PCA8802CX8/B/1,027

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The PCA8802CX8/B/1,027 is a Real-Time Clock (RTC) IC that is designed for applications requiring precise time-keeping and robust data storage. The chip is a low-power, small-size, high-performance RTC designed for applications such as point of sale terminals, automotive and industrial control modules, industrial PCs, and other systems requiring precise timekeeping and data storage. The PCA8802CX8/B/1,027 RTC chip provides a wide variety of features such as time & date accuracy of ±2 minutes per month, programmable alarms, interrupt signals, and IrDA (infrared) data communications.

The PCA8802CX8/B/1,027 provides a full featured RTC solution with superior accuracy, suitable for applications requiring precise time-keeping and robust data storage. The RTC includes a full-featured 32kHz non-volatile real-time clock, an oscillator circuit, an back-up battery option, an EEPROM memory, an event logger, and an interrupt controller. The PCA8802CX8/B/1,027 RTC provides accurate playback and capture functionality and operates on a supply voltage of 2.2V to 3.6V with single-cell alkaline battery backup for time keeping in case of power failure.

The PCA8802CX8/B/1,027 RTC has an “oscillator circuit” that contains a temperature compensated crystal oscillator (TCXO). This type of oscillator is an essential part of the RTC as it is responsible for providing the frequency that is used by the chip to keep track of time. The oscillator is also in charge of providing the calibration information to the chip. The oscillator circuit is supported by an external frequency accuracy of ±2 minutes per month.

The PCA8802CX8/B/1,027 RTC also has an integrated EEPROM memory cell which is used to store user data and configuration settings. The EEPROM can hold data for up to 65 years without power and can be used in tandem with the real-time clock function to provide robust data storage solution. The EEPROM can also be used to store custom application settings and data verification information.

The PCA8802CX8/B/1,027 RTC also has an event logger which can be used to record system operations and setups during operation. The event logger logs the time, date and system state whenever an event occurs and can be used to help troubleshoot system operations. The event logger uses a 256k-bit non-volatile memory which can store up to 32k events.

The PCA8802CX8/B/1,027 RTC also has an interrupt controller which is used to program interruption signals into the chip. The interrupt controller can generate an interrupt signal when a certain event occurs such as low battery, alarm, or temperature alarm. This feature can be used to alert the system when an event has occurred or when a certain condition has been met.

The PCA8802CX8/B/1,027 RTC is a highly accurate and robust clock designed for use in systems requiring low power, small-size, and accurate timekeeping. The chip offers a number of features such as time & date accuracy of ±2 minutes per month, programmable alarms, interrupt signals, and IrDA (infrared) data communications which make it suitable for a wide variety of applications. The chip also has an oscillator circuit, an EEPROM memory, an event logger, and an interrupt controller, making it a reliable and powerful real-time clock solution.

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