DS1340Z-33+

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The DS1340Z-33+ is a real-time clock that was designed to provide solutions for clock, calendar and power-fail applications. It features several key features, such as a low supply current, wide supply voltage and full temperature range. Built-in battery-backed RAM is also offered to provide power-fail protection and secure storage of critical data. With its slim design, it is also suitable for low-profile applications.

Application Fields

The DS1340Z-33+ is ideal for industrial automation and control systems, office automation, embedded systems, consumer electronics and PC systems. Anywhere precise timekeeping is important, this real-time clock can be of great use. For example, the power-fail protection can ensure that all time sensitive data remain accurate even during extended power outages. Additionally, its slim package design is perfect for a variety of low-profile solutions.

Working Principle

The basic principle of the DS1340Z-33+ is to measure the flow of time and create a logical representation of it in digital form. The primary components used to generate the time and the alarm signals are the on board clock oscillator and the programmable registers. The first function of the oscillator is to clock the main chip and maintain its proper timing. Secondly, the oscillator generates a periodic signal that can be used to increment the various registers.

The DS1340Z-33+ contains five programmable registers: an address register, a time register, an alarm register, a control register and a status register. The address register is used to address the various registers during an I2C communication. The time register stores the current time in a human-readable format (hours, minutes, and seconds). The alarm register is used to store the alarm time and to trigger an interrupt or a reset at specified times. The control register is used to determine how the chip behaves upon a given interrupt or reset. Lastly, the status register shows the alarm and interrupt states of the chip.

The time register is compared with the alarm register at regular intervals to determine if the alarm time has been reached. If the alarm time has been reached, then the interrupt or reset specified in the control register is triggered. Additionally, the status register is updated to reflect the new alarm and interrupt states. The DS1340Z-33+ can be programmed to clear the alarm time upon a reset or an interrupt, so that the alarm will only occur once.

Conclusion

The DS1340Z-33+ is a low-power, low-profile real-time clock that is ideal for industrial, office, and embedded applications. Its highly-accurate timing and power fail protection make it a great choice for any system that requires precise and reliable timekeeping. Additionally, its slim form factor makes it suitable for low-profile solutions. With its robust and reliable design, the DS1340Z-33+ is a great choice for any system application.

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