Maxim Integrated DS1339C-3# Real-Time Clock

The DS1339C-3# from Maxim Integrated is a highly accurate, I²C real-time clock (RTC) with an integrated temperature-compensated crystal oscillator (TCXO) and crystal. This precision timekeeping device is designed to provide a comprehensive timekeeping solution for a wide array of applications, from embedded systems to industrial equipment.

The DS1339C-3# maintains seconds, minutes, hours, day, date, month, and year information, with automatic leap year compensation valid up to the year 2100. Besides its primary function of tracking time, it also provides a full binary-coded decimal (BCD) clock calendar that is accessible via a simple I²C interface.

One of the key features of this RTC is its low-power consumption, making it an ideal choice for battery-backed applications. It operates in the 2.3V to 5.5V range, ensuring compatibility with both 3V and 5V systems. The DS1339C-3# is designed to provide over 10 years of timekeeping with a standard 3V lithium coin cell, which is a testament to its efficiency and reliability.

Additional features include two programmable time-of-day alarms and a programmable square-wave output. These functionalities offer designers flexibility by allowing the RTC to be used for wake-up calls or system synchronization tasks. Furthermore, the device includes a power-fail circuit that automatically switches to the battery supply when a power failure is detected, ensuring uninterrupted timekeeping.

The DS1339C-3# comes in a compact, surface-mount package that is easy to integrate into various designs. Its robust design and reliability make it a go-to choice for engineers and designers who need a dependable timekeeping component that can perform consistently across a range of environmental conditions.

Whether you're developing consumer electronics, portable medical devices, or industrial control systems, the Maxim Integrated DS1339C-3# provides the accuracy, reliability, and versatility needed to keep your applications running on time.