Maxim Integrated's DS1747W-120: Robust Y2K-Compliant Timekeeping Solution

The DS1747W-120 is a high-performance, full-featured timekeeping RAM designed by Maxim Integrated to provide a reliable and durable solution for systems requiring accurate time and date information. This component is particularly suitable for applications where maintaining data integrity and timekeeping is crucial, even in the absence of power.

Key Features

• Integrated Power-Supply: The DS1747W-120 comes with a built-in lithium battery, ensuring that timekeeping and RAM data are preserved for over 10 years in the absence of external power.
• Memory Capacity: It boasts 128k x 8 nonvolatile static RAM, providing substantial space for data storage that is protected from loss during power failure events.
• Real-Time Clock: The device includes a full-function, binary-coded decimal (BCD) real-time clock/calendar (RTC) that is accurate to the minute, second, day, month, year, and century. The RTC is Y2K-compliant, with automatic leap year compensation up to the year 2100.
• Watchdog Timer: An integrated watchdog timer enhances system reliability by initiating a system reset in case of a malfunction or if the system becomes unresponsive.
• Programmable Alarm: A programmable alarm feature allows users to set up time-based alerts, which can be critical for time-sensitive applications.
• Temperature Range: The DS1747W-120 operates effectively across a wide temperature range, making it suitable for various industrial environments.
• Package: Housed in a 34-pin PowerCap Module (PCM), this device is designed for easy integration into existing systems.

Applications

The DS1747W-120 is ideal for a broad spectrum of applications, including:

• Telecommunication systems
• Embedded systems
• Industrial control systems
• Network servers
• Utility meters

With its robust feature set, the DS1747W-120 from Maxim Integrated offers a comprehensive solution for systems that demand accurate timekeeping and data retention capabilities. Its reliability and longevity make it a preferred choice for designers and engineers looking to enhance the performance of their applications.