Analog Devices Inc./Maxim Integrated

DS17885-5  

Real Time Clocks ICs

DS17885-5 Description

The DS17885-5 is a highly integrated Real-Time Clock (RTC) and Calendar IC designed by Analog Devices Inc./Maxim Integrated. This component is part of the DS17885 family and is packaged in a Through Hole 24DIP format. It offers a comprehensive set of features that make it suitable for a wide range of applications requiring precise timekeeping and data storage.

The DS17885-5 operates within a temperature range of 0°C to 70°C, ensuring reliable performance in various environmental conditions. It is powered by a supply voltage of 4.5V to 5.5V and can be backed up by a battery supply voltage of 2.5V to 3.7V, ensuring continuous operation even during power outages. The device consumes a maximum of 3mA during timekeeping, making it energy-efficient.

The DS17885-5 features an 8KB Non-Volatile Static RAM (NVSRAM) for data storage, providing ample space for storing critical information. It supports both 12-hour and 24-hour time formats (HH:MM:SS) and includes advanced features such as an alarm, daylight savings adjustment, leap year compensation, and a square wave output. The parallel interface facilitates easy integration with other system components.

This IC is housed in a Tube package and is compliant with RoHS3 standards, ensuring environmental safety. It also meets the REACH unaffected status, making it suitable for use in various industries. The DS17885-5 is classified under HTSUS code 8542.39.0001 and has a Moisture Sensitivity Level (MSL) of 1, indicating it is not moisture-sensitive and can be stored without special precautions.

DS17885-5 Features

• Clock/Calendar Functionality: Provides accurate timekeeping with support for both 12-hour and 24-hour formats.
• 8KB NVSRAM: Offers robust data storage capabilities, ensuring data integrity even during power loss.
• Advanced Features: Includes alarm, daylight savings, leap year compensation, and square wave output.
• Energy Efficiency: Consumes a maximum of 3mA during timekeeping, optimized for low power consumption.
• Wide Operating Voltage Range: Operates on a supply voltage of 4.5V to 5.5V and can be backed up by a battery voltage of 2.5V to 3.7V.
• Parallel Interface: Facilitates straightforward integration with other system components.
• Compliance: Meets RoHS3 and REACH unaffected standards, ensuring environmental safety.
• Moisture Sensitivity Level 1: Not moisture-sensitive, allowing for flexible storage and handling.

DS17885-5 Applications

The DS17885-5 is ideal for applications requiring precise timekeeping and reliable data storage. Its comprehensive feature set makes it suitable for:

• Embedded Systems: Provides accurate timekeeping and data storage for embedded devices.
• Industrial Control Systems: Ensures reliable operation in industrial environments with its wide operating temperature range.
• Consumer Electronics: Suitable for devices requiring accurate time display and data retention.
• Telecommunications: Ideal for systems needing precise time synchronization and data storage.
• Medical Devices: Provides reliable timekeeping and data storage for medical equipment.

Conclusion of DS17885-5

The DS17885-5 is a versatile and reliable Real-Time Clock and Calendar IC that offers a comprehensive set of features and benefits. Its wide operating voltage range, energy efficiency, and advanced features make it an excellent choice for a variety of applications. Despite being marked as obsolete, the DS17885-5 remains a robust solution for precise timekeeping and data storage needs. Its compliance with industry standards and environmental regulations further enhances its suitability for modern electronics applications.

DS17885-5 Documents

Download datasheets and manufacturer documentation for DS17885-5

Datasheets :

DS17x85, x87      

Other Related Documents :

Tips for Writing Bulletproof Real-Time Clock Control Code      

Application Notes :

Crystal Considerations with Maxim Real-Time Clocks (RTCs)       Selecting a Backup Source for Real-Time Clocks       DS1685/87 and DS17X85/87 Accessing Extended User RAM      

PCN Obsolescence/ EOL :

Mult Dev OBS 14/Apr/2009      

Environmental Information :

Maxim Integrated RoHS Cert       Material Declaration DS17885-5       Maxim Integrated REACH