STMicroelectronics STM32L4S9ZIY6TR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $23.87 | $23.87 |
| 15+ | $15.69 | $235.35 |
| 25+ | $15.35 | $383.75 |
| 50+ | $14.49 | $724.50 |
| 100+ | $12.79 | $1,279.00 |
| N+ | $2.56 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | STMicroelectronics |
| Product Series | STM32L4 |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 | 112 |
| 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 ~ 85°C (TA) |
| Grade | - |
| Qualification AEC | - |
| Mounting Type | Surface Mount |
| Supplier Device Package | 144-WLCSP (5.24x5.24) |
| Package / Case | 144-UFBGA, WLCSP |
| ROHS |
The STM32L4S9ZIY6TR from STMicroelectronics is a high-performance ARM Cortex-M4 microcontroller operating at 120MHz. It offers 2MB of flash memory and 640K x 8 RAM, with a supply voltage range of 1.71V to 3.6V. Packaged in a 144-UFBGA or WLCSP, it includes advanced peripherals like DMA, LCD controller, PWM, and WDT, making it ideal for complex embedded applications.
- Ultra-low power: 1.71V-3.6V operation extends battery life in portable devices.
- High memory capacity: 2MB flash and 640KB RAM support large application code and data buffers.
- Advanced peripherals: DMA, LCD, and PWM enable rich user interfaces and precise control.
- ARM Cortex-M4 core: Provides DSP instructions for efficient signal processing.
High-End Wearables
The 120MHz Cortex-M4 with 2MB flash enables complex health monitoring algorithms while the low voltage range (1.71V-3.6V) supports battery operation.
Smart Home Hubs
With DMA and LCD support, it can drive graphical interfaces and manage multiple communication protocols simultaneously.
Industrial IoT Gateways
Its large RAM (640KB) and PWM capabilities allow for real-time data processing and motor control in edge devices.
Medical Diagnostic Equipment
The integrated Brown-out Detect/Reset and wide temperature range ensure reliable operation in portable diagnostic tools.
Audio Processing Units
The Cortex-M4's DSP instructions and 120MHz speed enable real-time audio filtering and effects.
- Q: What is the core processor of the STM32L4S9ZIY6TR?
- A: It uses an ARM Cortex-M4 core running at 120MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, supporting low-power applications.
- Q: How much flash and RAM does it have?
- A: It features 2MB of flash and 640K x 8 RAM.
- Q: What package is this available in?
- A: It comes in a 144-UFBGA or WLCSP package.
- Q: What is the core processor of the STM32L4S9ZIY6TR?
- A: It uses an ARM Cortex-M4 core running at 120MHz.
- Q: What is the supply voltage range?
- A: It operates from 1.71V to 3.6V, supporting low-power applications.
- Q: How much flash and RAM does it have?
- A: It features 2MB of flash and 640K x 8 RAM.
- Q: What package is this available in?
- A: It comes in a 144-UFBGA or WLCSP package.

STM32L4S9ZIY6TR.pdf