The DS1339U-3+T&R is a highly integrated real-time clock (RTC) from Maxim Integrated that offers a comprehensive timekeeping solution for a wide array of applications. This device is designed to maintain accurate time and date information, ranging from seconds to years, and is particularly suitable for systems where reliable timekeeping is critical.
Key Features
- Accurate timekeeping with a real-time clock/calendar
- Low power consumption, ideal for battery-backed applications
- Automatic leap year compensation up to the year 2100
- I²C serial interface for easy integration
- Battery backup input for continuous timekeeping
- Industrial temperature range (-40°C to +85°C)
- Time (Hours, Minutes, Seconds) and Calendar (Day, Date, Month, Year) functions
- Available in a compact 8-pin µSOP package
Applications
The DS1339U-3+T&R is versatile and can be used in various applications, including:
- Embedded systems
- Networking equipment
- Utility meters
- Industrial controllers
- Consumer electronics
Product Details
The DS1339U-3+T&R offers a simple and effective way to integrate timekeeping functionalities into your design. It communicates via an I²C interface, which is widely used and supported in most microcontrollers and processors. The device also features a battery-backup input that allows the clock to continue running even when the main power is lost, ensuring that time is always maintained accurately.
The RTC operates over an industrial temperature range, making it reliable in environments with extreme temperature variations. The automatic leap year compensation is an added convenience, eliminating the need for manual adjustments every four years.
Maxim Integrated's commitment to quality and reliability is evident in the DS1339U-3+T&R, making it a smart choice for designers looking for a dependable timekeeping solution. The device is also available in tape and reel (T&R) packaging, which facilitates efficient handling and placement during mass production.