DS12CR887-5+

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Real Time Clocks (RTCs) are devices which are used to measure elapsed time and maintain the time and date when power is removed. The DS12CR887-5+ is a cost-effective part that offers great flexibility and accuracy with its base real-time clock. It has an extremely low power consumption, making it ideal for mobile applications.

The DS12CR887-5+ provides a ±3ppm accuracy in timekeeping during crystal fail detect (CFD) mode, or ±4ppm accuracy in self-oscillating mode. It also supports a wide temperature range of -40 to +125°C, making it suitable for use in extreme environments. Its low power consumption of 2.5 µW makes it a very attractive part for low-power applications and extended battery life.

In addition to the specifications mentioned above, there are also features such as a register-selectable date format (DD/MM/YY or MM/DD/YY) and daylight saving time (DST) which can be set independently. The device also supports multiple alarms and is available in a wide variety of packages.

The DS12CR887-5+ is ideal for applications such as PCs, automotive, security, HVAC and industrial control systems. It also can be useful in embedded systems that require real-time clock functions, such as digital wristwatches and PDAs. In addition, it can be used in networking applications such as routers and switches.

The DS12CR887-5+ is based on a crystal oscillator and an embedded temperature compensation circuit to provide its high level of accuracy. The crystal oscillator generates a stable frequency, which is used to control the internal clock in the device. This clock can be used to accurately measure elapsed time, or to maintain the time and date when power is removed. The temperature compensation circuit is used to make adjustments in the oscillator frequency so that accuracy is maintained across various temperatures.

In addition to its accuracy and low power consumption, the DS12CR887-5+ offers plenty of flexibility. It supports multiple alarms, has a register-selectable date format and daylight saving time, and is available in a wide variety of packages. This makes it a great choice for a cost-effective and reliable RTC solution.

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