X1205S8Z

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X1205S8Z Application Field and Working Principle

From the viewpoint of timekeeping technology, a real-time clock (RTC), also known as the system clock, is an integrated circuit (IC) chip used to maintain time and timekeeping functions in a digital microprocessors such as microcontrollers and embedded systems.

The X1205S8Z from Maxim Integrated is a low power real-time clock (RTC) in space-saving 8-pin SO package, which is ideal for microcontroller-based applications with limited board space or battery-powered applications. The device features extremely low power consumption of up to 500nA in Battery Backup operation mode and industry-leading performance with an onboard crystal oscillator.

Applications

The X1205S8Z is designed for use in a wide range of applications where accurate timekeeping is essential. This includes internet of things (IoT) applications, home and commercial automation systems, systems for data acquisition and logging, gaming, robotics and similar embedded systems.

Working Principle

The X1205S8Z chip is based on an oscillator circuit, consisting of a quartz crystal that acts as an oscillator and a capacitor that acts as a filter. The X1205S8Z is an oscillator-type clock chip. It uses the quartz crystal to create a clock signal that is accurately timed to the second, using an onboard oscillator. This clock signal is then used to keep track of time and counting time for time-based events, such as alarms.

The X1205S8Z features a battery backup system. It runs off of two AA batteries, which will keep the device running as long as power is available. This allows the device to continue to keep time, even in the event of a power loss.

The X1205S8Z also has an integrated temperature compensated crystal oscillator (TCXO) that provides greater accuracy over time, as well as an internal voltage regulator for increased stability.

Conclusion

The Maxim Integrated X1205S8Z real-time clock is a low-power, space-saving chip designed to maintain accurate timekeeping in embedded systems and microcontroller-based applications. It is based on a crystal oscillator that is accurately timed to the second, and features a battery backup system and an integrated temperature compensated crystal oscillator (TCXO) for greater accuracy and stability over time.

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