Overview of DS1644-120

The DS1644-120 is a high-performance, integrated circuit product from Maxim Integrated, designed to provide a complete solution for real-time clock and non-volatile memory needs in a wide range of applications. This innovative device combines a full-featured real-time clock (RTC) with an embedded lithium energy source and a 32K x 8 non-volatile static RAM.

Key Features

• Real-Time Clock (RTC): The DS1644-120 maintains seconds, minutes, hours, day, date, month, and year information with automatic leap year compensation up to the year 2100. It provides a highly accurate timekeeping solution that is essential for time-critical applications.
• Non-Volatile Memory: With 32K x 8 bits of non-volatile static RAM, this device ensures data retention without the need for an external battery. The memory is directly accessible in the same manner as other static RAMs, making it easy to integrate into existing systems.
• Integrated Power Source: The DS1644-120 features a built-in power source that guarantees over 10 years of data retention and clock functionality in the absence of external power, making it highly reliable for mission-critical applications.
• Simple Integration: Designed to be directly interfaced with a microprocessor, the DS1644-120 offers a simple parallel interface for ease of integration into a variety of systems.
• Low Power Consumption: The device operates with very low power consumption, which is vital for battery-powered applications where energy efficiency is a priority.

Applications

The DS1644-120 is suitable for a diverse range of applications that require reliable timekeeping and data storage, including:

• Embedded systems
• Utility meters
• Industrial time clocks
• Point of Sale (POS) systems
• Network hardware (routers, switches, servers)

With its robust feature set and integrated design, the DS1644-120 from Maxim Integrated is an excellent choice for designers looking for a secure and convenient way to incorporate real-time clock and memory functionality into their systems.