The DS1501WSN from Maxim Integrated is a full-featured, Y2K-compliant real-time clock/calendar (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. This high-precision timekeeping device is designed to provide a long-term, accurate time base for a wide range of applications including network servers, telecommunications, data loggers, and other electronic equipment requiring accurate timekeeping.

Key Features

• Accuracy: The device maintains an accuracy of ±1 minute per month at room temperature, making it suitable for critical time-sensitive applications.
• Y2K Compliance: The DS1501WSN addresses the year 2000 compliance issue, ensuring that the date information is reliable and accurate well into the future.
• Power Management: It includes an automatic backup to a user-supplied battery, allowing the clock to continue running in the event of a power failure.
• Watchdog Timer: An integrated watchdog timer can be used to reset a connected microprocessor if it fails to stroke the timer within a preset time period, enhancing system reliability.
• Alarm Function: The device features a programmable alarm and interrupt function, enabling scheduled tasks or wake-up calls to a processor.
• Serial Interface: It uses a serial interface for communication, which minimizes pin count and simplifies PCB layout.

Applications

The DS1501WSN is ideal for a variety of applications where accurate timekeeping is paramount. It is commonly used in:

• Network hardware (servers, routers, switches)
• Telecommunication systems
• POS terminals
• Industrial systems
• Embedded systems
• Consumer electronics

Technical Specifications

Overall, the DS1501WSN from Maxim Integrated represents a robust and reliable solution for maintaining precise time in electronic systems, ensuring that your applications run smoothly and efficiently.