DS1243Y-120+

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The DS1243Y-120+ is a Real Time Clock (RTC) module which measures time accurately using a combination of oscillator, counter and register. Over time, its accuracy is affected by various factors, so it must be calibrated more often than a quartz crystal-based RTC in order to keep it as accurate as possible. In addition to its main function as an RTC, the DS1243Y-120+ also provides access to special functionalities such as a separate alarm, 3-byte data storage and a wide supply voltage range.As a Real Time Clock, the DS1243Y-120+ is designed to provide both the absolute measurement of time (wall clock time) and the relative measurement of time (processed time, short intervals) with high accuracy and stability. This makes it an ideal solution for applications that require reliable time-stamping and logging of events, such as data collection, inventory management and security systems.The DS1243Y-120+ module is built around a central oscillator, counter, and register. It features 32.768 kHz, 1.5V-3V supply voltage operation, and a temperature compensated quartz crystal. The oscillator is responsible for providing a stable clock frequency, which is then used to drive the counter. The counter is responsible for counting the time information before sending it to the register for storage.The register acts like a memory, storing the data which is counted by the oscillator. The register can store up to 3 bytes of data, meaning that the module can store and process multiple data sets. Additionally, the module also provides an alerting system, allowing users to set and enable an alarm, which then triggers an event when the desired time is reached.The main benefit of the DS1243Y-120+ module is its low power consumption and wide voltage range. It consumes very little power which makes it ideal for applications where power efficiency is important, such as battery-powered systems. Furthermore, its wide supply voltage range allows it to operate both in low-power circuits, as well as in higher power applications such as PCs.Overall, the DS1243Y-120+ module is a perfect solution for applications that require accurate and reliable timekeeping with low power consumption. With its wide voltage range, high accuracy, and easy to use interface, the module makes it ideal for applications such as data collection, inventory management, security systems, and time-stamping devices.

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