DS12885T+

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DS12885T+ is one of the most popular devices in the clock/timing industry, and is considered to be a Real Time Clock (RTC). The device can be used to provide reliable timing and date information to many industries, such as computer systems, automotive systems, industrial systems, and internet-of-things (IoT) applications.

The DS12885T+ integrates a real-time clock/calendar, a 14-bit programmable divider, a power fail detect circuit and a temperature sensor, all in one chip. This saves space in applications, as well as saving power, as the integrated components combine to provide greater functionality and accuracy. The device is also equipped with integrated status flags and reset outputs, which can be used to further improve reliability, accuracy and system efficiency.

The working principle of the device is based on a 32 kHz clock, a time base input for time correction, and a crystal oscillator. The 32 kHz clock oscillates at 32.768 kHz, and this is used to generate the time base for the Real Time Clock. The time base input is used to provide periodic time corrections, if any are needed. The crystal oscillator works in tandem with the 32 kHz oscillator, to provide greater accuracy in the time-keeping functions of the device.

The DS12885T+ is able to provide time and date information with a high accuracy, thanks to its integrated components. The device also has an adjustable voltage detect circuit with two programmable trip points, which can take action when an external voltage varies outside the predetermined range. This feature can provide reliable protection against power failure.

The DS12885T+ also includes a temperature sensor, which allows the device to provide temperature readings in Celsius or Fahrenheit format. It is also possible to program the temperature limits, and to have the device take action if the temperature reaches beyond the predetermined range. This is a feature that can be used for reliability and accuracy purposes.

Overall, the DS12885T+ is an excellent choice for many clock/timing applications, such as computer systems, automotive systems, internet-of-things (IoT) applications and industrial systems. It is an inexpensive device, with powerful features and integrated components that can save power, space, and money while providing reliable timing information. With its adjustable voltage detection and programmable temperature limits, it can also provide the necessary protection against power failure. The DS12885T+ is the ideal choice for an RTC device.

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