Maxim Integrated DS1682S Total Elapsed Time Recorder

The DS1682S from Maxim Integrated is a robust total elapsed time recorder integrated circuit, designed to provide a comprehensive solution for tracking and storing system operation time. This device is particularly suited for applications requiring precise time-keeping for maintenance, warranty, or service records, such as industrial systems, networking equipment, and consumer electronics.

At the heart of the DS1682S is an elapsed time counter (ETC) which can record up to 34 years of operation time with a resolution of 1/256 second. This high-resolution counter is backed by a self-contained oscillator and does not require any external timing components. Its built-in power-on reset (POR) ensures accurate timing from the moment of power-up.

One of the key features of the DS1682S is its nonvolatile (NV) event counter which can store up to 255 events. This is particularly useful for monitoring system occurrences, such as power cycles or other significant events, ensuring that critical data is preserved even in the absence of power. The device’s user-accessible 64-byte NV RAM allows for storage of additional data, such as a serial number or other identification information.

The DS1682S operates over a wide voltage range of 2.7V to 5.5V, making it versatile for various electronic applications. Communication with the device is facilitated via a 2-wire serial interface compatible with I²C, allowing for easy integration into existing systems. The device also features a write protect pin (WP) to prevent inadvertent changes to the ETC or event counter.

Encased in an 8-pin SO package, the DS1682S is designed for surface-mount technology, offering a compact footprint for space-constrained applications. Its industrial temperature range of -40°C to +85°C ensures reliable operation across diverse environments.

Overall, the DS1682S from Maxim Integrated is an essential component for any system where accurate time tracking is critical. Its combination of long-term time recording, event counting, and nonvolatile data storage make it a versatile and reliable choice for a wide array of applications.