The DS1678S+ from Maxim Integrated is a highly integrated, full-featured real-time clock (RTC) designed to provide precise time and date information for a wide range of applications. This RTC module incorporates a battery input, and maintains accurate timekeeping when main power to the device is interrupted. The compact surface-mount package and low power consumption make it an ideal choice for embedded systems and portable devices.

Key Features

• Accurate Timekeeping: The DS1678S+ tracks time with precision, including seconds, minutes, hours, day, date, month, and year, with leap-year compensation valid up to 2100.
• Integrated Battery Input: The device includes a battery input that maintains timekeeping and device operation with an external battery during power loss situations.
• Low Power Consumption: Designed for energy efficiency, the DS1678S+ is suitable for battery-powered applications, ensuring minimal power drain.
• Serial Interface: Equipped with an I²C-compatible serial interface, the DS1678S+ allows for easy integration into most microcontroller-based systems.
• Automatic Power-Fail Detect: The built-in power-fail detect circuitry automatically switches to the battery when a power failure is detected, ensuring uninterrupted operation.
• Surface-Mount Package: The small footprint of the surface-mount SOIC (Small Outline Integrated Circuit) package enables the DS1678S+ to fit into space-constrained applications.

Applications

The DS1678S+ is versatile and can be used in a variety of applications, including:

• Handheld devices
• Consumer electronics
• Industrial systems
• Embedded systems
• Utility meters
• Medical devices
• Telecommunication infrastructure

Technical Specifications

With a wide operating temperature range and a clock/calendar functionality that is accurate to ±1 minute/month at 25°C, the DS1678S+ is a reliable choice for maintaining time in your system. The device operates over a voltage range of 2.0V to 5.5V, and is available in a 10-pin SOIC package.