Analog Devices Inc./Maxim Integrated

DS1343D-33+T&R  

Real Time Clocks ICs

DS1343D-33+T&R Description

The DS1343D-33+T&R is a high-performance Real-Time Clock (RTC) and Calendar IC designed for precision timekeeping in a variety of electronic applications. Manufactured by Analog Devices Inc./Maxim Integrated, this device offers robust features and reliable performance, making it an ideal choice for applications requiring accurate timekeeping and non-volatile data storage.

This RTC IC features a 96-byte NVRAM, providing ample space for storing critical data that must be retained even when power is lost. The DS1343D-33+T&R operates over a wide supply voltage range of 3V to 5.5V, ensuring compatibility with various power sources. Additionally, it supports a battery supply voltage range of 1.3V to 5.5V, enhancing its reliability in systems with backup power requirements.

The device is designed for surface-mount applications, packaged in a 14-TDFN format and available in tape and reel (TR) for convenient handling and assembly. With a maximum timekeeping current of 120µA to 160µA at 3.63V to 5.5V, the DS1343D-33+T&R ensures low power consumption, making it suitable for battery-operated devices.

DS1343D-33+T&R Features

The DS1343D-33+T&R boasts several advanced features that set it apart from similar RTC ICs:

• Alarm Functionality: The integrated alarm feature allows for precise scheduling and wake-up capabilities, enhancing the functionality of embedded systems.
• Leap Year Compensation: This feature ensures accurate timekeeping over extended periods, automatically adjusting for leap years.
• Square Wave Output: The square wave output can be used for clocking other devices or generating timing signals.
• Trickle Charger: The built-in trickle charger supports battery backup, ensuring continuous operation even in the event of main power loss.
• SPI Interface: The DS1343D-33+T&R communicates via the SPI interface, providing a straightforward and efficient means of data transfer with microcontrollers and other systems.

DS1343D-33+T&R Applications

The DS1343D-33+T&R is well-suited for a wide range of applications where precise timekeeping and reliable data storage are essential:

• Consumer Electronics: Ideal for devices such as digital cameras, media players, and smart home appliances that require accurate timekeeping and data retention.
• Industrial Systems: Suitable for industrial control systems, where precise timing and data logging are critical for process control and monitoring.
• Medical Devices: The DS1343D-33+T&R can be used in medical equipment for logging events and maintaining accurate time records, crucial for compliance and patient care.
• Automotive Applications: In automotive systems, this RTC IC can be used for event logging, maintenance scheduling, and other time-sensitive functions.

Conclusion of DS1343D-33+T&R

The DS1343D-33+T&R is a versatile and reliable RTC IC that offers a comprehensive set of features tailored for precision timekeeping and data storage. Its wide operating voltage range, low power consumption, and robust features such as alarm functionality, leap year compensation, and a built-in trickle charger make it an excellent choice for a variety of applications. The SPI interface and surface-mount packaging further enhance its suitability for modern electronic designs. Whether in consumer electronics, industrial systems, medical devices, or automotive applications, the DS1343D-33+T&R provides a reliable and efficient solution for accurate timekeeping and data retention.

DS1343D-33+T&R Documents

Download datasheets and manufacturer documentation for DS1343D-33+T&R

Datasheets :

DS1343,44      

Other Related Documents :

Tips for Writing Bulletproof Real-Time Clock Control Code      

Application Notes :

Estimating Super Capacitor Backup Time on Trickle-Charger Real-Time Clocks       Selecting a Backup Source for Real-Time Clocks       Oscillator Design Considerations for Low-Current Applications       State Machine Logic in Binary-Coded Decimal (BCD)-Formatted Real-Time Clocks      

Environmental Information :

Maxim Integrated RoHS Cert       Maxim Integrated REACH       Material Declaration DS1343D-33+T&R