SPARKFUN DS3234 Real-Time Clock Breakout Board

The SPARKFUN DS3234 DeadOn Real-Time Clock (RTC) Breakout Board is a compact and highly accurate solution for timekeeping in your electronic projects. Based on the DS3234 RTC IC, this breakout board integrates a temperature-compensated crystal oscillator (TCXO) and crystal, ensuring exceptional precision with an accuracy of ±2ppm.

Suitable for both 12-hour (AM/PM) and 24-hour formats, this RTC maintains seconds, minutes, hours, day, month, and year information, automatically adjusting for leap years and months with fewer than 31 days. With accurate calendar functionality up to the year 2100, it's perfect for long-term applications.

Key Features

• High Precision: ±2ppm accuracy with temperature compensation.
• Low Power Consumption: Efficient operation for prolonged use.
• Battery Backup Support: Includes a 12mm coin cell holder (coin cell not included) for uninterrupted timekeeping during power loss.
• Programmable Alarms & Outputs: Two alarms and a square-wave output for versatile timing applications.

Applications

• Embedded systems
• IoT devices
• Digital clocks
• Logging applications
• Automation projects

Specifications

• Accuracy: ±2ppm
• Communication Interface: SPI bus
• Power Consumption: Low power (<25µA for battery backup)
• Battery Backup: 12mm coin cell holder (not included)
• Formats: 12-hour (AM/PM) and 24-hour modes
• Year Range: Up to 2100

This breakout board is ideal for developers seeking reliable, accurate timekeeping in a compact, easy-to-use format.