DS1746P-70

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Real Time Clocks: DS1746P-70 Application Field and Working Principle

Real time clocks (RTC) are electronic timing devices that keep track of the current time. Used in a variety of applications, they are highly accurate and reliable. The DS1746P-70 is a real time clock module designed by Dallas Semiconductor, which is popular and widely used in many industry fields.

Application Field and Features: This chip provides a wide range of features which makes it suitable for a variety of applications. The clock operates from a wide range of voltages, from 2.0 V to 5.25 V, and is able to keep track of time even when the power is removed for an extended time. It also includes an on-board oscillator with 32.768 Hz frequency used to drive the clock, making it able to maintain accurate timekeeping even when the battery or external power supply fail. The chip also includes a dedicated pulse timer circuit, used to generate regular event intervals for tasks like time keeping, temperature sensing and other functions. In addition, the chip includes a serial interface that allows access to all of the clock’s timing functions, making it easy to program and configure the module.

Working Principle: The DS1746P-70 works on a principle similar to analog clocks. It uses a quartz crystal oscillator to generate an accurate frequency source that drives an internal timer. This timer keeps track of the current time, displayed in digital format. The system works on a binary basis, with the lower order bits of the timer providing the basic time keeping, while the higher order bits provide the accuracy and resolution of the time data. Regardless of the elapsed time, the clock’s accuracy is maintained within a few seconds per day.

The DS1746P-70 also includes a circuit for performing automatic frequency correction, ensuring that the clock is able to track its time accurately over extended periods of time. This feature improves the accuracy of the clock significantly when compared to other RTCs that do not support automatic frequency correction. The clock also supports an interrupt function, which can be used to trigger an alarm or other external events at predetermined intervals.

The DS1746P-70 provides a wide range of features that make it suitable for use in a variety of different projects. Its accuracy and performance make it an ideal choice for a wide range of applications, from embedded systems to instrumentation projects.

The specific data is subject to PDF, and the above content is for reference