STMicroelectronics STM32L4S5AII3TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $39.38 | $39.38 |
| 15+ | $9.06 | $135.90 |
| 25+ | $8.87 | $221.75 |
| 50+ | $8.37 | $418.50 |
| 100+ | $7.39 | $739.00 |
| N+ | $1.48 | 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 | 120MHz |
| Connectivity | CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG |
| Peripherals | Brown-out Detect/Reset, DMA, POR, PWM, WDT |
| Number of I/O | 140 |
| Program Memory Size | 2MB (2M x 8) |
| Program Memory Type | FLASH |
| EEPROM Size | - |
| RAM Size | 640K x 8 |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| Data Converters | A/D 16x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 169-UFBGA (7x7) |
| Package / Case | 169-UFBGA |
| ROHS |
The STM32L4S5AII3TR is a high-performance, ultra-low-power microcontroller from STMicroelectronics. It is built around an ARM Cortex-M4 core running at 120 MHz, offering a balance of processing power and energy efficiency. With 2MB of flash memory and 640KB of SRAM, it provides ample space for complex applications. The device operates from 1.71V to 3.6V and is available in a compact 169-UFBGA package, suitable for space-constrained designs.
- Ultra-low power consumption: ST's advanced process technology and multiple low-power modes extend battery life in portable devices.
- High memory capacity: 2MB flash and 640KB RAM support complex firmware and data buffering without external memory.
- High-speed processing: The 120MHz Cortex-M4 with FPU accelerates math-intensive tasks and DSP algorithms.
- Wide temperature range: Rated for -40°C to 125°C, it is suitable for harsh industrial environments.
Industrial IoT Gateways
With 2MB flash and 640KB RAM, the STM32L4S5AII3TR can handle complex protocol stacks and edge computing tasks while maintaining low power consumption.
Smart Meters
The 120MHz Cortex-M4 with DSP instructions enables precise, real-time power calculation and communication in smart grid applications.
Portable Medical Devices
Its 1.71V minimum supply voltage and low-power modes extend battery life in wearable health monitors.
Advanced Motor Control
On-chip PWM timers and DMA support smooth, efficient control of brushless DC motors in robotics and automation.
High-End Audio Processing
The Cortex-M4 FPU and large RAM buffer allow real-time audio effects and high-fidelity signal processing.
Secure Access Systems
Rich peripheral set and fast wake-up times make it ideal for biometric locks and access control panels.
- Q: What is the maximum operating frequency of the STM32L4S5AII3TR?
- A: The ARM Cortex-M4 core runs at up to 120 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: How much flash memory does it have?
- A: It features 2MB of program flash memory.
- Q: What package is available?
- A: It comes in a 169-UFBGA package.
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 125°C.
- Q: What is the maximum operating frequency of the STM32L4S5AII3TR?
- A: The ARM Cortex-M4 core runs at up to 120 MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V.
- Q: How much flash memory does it have?
- A: It features 2MB of program flash memory.
- Q: What package is available?
- A: It comes in a 169-UFBGA package.
- Q: What is the operating temperature range?
- A: It is rated for -40°C to 125°C.

STM32L4S5AII3TR.pdf