DS1673S-5

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The DS1673S-5 is a real-time clock for various applications that require accurate timekeeping. It is a highly integrated device that combines a robust power management subsystem, a high resolution oscillator, and a low-power, low-noise timekeeping system. The DS1673S-5 is intended for use in many applications, including server and workstation performance monitoring, as well as time and data logging. It combines a real-time clock with advanced design features such as programmable power-on times, sleep and wake-up modes, and a temperature alarm to manage important timing tasks.

The DS1673S-5 provides a number of programmable functions and options, including an adjustable clock input frequency and an open drain, or pullup, data input pin. The clock input frequency can be set to 1 Hz, 1.024 kHz, or 32.768 kHz. This allows the device to be used in applications where the system clock input is derived from an outside source, such as GPS timing systems or radio broadcasts. The open drain data input pin can be used to input digital data to the circuit.

The timekeeping system of the DS1673S-5 is based on an oscillator that is constructed from a temperature-compensated crystal oscillator (TCXO), a mineral-filled quartz crystal, and an advanced temperature compensation circuit. The TCXO is used to generate a very accurate and stable 10 kHz crystal frequency, which is then divided down to a 1 Hz rate. This ensures that the DS1673S-5 has very low timekeeping error and a very low clock drift rate.

The power management capabilities of the DS1673S-5 are also highly advanced. It integrates two programmable timers into a single chip, allowing it to precisely control power management operations. These timers are used to regulate the timing of the POR (power on reset) signal, the sleep and wake-up cycles, and the power-up and power-down timing. With the timers, the device can be programmed to perform different power management tasks such as automatically turning a device off after a certain period of time or initiating a power down after a predetermined temperature is reached.

The DS1673S-5 also includes a temperature alarm which can be used to alert the user to any abnormal temperature levels. This alarm can be set to a user-defined threshold, so that the device can alert the user if the temperature exceeds a certain value. This can help protect devices from overheating and other thermal concerns.

The DS1673S-5 is an advanced real-time clock that offers a high degree of accuracy and reliability. It is suitable for applications such as data logging, server and workstation performance monitoring, and other time-sensitive tasks, including temperature monitoring and alarm activation. Its programmable features make it an ideal choice for a wide variety of timekeeping applications.

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