The DS1308U-3+ is a feature-rich real-time clock (RTC) from Maxim Integrated that provides a full binary-coded decimal (BCD) clock/calendar with 56 bytes of NV SRAM. This high-performance, low-power device is designed to provide precise timekeeping with minimal power consumption, making it an ideal choice for a wide range of applications including embedded systems, servers, data loggers, and portable electronics.

Key features of the DS1308U-3+ include:

• Completely Manages All Timekeeping Functions
• Real-Time Clock Counts Seconds, Minutes, Hours, Date, Month, Day, and Year with Leap-Year Compensation Valid Up to 2100
• 56-Byte, Battery-Backed, Nonvolatile (NV) RAM for Data Storage
• Two Wire Serial Interface
• Low Power Operation Extends Battery Backup Run Time
• 3.3V Operating Voltage Range
• -40°C to +85°C Operating Temperature Range
• Available in an 8-Pin µSOP Package

The DS1308U-3+ operates over a wide voltage range (3.3V) and has a built-in power-sense circuit that detects power failures and automatically switches to the backup supply, maintaining time and date operation. Its serial interface is I2C compatible and allows for easy integration into existing systems. The device's compact µSOP package makes it space-efficient for designs where board space is at a premium.

With its combination of features, the DS1308U-3+ ensures that time-sensitive applications remain accurate and reliable. Its non-volatile RAM feature offers the added benefit of preserving critical data during power loss, without the need for an external battery. Whether it's for tracking event logs, managing access systems, or synchronizing network equipment, the DS1308U-3+ provides a dependable timekeeping solution that engineers and designers can trust.

Maxim Integrated's commitment to quality and reliability is evident in the DS1308U-3+, making it a smart choice for maintaining accurate time and date in your electronic projects.