The DS1501WE/T&R is a high-quality, full-function, year-2000-compliant (Y2K-compliant) watch/calendar with NV SRAM from Maxim Integrated. It is designed to meet the needs of a broad range of applications that require accurate timekeeping and a reliable memory storage solution. This device is particularly suited for use in systems that must maintain accurate time and date information even in the event of a power failure.

Key Features

• Real-Time Clock/Calendar: Tracks time in hours, minutes, and seconds. The calendar provides day, date, month, and year information and is accurate through 2100, including corrections for leap years.
• Nonvolatile (NV) SRAM: The integrated NV SRAM offers data retention without the need for a battery backup during power loss, ensuring critical data is preserved.
• Automatic Backup and Write Protection: The device automatically switches to backup power and write-protects the memory when the primary power supply falls below a predefined threshold, ensuring data integrity.
• Low Power Consumption: Designed for energy efficiency, the DS1501WE/T&R is ideal for battery-powered applications.
• Surface Mount Package: The device is available in a surface mount package, making it suitable for automated assembly processes and compact PCB layouts.
• Serial Interface: The device supports a serial interface for communication with microprocessors or microcontrollers, facilitating easy integration into existing systems.

Applications

With its robust feature set, the DS1501WE/T&R is an excellent choice for a variety of applications, including:

• Embedded systems
• Telecommunication systems
• Industrial control systems
• Utility meters
• POS terminals
• Medical devices

In summary, the DS1501WE/T&R from Maxim Integrated is a versatile and reliable component that provides precise timekeeping and secure data storage, ensuring systems continue to function accurately and efficiently even in the face of power interruptions.