DS1307Z+T&R

The DS1307Z+T&R is a real-time clock (RTC) integrated circuit (IC) manufactured by Maxim Integrated, designed for applications requiring precise timekeeping. This device is particularly useful in battery-powered systems due to its low power consumption and ability to maintain accurate time even during power outages.

Key Features:

1. Timekeeping Functionality: The DS1307Z+T&R provides a full calendar and clock functionality, including seconds, minutes, hours, day, date, month, and year. It can handle leap years automatically, making it suitable for long-term applications.

2. I2C Interface: The device communicates via an I2C (Inter-Integrated Circuit) interface, allowing easy integration with microcontrollers and other digital devices. The I2C bus supports multiple devices on the same bus, making it versatile for various applications.

3. Power Supply: The DS1307 operates on a supply voltage range of 4.5V to 5.5V, making it compatible with standard logic levels. It also features a battery backup input, allowing it to maintain timekeeping even when the main power supply is disconnected.

4. Low Power Consumption: The IC is designed for low power operation, consuming only a few microamperes in battery backup mode. This feature is crucial for portable and battery-operated devices, extending their operational life.

5. Temperature Compensation: The DS1307 includes temperature compensation to ensure accurate timekeeping across a range of temperatures, which is essential for applications in varying environmental conditions.

6. Oscillator: The device includes a built-in 32.768 kHz crystal oscillator, which is the standard frequency for RTCs. This oscillator provides the necessary clock signal for timekeeping.

7. Package Type: The DS1307Z+T&R is typically available in a small, surface-mount package, which is ideal for space-constrained applications. The "T&R" suffix indicates that the part is available in tape and reel packaging, facilitating automated assembly processes.

8. Applications: Common applications for the DS1307Z+T&R include consumer electronics, industrial equipment, automotive systems, and any device requiring accurate timekeeping, such as data loggers, alarm clocks, and timers.

Summary:

The DS1307Z+T&R from Maxim Integrated is a reliable and efficient real-time clock IC that offers essential timekeeping features, low power consumption, and easy integration through the I2C interface. Its ability to maintain accurate time across various conditions makes it a popular choice for a wide range of electronic applications.