STWD100NYWY3F Watchdog Timer IC by STMicroelectronics

The STWD100NYWY3F is a compact, low-power watchdog timer integrated circuit (IC) designed and manufactured by STMicroelectronics. This IC is specifically engineered to supervise microcontroller activity, ensuring that systems operate reliably and are protected from software failures. The device is particularly suitable for high-reliability systems and can be used in a variety of applications, including automotive, industrial control systems, and computer systems.

Key Features

• Programmable Watchdog Timer: The STWD100NYWY3F comes with a programmable timer that allows users to set the watchdog timeout from 3.4 ms to 33.6 seconds, providing flexibility for different system requirements.
• Low Power Consumption: With an operating voltage range of 2.5V to 5.5V, the device is optimized for low-power operations, making it ideal for battery-powered applications.
• Operating Temperature Range: The device is designed to function in a wide temperature range from -40°C to +125°C, ensuring reliable performance in extreme conditions.
• Chip Enable Input: The inclusion of a chip enable (CHI_EN) input allows the watchdog timer to be enabled or disabled as needed, providing additional control over the monitoring function.
• Reset Output: The STWD100NYWY3F features an open-drain reset output, which provides a reset signal to the host microcontroller in case of a timeout event.

Applications

The versatility of the STWD100NYWY3F makes it suitable for a wide range of applications. It is commonly used in:

• Automotive systems
• Industrial control systems
• Computer systems
• Embedded devices
• Consumer electronics

Quality and Reliability

STMicroelectronics is known for its commitment to quality and reliability, and the STWD100NYWY3F is no exception. The device is manufactured to meet high standards, ensuring that it delivers consistent and dependable performance for critical system monitoring tasks.