, lifecycle, and supply-risk discussion for procurement planning
- Packing, label, date-code, and requested document coordination
RFQ Checklist
Continue browsing the catalog












STM32L021G4U6
STMicroelectronics
The STMicroelectronics Ultra-low-power ARM Cortex-M0+ MCU is a highly efficient microcontroller designed for applications requiring minimal power consumption without compromising performance. With a 32 MHz CPU and 16 Kbytes of Flash memory, this MCU is ideal for battery-operated devices and IoT applications. Its robust design supports a wide operating temperature range from -40°C to 85°C, making it suitable for various environmental conditions. The compact UFQFN package with 28 pins ensures easy
- Competitive pricing from verified sources
- Sample to production quantities
- Response within 24 business hours