DS1337+

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The DS1337+ is a versatile Real Time Clock (RTC) commonly used in a wide range of industrial and consumer applications due to its accuracy, size and low power consumption. The device is accessible from a variety of logic interfaces, making it compatible with different architectures such as microcontrollers, PLCs and FPGAs. This article provides an overview of the DS1337+ and its applications, along with a detailed explanation of its working principle.

Features of the DS1337+

The DS1337+ features a sophisticated yet easy to use architecture that combines both a Real Time Clock as well as an 8-bit counter. It is available in both 3.3V and 5V versions, with low power consumption of 1µA in standby mode and 256 nA when disabled. The device also provides unique features such as a high-precision 85-second time-stamp timer, an on-board 30 µA backup battery supply, and an event counter with up to 17 years of lifetime. Furthermore, the device is accessible through a variety of logic interfaces and comes with a low power consumption sleep mode compatible with low voltage power supplies.

Applications of the DS1337+

The DS1337+ is a versatile device and can be used for a variety of applications, including but not limited to:

• Timing and synchronization in industrial, consumer and automotive systems.
• Wake-up/sleep mode control applications.
• Measurement and analysis of duration and frequency.
• Time tracking and logging.
• Data acquisition and monitoring.
• Network and communications.

Working principle of the DS1337+

The DS1337+ is a versatile RTC that uses a 7-bit counter to generate a time signal as an output. The output signals are asynchronous and are generated every 8 seconds, 16 seconds and 32 seconds, depending on the counter setting. The internal clock can be driven from an external 32.768KHz crystal or an external clock signal. The device has 64 bytes of Non-volatile SRAM that can be used to store data related to events or alarms. The DS1337+ has an onboard backup battery supply that can be used to keep the time in case of power failure. It also has an interrupt output pin that can be used to generate an interrupt signal when an alarm or event is triggered.

Conclusion

The DS1337+ is a feature rich real time clock device that can be used in a variety of applications. It offers low power consumption, high precision time stamp, an on-board backup battery supply, and an interrupt output for event triggering. The device can be accessed through a variety of logic interfaces, making it a versatile and cost-effective solution for timing and synchronization applications.

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