MCP79402-I/SN

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The MCP79402-I/SN is a real-time clock that has a wide range of applications in a variety of digital devices, such as controlling the timing of data-acquisition, critical and infrequent operations, or general time-keeping. The clock works in a regular 24-hour format and can be operated with an external power supply while providing accurate timekeeping.

Overview of MCP79402-I/SN Real Time Clock

The MCP79402-I/SN Real Time Clock is an integrated circuit that is used in a wide range of digital applications. It is designed to provide an accurate time reference for embedded applications such as data acquisition, timing circuit and certain operations that require precise time-keeping. This clock uses an external oscillator to generate a 24-hour time format with resolutions of up to 1-second. It can also be programmed to a frequency of 32,768 Hz or 128 kHz with various option settings. The MCP79402-I/SN also has a majority of features such as temperature sensor, alarm, dual-battery backup, power-fail detect, access protection and user-selectable frequency output.

Advantages of MCP79402-I/SN Real Time Clock

One of the main advantages of the MCP79402-I/SN real time clock is its immunity to power fluctuations. The dual-battery backup keeps the real time clock running during a power failure and still keeps accurate time. The power-fail detect feature ensures that the clock identifies when there is a power failure or surge in voltage, and automatically switches over to a battery supply. Additionally, this clock also features optional battery support depending on the application requirements. The integrated temperature sensor further ensures accuracy of the real time clock over a wide temperature range.

Working Principle of MCP79402-I/SN Real Time Clock

The MCP79402-I/SN supports a variety of access and changeability depending on how the user wants the clock to work. The built-in interface allows access to the real time clock registers, alarms and other data. The external crystal oscillator connected to the clock operates at a frequency of 32,768 Hz or 128 kHz depending on the system requirements. A programmable frequency output is built-in to the real time clock, allowing users to easily configure the output frequency to suit their application.

The MCP79402-I/SN also features a wide range of interrupt and programming options. For instance, it supports a variety of interrupts such as watch dog timer interrupt, power failure detect interrupt, alarm interrupt and others. Additionally, the real time clock can be programmed for use in military or commercial applications.

Conclusion

The MCP79402-I/SN Real Time Clock stands out from other clocks in the market due to its range of features and its accuracy. Its dual-battery backup, access protection and programmability make it ideal for a variety of digital applications. The temperature sensor and frequency output are also extra features that make this clock stand out. Its wide range of alarm and interrupt features make it an invaluable tool for critical and infrequent operations.

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