DS17285E-3

Interface:	Parallel
Base Part Number:	DS17285
Supplier Device Package:	28-TSOP
Package / Case:	28-TSSOP (0.465", 11.80mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Current - Timekeeping (Max):	2mA @ 2.7V ~ 3.7V
Voltage - Supply, Battery:	2.5 V ~ 3.7 V
Voltage - Supply:	2.7 V ~ 3.7 V
Series:	--
Date Format:	YY-MM-DD-dd
Time Format:	HH:MM:SS (12/24 hr)
Memory Size:	2KB
Features:	Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output
Type:	Clock/Calendar
Part Status:	Obsolete
Packaging:	Tray

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DS17285E-3 is a widely used real-time clock device. It is an integrated circuit that is placed on a circuit board and is used to provide time-based functions to the system, such as counting time, time stamping, and alarms. It has been designed to simplify the process of setting up a timer, and to provide a low-power but reliable clock source. The DS17285E-3 features an integrated temperature-compensated oscillator, an integrated temperature-sensing crystal, and an integrated temperature-compensated voltage regulator. This combination of features helps to ensure that the device is able to maintain a stable and accurate clock rate over a wide temperature range. The DS17285E-3 is used mainly in embedded systems and can be implemented in a variety of different host applications including consumer electronics, industrial control systems, and automotive applications. The device is particularly useful for applications that require accuracy and stability over a wide temperature range, such as consumer applications that use a battery-backed clock. The working prinicple of the DS17285E-3 is based on the accurate oscillation of a quartz crystal. The quartz crystal used in the clock is temperature-compensated to ensure accurate operation over a wide temperature range. The quartz crystal resonates at 32.768 KHz, allowing the clock to measure time accurately. In addition to crystal oscillation, the DS17285E-3 also features two integrated voltage regulators. The design of these voltage regulators ensures that the clock operates on a low voltage, reducing the power consumed by the system. The low power consumption also contributes to the stability of the clock accuracy. The DS17285E-3 also comes with an integrated temperature-sensing crystal which is used to reduce the offset error that are caused by temperature variation. The temperature sensor is used to measure the temperature of the system and adjust the clock rate accordingly. Working in conjunction with the quartz crystal, this feature helps to ensure that the clock accuracy is as accurate as possible. The time is stored in a battery-backed RAM memory cell, allowing the clock to keep running even in the event of a power failure. This feature makes the DS17285E-3 ideal for systems that require time-keeping even when the system is powered off. The clock can also be reset manually at any time if necessary. Overall, the DS17285E-3 is an ideal solution for applications that require accuracy and stability over a wide temperature range. The integrated temperature-compensated crystal, temperature-sensing crystal, and low-voltage regulators all ensure that the clock maintains accuracy and stability regardless of the operating environment. The DS17285E-3 has a wide range of applications in embedded and other systems. The device is well-suited for use in consumer, industrial, and automotive applications where accuracy and stability are paramount. In conclusion, the DS17285E-3 is a key component when it comes to providing reliable time-based functions in a system. The clock device is designed to simplify the process of setting up a timer, while providing a low-power and reliable clock source. The design of the device also ensures that the clock accuracy is robust and stable across a wide temperature range. The DS17285E-3 is an ideal choice for applications that require accuracy and long-term stability.

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