Maxim Integrated DS1302Z Real-Time Clock

The DS1302Z is a versatile real-time clock (RTC) module from Maxim Integrated, designed to provide a comprehensive timekeeping solution for a wide range of applications. This compact, low-power device is capable of tracking seconds, minutes, hours, days, dates, months, and years with high precision and accuracy.

Key Features

• Trickle-Charge Timekeeping Chip: This feature allows the DS1302Z to maintain accurate timekeeping while consuming minimal power, making it suitable for battery-powered applications.
• Serial Interface: The device operates through a simple serial interface, which ensures easy communication with microcontrollers and other digital systems.
• Low Power Consumption: Designed for power-sensitive applications, the DS1302Z operates on less than 300nA in battery-backup mode with an oscillator running.
• Automatic Power-Fail Detect: The integrated power-fail detect and switch circuitry automatically switches to the backup supply when main power is interrupted, ensuring continuous timekeeping.
• Programmable Trickle Charger: The onboard trickle charger can be programmed to charge a backup battery, ensuring long-term reliability and operation.

Applications

The DS1302Z is ideal for a variety of applications that require reliable timekeeping, such as:

• Embedded systems
• Consumer electronics
• Office automation
• Industrial control systems
• Data loggers

Technical Specifications

The device supports a wide operating voltage range from 2.0V to 5.5V, which allows it to be used in both 3V and 5V systems. The DS1302Z is housed in a small 8-pin SOP (Small Outline Package), which is ideal for space-constrained applications.

In summary, the DS1302Z from Maxim Integrated is a robust and reliable RTC module that offers a multitude of features for precise timekeeping in a variety of electronic devices. Its low power consumption, serial interface, and programmable trickle charge capability make it an excellent choice for designers looking for a cost-effective and efficient timekeeping solution.