The DS1554-70IND is a full-function, year-2000-compliant (Y2K), real-time clock/calendar (RTC) and 512k NV SRAM from Maxim Integrated. This robust timekeeping RAM is designed to provide a simple and efficient method of time tracking, along with the added benefit of nonvolatile data storage. It is particularly well-suited for applications in harsh industrial environments due to its extended temperature range.

Key Features

• Integrated Real-Time Clock/Calendar: Keeps track of seconds, minutes, hours, days, date, months, and years with leap-year compensation valid up to the year 2100.
• Nonvolatile SRAM: 512k of static RAM allows for data storage that is maintained even when the primary power is lost, thanks to an onboard lithium energy source.
• Automatic Battery Switchover: When primary power is lost, the device automatically switches to the lithium battery, ensuring uninterrupted operation of the clock and data retention.
• Industrial Temperature Range: The DS1554-70IND operates reliably in extreme temperatures ranging from -40°C to +85°C, making it ideal for industrial applications.
• Programmable Watchdog Timer: Provides system recovery in the event of a system hang or failure.
• Power-Fail Write Protection: Ensures that write operations are completed even if power failure occurs during the operation.
• Low Power Consumption: Designed for efficient power usage to extend battery life and reduce overall energy costs.

Applications

The DS1554-70IND is a versatile component that is ideal for a wide range of applications, including:

• Industrial systems
• Embedded systems
• Utility meters
• Network hubs, switches, and routers
• Medical equipment
• POS terminals

With its combination of real-time clock functionality and nonvolatile data storage, the DS1554-70IND from Maxim Integrated offers a dependable and practical solution for timekeeping and data retention in critical applications where durability and reliability are paramount.