DS1685Q-3

Interface:	Parallel
Base Part Number:	DS1685
Supplier Device Package:	28-PLCC (11.51x11.51)
Package / Case:	28-LCC (J-Lead)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C
Current - Timekeeping (Max):	2mA @ 3V
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:	242B
Features:	Alarm, NVSRAM, Square Wave Output, Y2K
Type:	Clock/Calendar
Part Status:	Active
Packaging:	Tube

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INTRODUCTION

The DS1685Q-3 is a real-time clock and crystal oscillator module designed to provide extremely accurate timing and date-stamp information to industrial applications. The device has a wide operating temperature range of -40 to +85C, which makes it suitable for automotive and communications applications, as well as other high-reliability applications. The DS1685Q-3 has a low-power standby mode, making it suitable for battery-powered applications, and a self-programming oscillator, which ensures that the device will always provide an accurate time and date stamp. It features an integrated battery backup circuit, so that the clock can continue to operate even when the main power is lost.

APPLICATION FIELD AND WORKING PRINCIPLE

The DS1685Q-3 real-time clock and crystal oscillator module is suitable for a range of applications. It can be used in industrial process control, including home and building automation, transportation, and rail systems. The device can be used as a timing device in automotive and aerospace applications, as well as medical and communications applications. The device\'s low-power standby mode makes it suitable for battery-powered applications, and its wide operating temperature range makes it suitable for a range of environments.The DS1685Q-3 real-time clock and crystal oscillator module operates on a simple principle. It contains an oscillator that is driven by a timing quartz crystal. The oscillator produces an accurate electrical signal of a fixed frequency, which is then used to accurately measure time. The clock circuitry measures the frequency of the oscillator and then creates a time and date stamp from this information. The device can be used to accurately synchronize industrial equipment and processes, and to provide reliable timing information for automotive and aerospace applications.

FEATURES

The DS1685Q-3 real-time clock and crystal oscillator module has a number of features that make it suitable for a range of applications and environments. The device\'s low-power standby mode ensures that it can continue to operate even when the main power supply is lost, and its wide operating temperature range ensures that it can operate reliably in a range of environments. The device also features an integrated battery backup circuit, so that the clock can continue to operate even when the main power is lost, as well as a self-programming oscillator, which ensures that the device will always provide an accurate time and date stamp.

CONCLUSION

The DS1685Q-3 real-time clock and crystal oscillator module is a highly accurate and reliable device suitable for a range of different applications. The device is suitable for battery-powered and automotive applications, and its wide operating temperature range makes it suitable for a range of environments. The device features a low-power standby mode and an integrated battery backup circuit, ensuring that the clock can continue to operate even when the main power is lost. The device also features a self-programming oscillator, ensuring that the device will always provide an accurate time and date stamp. This makes it highly suitable for industrial process control, including home and building automation, transportation, and rail systems.

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