The DS1682 is a Real Time Clock (RTC) with an integrated crystal and battery manufactured by Dallas Semiconductor (now Maxim Integrated). These devices are designed to accurately track time and date, and maintain this information even when main power is lost, thanks to the integrated battery.

Applications

• Data Loggers: Used to provide accurate time stamps for recorded data in data logging applications.
• Industrial Control Systems: Employed to schedule events and maintain system time in industrial automation systems.
• Point of Sale (POS) Systems: Integrated into POS systems to track transaction times and maintain audit trails.
• Embedded Systems: Utilized in various embedded applications requiring accurate and reliable timekeeping.

Features

• Real Time Clock (RTC): Accurately tracks time in seconds, minutes, hours, day, date, month, and year.
• Integrated Crystal: Contains an integrated crystal oscillator for precise timekeeping.
• Integrated Battery: Includes a built-in lithium battery to maintain timekeeping during power outages.
• Low Power Consumption: Designed for low power operation to maximize battery life.

Benefits

• Accurate Timekeeping: Provides accurate and reliable timekeeping for critical applications.
• Autonomous Operation: Operates autonomously, maintaining time even when main power is unavailable.
• Simplified System Design: Integrates the RTC, crystal, and battery into a single component, simplifying system design.
• Extended Battery Life: Low power consumption extends the life of the integrated lithium battery.

Additional Details

The DS1682 typically communicates via a serial interface. Consult the device's datasheet for specific details regarding communication protocols, timekeeping accuracy, battery life, and voltage requirements. Since the DS1682 is an older component, sourcing it might require contacting distributors specializing in obsolete or hard-to-find components. Consider replacing the DS1682 with a modern RTC from Maxim Integrated or another manufacturer. Ensure the replacement offers comparable timekeeping accuracy, features, and battery life and is compatible with the existing system interface.