STMicroelectronics STM32L4S9AII6
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $17.96 | $17.96 |
| 15+ | $11.80 | $177.00 |
| 25+ | $11.55 | $288.75 |
| 50+ | $10.91 | $545.50 |
| 100+ | $9.62 | $962.00 |
| N+ | $1.92 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Tray | |
| 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, LCD, POR, PWM, WDT |
| Number of I/O | 131 |
| 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 14x12b; D/A 2x12b |
| Oscillator Type | Internal |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 169-UFBGA (7x7) |
| Package / Case | 169-UFBGA |
| ROHS |  |
The STM32L4S9AII6 is a high-performance ARM Cortex-M4 microcontroller from STMicroelectronics, operating at 120MHz with 2MB flash and 640KB SRAM. Its ultra-low-power design supports 1.71V to 3.6V supply, making it suitable for battery-operated and energy-harvesting applications. The 169-UFBGA package integrates rich peripherals including DMA, LCD controller, PWM, and multiple watchdog timers, all within an industrial temperature range.
- Ultra-low-power operation: 1.71V minimum supply reduces energy consumption in portable devices.
- Large memory footprint: 2MB flash + 640KB RAM supports complex applications without external memory.
- High-speed processing: 120MHz Cortex-M4 with DSP instructions accelerates signal processing tasks.
- Comprehensive safety: Brown-out reset and watchdog timers ensure reliable operation in harsh environments.
Industrial IoT Gateways
With 2MB flash and 640KB RAM, the STM32L4S9AII6 handles complex protocol stacks and edge analytics at 120MHz, enabling real-time data processing in smart factory environments.
Portable Medical Devices
The 1.71V low-voltage operation and DMA support allow power-efficient sensor fusion in battery-powered glucose monitors and pulse oximeters, extending device runtime.
Smart Meters
Integrated LCD controller and low-power modes make it ideal for utility meters requiring clear displays and long-term field reliability across -40°C to 85°C.
Advanced Motor Control
PWM timers and 120MHz Cortex-M4 core provide precise FOC control for robotics and drone actuators, with brown-out detection ensuring safe shutdown.
Wearable Displays
The 169-UFBGA package (small footprint) combined with LCD support enables compact smartwatch designs with rich UI and 640KB RAM for graphics buffering.
Automotive Body Electronics
Wide voltage tolerance and POR/WDT features support reliable operation in vehicle body control modules, handling CAN messaging and diagnostic routines.
- Q: What is the maximum operating frequency of the STM32L4S9AII6?
- A: The STM32L4S9AII6 operates at up to 120 MHz.
- Q: What is the supply voltage range?
- A: It supports 1.71V to 3.6V.
- Q: How much flash memory does it have?
- A: It has 2MB of flash memory.
- Q: What package is available?
- A: It comes in a 169-UFBGA package.
STM32L4S9AII6.pdf
- Q: What is the maximum operating frequency of the STM32L4S9AII6?
- A: The STM32L4S9AII6 operates at up to 120 MHz.
- Q: What is the supply voltage range?
- A: It supports 1.71V to 3.6V.
- Q: How much flash memory does it have?
- A: It has 2MB of flash memory.
- Q: What package is available?
- A: It comes in a 169-UFBGA package.
