Analog Devices Inc./Maxim Integrated

DS1343D-18+T&R  

Real Time Clocks ICs

DS1343D-18+T&R Description

The DS1343D-18+T&R is a highly integrated Real-Time Clock (RTC) and calendar IC designed by Analog Devices Inc./Maxim Integrated. This component is part of the Clock/Timing ICs category and offers a comprehensive set of features tailored for precise timekeeping and data storage applications. The DS1343D-18+T&R is housed in a 14-TDFN package and is available in tape and reel (TR) format, making it suitable for surface-mount assembly processes.

This RTC IC operates over a wide supply voltage range of 1.71V to 5.5V, ensuring compatibility with various power supply configurations. Additionally, it supports a battery supply voltage range of 1.3V to 5.5V, making it ideal for applications requiring backup power. The DS1343D-18+T&R is equipped with 96 bytes of non-volatile RAM (NVRAM), providing ample space for data storage without the need for an external memory chip.

DS1343D-18+T&R Features

The DS1343D-18+T&R boasts several advanced features that set it apart from other RTC ICs in the market:

• Alarm Functionality: The DS1343D-18+T&R includes an alarm feature that can be programmed to trigger at specific times, making it ideal for applications requiring precise scheduling and timing.
• Leap Year Calculation: This IC automatically accounts for leap years, ensuring accurate date calculations over extended periods.
• Square Wave Output: The DS1343D-18+T&R provides a square wave output, which can be used for clock synchronization and other timing-related tasks.
• Trickle Charger: The integrated trickle charger allows for the charging of backup batteries, ensuring continuous operation even in the event of a main power failure.
• SPI Interface: The DS1343D-18+T&R communicates via the SPI interface, enabling easy integration with microcontrollers and other digital systems.

DS1343D-18+T&R Applications

The DS1343D-18+T&R is well-suited for a variety of applications where precise timekeeping and reliable data storage are critical:

• Consumer Electronics: Ideal for devices such as digital clocks, home automation systems, and smart appliances that require accurate timekeeping and data logging.
• Industrial Control Systems: Suitable for industrial applications where precise scheduling and data recording are essential, such as in manufacturing plants and process control systems.
• Medical Devices: Can be used in medical equipment for logging patient data and monitoring device operation times.
• Automotive Systems: Useful in automotive applications for time-stamping events and storing critical data for diagnostics and maintenance.

Conclusion of DS1343D-18+T&R

The DS1343D-18+T&R is a versatile and reliable RTC IC that offers a comprehensive set of features for precise timekeeping and data storage. Its wide supply voltage range, integrated NVRAM, and advanced features such as alarm functionality and leap year calculation make it an excellent choice for a variety of applications. Despite being marked as obsolete, the DS1343D-18+T&R remains a robust solution for applications requiring accurate and reliable timekeeping.

DS1343D-18+T&R Documents

Download datasheets and manufacturer documentation for DS1343D-18+T&R