The DS17287-5 from Maxim Integrated is a highly versatile, integrated real-time clock (RTC) module that offers a wide array of features for timekeeping and memory backup applications. This advanced IC is designed to provide precision timing, extend battery life, and ensure data integrity during power loss, making it an ideal solution for embedded systems, industrial control, and communication equipment.

Key Features

• Integrated Power Management: The DS17287-5 includes an embedded battery input and a switch-over circuit, ensuring seamless transition to backup power in the event of a primary power failure.
• Accurate Timekeeping: It maintains accurate time and date information, with automatic leap year compensation up to the year 2100, ensuring long-term reliability without the need for manual adjustments.
• Memory Backup: The device comes with an auxiliary 114-byte, nonvolatile (NV) RAM that is battery-backed, preserving critical data during power loss.
• Programmable Alarm: A programmable alarm function enables users to set up time-based alerts, which can be used to trigger events or wake-up signals for microcontrollers.
• Watchdog Timer: The built-in watchdog timer provides system reliability by resetting the system in case of a lock-up, enhancing overall system stability.

Applications

• Embedded Systems
• Industrial Control Systems
• Networking Equipment
• POS Terminals
• Telecommunication Systems

Technical Specifications

• Voltage Supply: The DS17287-5 operates at a supply voltage range of 4.5V to 5.5V.
• Package: Available in a 24-pin EDIP (300 mil) or SOIC (300 mil) package, it is suitable for surface mount technology (SMT) and through-hole PCB designs.
• Temperature Range: This RTC module is designed to function reliably over an industrial temperature range of -40°C to +85°C.

With its robust feature set and reliable performance, the DS17287-5 RTC module from Maxim Integrated is an excellent choice for designers looking to enhance their systems with efficient power management and precise timekeeping capabilities.