The DS17287-3 is a high-performance, multifunctional integrated circuit from Maxim Integrated that serves as a Real-Time Clock (RTC) with an embedded microcontroller supervisor. This advanced component is designed to provide a comprehensive timing solution for complex electronic systems, while also ensuring data and device integrity during power failures or unexpected disruptions.
Key Features
- Integrated Power Control: The DS17287-3 includes an embedded battery-backed SRAM, power-fail control circuit, and a crystal oscillator, which together maintain timekeeping and data retention in the absence of external power.
- Real-Time Clock: It offers a full BCD clock/calendar with programmable alarms, ensuring precise time tracking down to seconds, minutes, hours, days, date, month, and year. The device also supports leap year correction up to the year 2100.
- Watchdog Timer: An onboard watchdog timer provides system reliability by resetting the system in case of a software lock-up, ensuring continuous operation.
- Programmable Memory: The DS17287-3 features 113 bytes of user-accessible, nonvolatile RAM, which is ideal for storing critical data that must be preserved during power loss.
- Simple Integration: With its industry-standard pin configuration, the DS17287-3 is easy to integrate into a variety of motherboard designs and other applications requiring solid timekeeping and system integrity functions.
Applications
The DS17287-3 is suitable for a wide range of applications where accurate timekeeping is crucial. It is particularly well-suited for:
- Embedded systems
- Industrial control systems
- Point-of-sale terminals
- Network servers
- Telecommunications systems
- And other applications requiring reliable timekeeping and data retention
With its robust feature set and Maxim Integrated's reputation for quality, the DS17287-3 stands out as an optimal solution for designers looking to enhance their systems with a dependable RTC and system management capabilities.