DS1338Z-18

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Real time clocks store accurate time even when power is not available. This helps in keeping a record of the time even when the power fails, which would otherwise be lost. The DS1338Z-18 is a real time clock recognized for its high accuracy, low power consumption and wide temperature variations. It is a widely used chip for applications in which the time needs to be accurately monitored, like security cameras, traffic systems, and credit card processing.

The DS1338Z-18 is a real time clock chip manufactured by Maxim Integrated using CMOS technology. It has been designed with a low power operation in mind, making it ideal for applications that require low power usage and accuracy. The chip has seven clock registers and a 32 kHz oscillator. The clock registers are used to store parameters like time and date, time format, and alarms. A crystal oscillator is connected externally to the chip, which allows it to maintain its accuracy.

The DS1338Z-18 real time clock has a wide operating temperature range ranging from –40 to +85 degrees Celsius. It comes in an 8-pin package and is powered by a 3.3V or 5V power supply. The chip also supports data input in either binary or BCD format, with a selectable 12/24-hour time format. The chip requires a 32.768kHz crystal oscillator connected externally for accurate clock operation.

The primary task of the DS1338Z-18 is to generate accurate time based on the internal oscillator, and to maintain a continual sequence of time and date values. The chip receives and stores data from the external crystal oscillator to maintain its accuracy and provide reliable time information. When power is removed from the chip, the values stored in the registers are preserved for future use, allowing the clock to restart from the exact position it was left off at when the power returns.

The DS1338Z-18 can support a variety of applications due to its wide operating range, reliable accuracy, and low power consumption. It is used in timers, security systems, and automotive applications to keep time accurately. It is also used in thermostats, and credit card processing where precise timing is required. The chip is also used in medical grade applications like monitoring heart-rate and sleep analysis.

The DS1338Z-18 real time clock is a precise, reliable, and low power chip for applications that require accurate timekeeping.

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