Maxim Integrated DS1646-120+ Nonvolatile Timekeeping RAM

The DS1646-120+ is a robust, full-featured nonvolatile timekeeping RAM module from Maxim Integrated, designed to offer a comprehensive solution for systems requiring both data storage and a real-time clock (RTC) with an integrated battery. This product is particularly suitable for applications where long-term data retention and accurate timekeeping are critical, even during power loss.

Key Features

• Nonvolatile Timekeeping: The DS1646-120+ incorporates a real-time clock/calendar and 128k x 8 nonvolatile static RAM. The device ensures that both time and user data are maintained for over 10 years in the absence of external power.
• Automatic Battery Switching: The module includes an integrated lithium energy source and a control circuit that automatically switches to the battery when external power is lost, thus preserving data integrity and maintaining clock accuracy.
• High-Speed Data Transfer: With access times as fast as 120 ns, the DS1646-120+ allows for rapid data retrieval and storage, making it an efficient choice for high-performance computing tasks.
• Durable Design: Housed in a 34-pin JEDEC standard DIP package, the device is engineered to withstand harsh environments and is suitable for industrial applications.
• Low Power Consumption: The module is designed with power-saving features that minimize current draw during operation and battery backup, thus extending the life of the onboard battery.

Applications

The DS1646-120+ is ideal for a wide range of applications, including:

• Embedded systems
• Utility meters
• Industrial timekeeping
• Medical devices
• POS terminals

Technical Specifications

With its combination of nonvolatile memory, long-term timekeeping, and a durable design, the DS1646-120+ from Maxim Integrated is an excellent choice for maintaining critical data and time information across a multitude of applications.