The STWD100YNWWY3F is a highly reliable watchdog timer integrated circuit manufactured by STMicroelectronics, designed to supervise microcontroller activity and system functionality. This compact and efficient component is essential for systems that require a high level of operational safety and helps to prevent system failures by resetting the microcontroller in the event of a malfunction or if the program runs astray.

Key Features

• Watchdog Timer: The device features a programmable watchdog timer that can be set with a precision external capacitor, providing flexibility and adaptability for various application requirements.
• Low Power Consumption: With an operating voltage range of 2.5V to 5.5V, the STWD100YNWWY3F is designed for energy-efficient operation, making it suitable for battery-powered and low-power applications.
• Temperature Range: The device is operational over an industrial temperature range of -40°C to +125°C, ensuring reliable performance under extreme conditions.
• Small Package: The STWD100YNWWY3F is available in a tiny SOT23-5 package, which is ideal for space-constrained applications.
• Open Drain Output: The watchdog timer provides an active low, open drain, reset output (WDO) which ensures compatibility with a wide range of microcontrollers and digital systems.
• Push-Pull Reset: The device also offers a push-pull reset output option for direct interfacing with reset circuits without the need for external components.

Applications

The STWD100YNWWY3F watchdog timer is versatile and can be used in a variety of applications, including:

• Automotive systems
• Industrial controls
• Embedded systems
• Consumer electronics
• Computer systems
• Communication devices

Quality and Reliability

STMicroelectronics is committed to delivering high-quality and reliable components. The STWD100YNWWY3F is designed and manufactured with the highest standards, ensuring that it meets the rigorous demands of the electronics industry. Its robust design ensures that it provides a reliable watchdog function to enhance the safety and reliability of your electronic systems.