STMicroelectronics STM32L451CCU3TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $13.35 | $13.35 |
| 15+ | $3.07 | $46.05 |
| 25+ | $3.01 | $75.25 |
| 50+ | $2.84 | $142.00 |
| 100+ | $2.51 | $251.00 |
| N+ | $0.50 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tape & Reel (TR) | NULL |
| Core Processor | ARM® Cortex®-M4 |
| Core Size | 32-Bit Single-Core |
| Speed | 80MHz |
| Connectivity | CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Number of I/O | 38 |
| Program Memory Size | 256KB (256K x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 160K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 10x12b; D/A 1x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 48-UFQFPN (7x7) |
| Package / Case | 48-UFQFN Exposed Pad |
| ROHS |
The STM32L451CCU3TR from STMicroelectronics is a high-performance, ultra-low-power MCU built on the ARM Cortex-M4 core. It delivers 80MHz processing with 256KB flash and 160KB SRAM, ideal for complex embedded applications. Its 1.71V to 3.6V supply range and extensive low-power modes make it perfect for battery-operated devices. The 48-UFQFN package saves board space while providing robust thermal performance.
- Ultra-low power consumption: Optimized for battery life with multiple low-power modes, extending device runtime.
- High memory capacity: 256KB flash and 160KB RAM support complex firmware and data buffering.
- Wide temperature range: -40°C to 125°C ensures reliability in extreme industrial environments.
- Rich peripheral set: DMA, PWM, and WDT reduce CPU load and enhance system stability.
Battery-Powered IoT Sensors
The 1.71V minimum supply and 80MHz Cortex-M4 enable ultra-low-power sensor nodes that run for years on coin cells while processing data locally.
Industrial Control Systems
With PWM, DMA, and WDT, this MCU handles real-time motor control and process automation in harsh environments up to 125°C.
Portable Medical Devices
The 160KB RAM supports complex signal processing for wearable monitors, while the small UFQFN package fits compact PCB designs.
Smart Home Hubs
Multiple communication protocols and brown-out detection ensure reliable operation for home automation controllers.
Data Logging Equipment
Large flash memory and low-power modes make it ideal for long-term data acquisition in remote locations.
Automotive Aftermarket
The wide temperature range and robust reset circuitry suit engine bay sensors and telematics units.
- Q: What is the operating voltage range of the STM32L451CCU3TR?
- A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
- Q: What is the maximum core speed?
- A: The ARM Cortex-M4 core runs at up to 80 MHz.
- Q: How much flash and RAM does it have?
- A: It features 256 KB flash and 160 KB RAM.
- Q: What package is available?
- A: It comes in a 48-UFQFN exposed pad package.
- Q: What is the temperature range?
- A: It operates from -40°C to 125°C.
- Q: What is the operating voltage range of the STM32L451CCU3TR?
- A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
- Q: What is the maximum core speed?
- A: The ARM Cortex-M4 core runs at up to 80 MHz.
- Q: How much flash and RAM does it have?
- A: It features 256 KB flash and 160 KB RAM.
- Q: What package is available?
- A: It comes in a 48-UFQFN exposed pad package.
- Q: What is the temperature range?
- A: It operates from -40°C to 125°C.

STM32L451CCU3TR.pdf