STM32L462CEU3 STMicroelectronics Integrated Circuit (Quad Flat No-Lead) In Stock
The STM32L462CEU3 is an ultra-low-power Arm Cortex-M4 microcontroller running at 80 MHz with 512 KB Flash, AES-256 encryption, USB Device, and DFSDM. Available from stock worldwide.
- Manufacturer
- STMicroelectronics
- Package
- Quad Flat No-Lead
- Pin Count
- 49
- Lifecycle
- ACTIVE
- Datasheet
- STM32L462CEU3 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Ultra-low-power Arm Cortex-M4 core at 80 MHz with FPU for efficient real-time processing
- AES-256 hardware encryption engine for secure IoT and embedded applications
- USB Device interface plus DFSDM for digital microphone and sensor connectivity
- 512 KB Flash and multiple low-power modes for battery-operated designs
Applications
The STM32L462CEU3 is well suited for IoT edge nodes, wearable health monitors, and secure sensor hubs requiring hardware cryptography. Its ultra-low-power modes and 80 MHz Cortex-M4 core make it ideal for energy-harvesting embedded systems. Industrial metering, smart home gateways, and USB-connected portable instruments also leverage its AES-256 and DFSDM peripherals.
Specifications
| YTEOL | 9 |
| Peak Reflow Temperature (Cel) | NOT SPECIFIED |
| Time@Peak Reflow Temperature-Max (s) | NOT SPECIFIED |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| HTS Code | 8542.31.00.30 |
| Country of Origin | Mainland China, Philippines, Taiwan |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for STM32L462CEU3:
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, QCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, PQCC48
RISC Microcontroller, 32-Bit, FLASH, CORTEX-M4 CPU, 80MHz, CMOS, QCC48
Frequently Asked Questions
What is the maximum CPU frequency and Flash size of the STM32L462CEU3?
The STM32L462CEU3 runs its Arm Cortex-M4 core at up to 80 MHz and integrates 512 KB of internal Flash memory, providing ample code storage for complex firmware in a QFN package.
Which security features does the STM32L462CEU3 offer for IoT designs?
It includes a hardware AES-256 encryption accelerator, a true random number generator (TRNG), and a memory protection unit (MPU), enabling robust security for IoT nodes operating at 1.71 V to 3.6 V supply.
How does the STM32L462CEU3 compare to the STM32L452CEU3 in terms of peripherals?
The STM32L462CEU3 adds a DFSDM interface for digital microphone inputs over the STM32L452, while both share the 80 MHz Cortex-M4, 512 KB Flash, USB Device, and AES-256 hardware accelerator.
What low-power modes are available on the STM32L462CEU3 for battery-operated devices?
The device supports multiple low-power modes including Stop 2 mode with current consumption down to approximately 2 µA, as well as Standby and Shutdown modes, enabling multi-year coin-cell battery life in 1.71 V to 3.6 V systems.
Related Guides
CL31A107MQHNNNE 1206 100 uF MLCC Selection Guide
How to choose CL31A107MQHNNNE and related 1206 MLCCs for low-voltage bulk capacitance and regulator stability.
Jul 2, 2026
CL05B103KB5NNNC 0402 10 nF X7R MLCC Selection Guide
How to choose CL05B103KB5NNNC and related 0402 MLCCs for bypassing, filtering, voltage derating, and sourcing.
Jul 2, 2026
ADAQ7768-1 Design Guide for Precision Vibration and Dynamic Signal Measurement
Design ADAQ7768-1 precision data acquisition channels for vibration and dynamic sensing with the right bandwidth, reference, clock, and layout choices.
Jun 30, 2026
AD5204BRZ10 Design Guide for SPI-Controlled Gain and Offset Calibration
Design AD5204BRZ10 digital potentiometer calibration loops with bounded trim span, safe wiper current, clean SPI routing, and reliable startup codes.
Jun 30, 2026
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.”