Maxim Integrated DS1243Y-150 Nonvolatile Timekeeping RAM

The Maxim Integrated DS1243Y-150 is a robust, full-featured nonvolatile timekeeping RAM that combines a full-featured real-time clock and 64K x 8 nonvolatile static RAM in one package. This innovative product is designed to maintain data integrity and provide accurate timekeeping in systems that require battery-backed RAM and a timekeeping function, making it an ideal solution for a wide range of applications, including industrial control systems, medical devices, and communication infrastructure.

Key Features:

• Integrated Real-Time Clock/Calendar: The DS1243Y-150 features a full-featured real-time clock/calendar that maintains seconds, minutes, hours, day, date, month, and year information. The clock/calendar provides a leap-year compensation valid up to the year 2100.
• Nonvolatile Timekeeping RAM: With its 64K x 8 nonvolatile static RAM, the device ensures that data is retained even when the main power is lost. The nonvolatile aspect is crucial for maintaining critical data without the need for an external battery.
• Automatic Battery Backup Switching: The module includes an integrated lithium energy source and a battery-backup controller circuit that automatically switches to the battery supply when power failures are detected, ensuring seamless operation and data preservation.
• Low-Power Operation: Designed for energy efficiency, the DS1243Y-150 operates in a low-power mode that extends the life of the onboard battery, making it suitable for long-term deployment in remote or power-sensitive applications.
• High-Speed Interface: The device supports a fast access time of 150ns, allowing quick data retrieval and storage, which is essential for high-performance systems.

Applications:

• Utility Meters
• Security Systems
• Network Hubs, Bridges, and Routers
• Point-of-Sale Equipment
• Medical Devices
• Industrial Process Control Systems

The DS1243Y-150 is encapsulated in a 28-pin EDIP (Encapsulated Dual In-line Package) or 32-pin TSOP (Thin Small Outline Package), providing a compact and reliable form factor for space-constrained environments. With its combination of nonvolatile memory, precision timekeeping, and low-power operation, the DS1243Y-150 from Maxim Integrated is a versatile component that enhances the reliability and functionality of a wide variety of electronic systems.