STMicroelectronics STM32L4S series, STM32L4S9ZIT6, ARM Cortex-M4, 32-Bit Single-Core, 120MHz, 2MB (2M x 8) FLASH, 640K x 8 RAM, 112 I/O, CANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG, A/D 16x12b; D/A 2x12b, -40°C~85°C (TA), 144-LQFP (20x20), Surface Mount, Active.
| Parameter | Value |
|---|---|
| Series | STM32L4S |
| Mounting | Surface Mount |
| Oscillator type | Internal |
| Program memory type | FLASH |
| Voltage - supply (Vcc (Vdd)) | 1.71V ~ 3.6V |
| Operating temperature | -40°C~85°C(TA) |
| Speed | 120MHz |
| Package | Tray |
| RAM size | 640K x 8 |
| Core size | 32-Bit Single-Core |
| Peripherals | Brown-out Detect/Reset, DMA, LCD, POR, PWM, WDT |
| Connectivity | CANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD, SAI, SPI, UART/USART, USB OTG |
| Number of i (O) | 112 |
| Core processor | ARM® Cortex®-M4 |
| Case | 144-LQFP |
| Data converters | A/D 16x12b; D/A 2x12b |
| Program memory size | 2MB (2M x 8) |
It targets applications that need both compute throughput and large on-chip memory — think graphics-capable HMI panels, multi-protocol IoT gateways, or sensor fusion nodes running floating-point algorithms.
The 144-LQFP package with a 20x20 mm body is a standard QFP — every pin is visible and probeable.
Listed as Active in the product status.
Stock levels change daily. The part is available to order; submit an RFQ for current availability and lead time from our distribution network.