Maxim Integrated DS17485S-5 Real-Time Clock

The Maxim Integrated DS17485S-5 is a high-precision, full-featured real-time clock (RTC) module that provides a comprehensive timekeeping solution for a wide range of applications. Designed with versatility in mind, this RTC module integrates a quartz crystal and a lithium battery into a single 24-pin encapsulated DIP (Dual In-line Package), making it an ideal choice for systems that require reliable timekeeping capabilities with minimal external components.

Key Features

• Integrated Power Supply: The DS17485S-5 includes a built-in lithium battery, ensuring that timekeeping functions continue uninterrupted during power failures or when the main supply is turned off.
• Accurate Timekeeping: With the embedded crystal oscillator, the device maintains accurate time and date information, including seconds, minutes, hours, day, date, month, and year, with leap year compensation valid up to the year 2100.
• Multiple Interfaces: The device supports both serial and parallel user interfaces, providing flexibility for integration with a variety of microprocessor systems.
• Programmable Alarm: A programmable alarm function allows users to set up time-based alerts, which can be used to schedule events or wake up the system from a low-power state.
• Extended Operating Temperature: The module is designed to operate over an industrial temperature range, making it suitable for demanding environments.

Applications

The DS17485S-5 is an ideal RTC solution for applications that require precise timekeeping and data retention during power loss. Its robust feature set makes it suitable for:

• Embedded Systems
• Industrial Control Systems
• Utility Meters
• Point of Sale (POS) Terminals
• Data Loggers
• Medical Devices

Technical Specifications

The DS17485S-5 offers a wide voltage range, typically from 4.5V to 5.5V, and a low-power consumption design, which is critical for battery-backed applications. The device's encapsulation ensures long-term reliability, and its built-in battery has a shelf life that ensures years of service without the need for maintenance or battery replacement.

With its combination of features, the Maxim Integrated DS17485S-5 stands out as a robust and reliable component for any design requiring an RTC. Its ease of integration, coupled with Maxim's reputation for quality, makes it a go-to choice for engineers and designers looking to add real-time clock functionality to their projects.