Analog Devices Inc./Maxim Integrated

DS1302S/T&R  

Real Time Clocks ICs

DS1302S/T&R Description

The DS1302S/T&R is a surface-mount Real Time Clock (RTC) and calendar IC from Analog Devices Inc./Maxim Integrated, designed to provide accurate timekeeping and calendar functions. This device is housed in a Tape & Reel (TR) package, making it suitable for automated assembly processes. The DS1302S/T&R operates within a temperature range of 0°C to 70°C, ensuring reliable performance in various ambient conditions. It supports a supply voltage range of 2V to 5.5V, making it compatible with a wide range of power supplies. The device also features a battery backup supply voltage range of 2V to 5.5V, ensuring continuous operation even in the event of a main power failure.

DS1302S/T&R Features

• Clock and Calendar Functions: The DS1302S/T&R provides a comprehensive clock and calendar solution, tracking time in the format of HH:MM:SS (12/24 hour) and maintaining calendar information.
• Low Power Consumption: With a maximum timekeeping current of 0.3µA to 1µA at 2V to 5V, the DS1302S/T&R is highly energy-efficient, making it ideal for battery-operated applications.
• Memory Size: The device includes 31 bytes of memory, which can be used for additional data storage.
• Moisture Sensitivity Level (MSL): Rated at MSL 1 (Unlimited), the DS1302S/T&R is suitable for use in environments with varying humidity levels without the need for special handling.
• Compliance: The DS1302S/T&R is REACH unaffected and classified under ECCN EAR99, ensuring compliance with international regulations.
• Package Type: The Tape & Reel (TR) packaging facilitates easy handling and integration into automated manufacturing processes.

DS1302S/T&R Applications

The DS1302S/T&R is well-suited for a variety of applications where accurate timekeeping and calendar functions are essential. Its low power consumption and wide operating voltage range make it ideal for battery-backed systems. Some specific use cases include:

• Consumer Electronics: In devices such as digital clocks, alarm clocks, and home automation systems where accurate time display and scheduling are required.
• Industrial Applications: For industrial control systems, data loggers, and monitoring equipment that require precise time and date tracking.
• Medical Devices: In medical equipment where accurate timekeeping is crucial for logging events and maintaining records.
• Automotive Systems: For in-vehicle infotainment systems, telematics, and other automotive applications that require reliable time and date information.

Conclusion of DS1302S/T&R

The DS1302S/T&R is a robust and versatile RTC and calendar IC from Analog Devices Inc./Maxim Integrated. Its low power consumption, wide operating voltage range, and comprehensive timekeeping functions make it a reliable choice for various applications. While the product is now obsolete, its legacy continues to be relevant in systems where accurate time and date tracking are essential. The DS1302S/T&R's unique features, such as its 31-byte memory and moisture sensitivity level rating, provide additional advantages over similar models, making it a preferred choice for many applications.

DS1302S/T&R Documents

Download datasheets and manufacturer documentation for DS1302S/T&R