STMicroelectronics STM32L4S9ZIY6TR

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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 RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

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.
Base Product Number : STM32L4S9ZIY6
120MHz 144-UFBGA 2MB flash 32-bit MCU ARM Cortex-M4 DMA LCD low-power PWM WDT
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.