Maxim Integrated DS1643AL-120 Nonvolatile Timekeeping RAM

The DS1643AL-120 is a state-of-the-art nonvolatile timekeeping RAM module from Maxim Integrated, designed to provide a comprehensive solution for systems requiring both durable memory storage and an embedded real-time clock (RTC). This innovative product seamlessly integrates a full-featured, battery-backed RTC and 32KB of nonvolatile static RAM into a single package, ensuring data and timekeeping integrity even during power loss.

Key Features of the DS1643AL-120

• Integrated Real-Time Clock and Memory: The device combines a real-time clock and 32KB of nonvolatile SRAM, offering a two-in-one solution for time and data storage.
• Long Battery Life: The DS1643AL-120 is equipped with a built-in lithium energy cell that provides over 10 years of data retention and RTC functionality in the absence of external power.
• Automatic Power-Fail Chip Deactivation: The internal circuitry automatically switches to the battery supply when a power failure is detected, ensuring data preservation and continuous timekeeping.
• High Precision: The RTC maintains accurate timekeeping with a precision oscillator and minimal drift over temperature variations.
• Simple Interface: The device utilizes a parallel interface for easy integration with microcontrollers and other logic, allowing for straightforward memory access and time management.
• Surface-Mount Package: The DS1643AL-120 is available in a 34-pin JEDEC standard EDIP (Extended DIP) package, suitable for surface-mount technology (SMT) assembly processes.

Applications

The versatility of the DS1643AL-120 makes it an ideal component for a wide range of applications, including:

• Network servers and telecommunications systems
• Industrial process control and factory automation
• Utility meters and other data collection devices
• Point-of-sale (POS) terminals
• Medical equipment

With the DS1643AL-120, Maxim Integrated continues to provide reliable and innovative solutions for maintaining accurate time and secure data in mission-critical applications. Its robust design and integrated features make it a smart choice for designers looking to enhance their systems with nonvolatile memory and real-time clock capabilities.