DS12887+

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The DS12887+ is a real time clock that provides time, date and century information, as well as a 56-byte memory location for storing time-critical information in applications that require such information to be tracked in real-time. It offers a number of features, such as daylight saving time modification and leap-year adjustments. It’s ideal for applications in PC systems and networking, data acquisition and tracking, industrial automation and control, embedded systems, and more.

The DS12887+ is based on the DS1287, with added features for higher reliability, including two layers of power protection, a reliable quartz crystal oscillator, and an improved battery backup system. The device uses a 32.768 KHz quartz crystal on an industry-standard PC board to ensure precise timekeeping in all applications.

The DS12887+ has two main functional components – an oscillator, and a time-of-day register. The oscillator works by reflecting a radio pulse off a crystal oscillator which will then produce a precise frequency. This frequency is then used to count seconds, minutes, hours and days, as well as days until the end of the month, below a user set threshold. The time of day register stores this information. The entire system is designed to be as reliable and precise as possible.

The DS12887+ also features an adjustable daylight saving time function which automatically adjusts to compensate for the time change. It also features a built-in leap-year logic which calculates leap-year adjustments and automatically adjusts for leap seconds. The device also has two layers of power protection – a primary voltage regulator which is used to regulate power from the PC board and from the primary power source, and a secondary voltage regulator which helps to maintain precise operation in weak-signal conditions.

The DS12887+ is also highly energy efficient, consuming a maximum of 5mA of current when no power is drawn from the battery backup system. Additionally, the device supports a number of peripheral functions, including address decoding and chip select, power-down detection, and Brown-out detection. This helps to simplify the design and integration of the device into any application.

The DS12887+ is ideal for a host of applications, including time and date tracking in PC systems, networking, and data acquisition, real-time tracking in industrial automation and control and embedded systems, and more. It’s an affordable and reliable solution to ensuring maximum precision and accuracy in these applications.

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