DS1315-5

Interface:	Parallel
Base Part Number:	DS1315
Supplier Device Package:	16-PDIP
Package / Case:	16-DIP (0.300", 7.62mm)
Mounting Type:	Through Hole
Operating Temperature:	0°C ~ 70°C
Current - Timekeeping (Max):	1.3mA @ 5V
Voltage - Supply, Battery:	2.5 V ~ 3.7 V
Voltage - Supply:	4.5 V ~ 5.5 V
Series:	--
Date Format:	YY-MM-DD-dd
Time Format:	HH:MM:SS:hh (12/24 hr)
Memory Size:	--
Features:	Leap Year
Type:	Phantom Time Chip
Part Status:	Obsolete
Packaging:	Tube

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DS1315-5 Real Time Clock Real time clocks (RTCs) are electro-mechanical devices that are used to keep track of the time of day in a variety of applications. In particular, the DS1315-5 is one such RTC, designed to accurately keep track of time and date while providing a variety of extra features. In this article, we will discuss the application fields and working principle of the DS1315-5. Applications Fields The DS1315-5 RTC is designed to be used in embedded systems and applications where time accuracy is critical. It is well-suited for uses that require real-time data logging, scheduling, and time-sensitive operations. It is commonly used in telecommunication systems, network systems, fire alarms, and other applications where time needs to be accurately tracked and logged. Working Principle The DS1315-5 uses a low-power, CMOS-based architecture which allows it to be used in embedded systems that require low power consumption. The RTC has a 32-pin DIP or SO chip package that makes it smaller and easier to integrate into systems. It also has a built-in supervisor circuit to ensure the RTC is always running correctly, and an accuracy of ±2 minutes per month. The DS1315-5 is based on a quartz crystal that provides a highly accurate time reference. The onboard microprocessor uses this reference to calculate and maintain the current time accurately. The time data is then stored in the onboard RAM, which is protected by an onboard backup battery which provides power during power outages to ensure the time data is not lost.The DS1315-5 is also able to provide alarms and other functions depending on the user’s needs. The onboard RAM can store up to 8 bytes of user-defined data that can be used to program various alarms and timings. The RTC has programmable alarms that allow users to set alarms to sound at specific times, and it can be programmed to take action, such as resetting a system, if it detects an alarm condition. Lastly, the DS1315-5 has an integrated Real Time Clock Counter that allows users to track and store event-specific data for long-term storage. This can be used for logging system events, such as power failure, to help track and analyze system behavior and performance. Conclusion The DS1315-5 Real Time Clock is a popular choice for embedded systems and applications that require highly accurate time tracking and data logging. With its onboard RAM and backup battery, it can store up to 8 bytes of user-defined data and be used to provide alarms and other functions. Its design also ensures that it consumes little power and can be easily integrated into most applications.

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