DS1315S-5

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Real time clocks (RTCs) are devices designed to keep track of time even when electrical power to the device has gone down or has been disconnected. The DS1315S-5 is a type of RTC that is well-suited for military and industrial applications due to its superior accuracy and shock resistance.

The main components of the DS1315S-5 are an ATmega328P microprocessor, a MSF 2MHz temperature-controlled crystal oscillator, low-voltage circuitry, a battery holder, external capacitors, and accelerometer.

The ATmega328P microprocessor is the primary component of the DS1315S-5. It is responsible for the underlying real-time clock functionality, and can be programmed to control the device’s timing, event notification, and other features. It is also responsible for input/output operations.

The MSF 2MHz temperature-controlled crystal oscillator is responsible for ensuring proper timekeeping. It operates in temperature range between -40°C to +85°C, meaning that regardless of the environment the clock operates in, it will still keep accurate time.

The low-voltage circuitry is responsible for powering the clock when mains power is absent. The low-voltage detectors turn on or off the power to the circuitry as needed. The battery holder holds a lithium battery which provides backup power in case of an extended power outage. The external capacitors are used to filter out power transients and noise to ensure the clock’s accuracy is maintained.

The accelerometer plays an important role in shock resistance. It can detect sudden acceleration and inform the circuitry to go into a “sleep” state, thus protecting the system in cases of shock and vibration. This feature ensures the clock’s accuracy is not affected by shock, making it ideal for harsh environments.

The DS1315S-5 is well-suited for applications such as time and attendance tracking, access control, naval vessels and submarines, and other military and industrial applications. Its superior accuracy and shock resistance make it the ideal choice for any application that requires accuracy and reliability.

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