Description

The DS1302 RTC Real-Time Clock Module is a high-performance timekeeping solution that integrates a real-time clock/calendar and 31-byte static RAM for data storage. Designed with a trickle-charging feature, it offers a reliable backup power system. The real-time clock provides precise information on seconds, minutes, hours, days, weeks, months, and years, with automatic leap year adjustments. With its simple 3-wire SPI interface, the DS1302 ensures seamless communication with microcontrollers, making it an excellent choice for a wide range of time-sensitive applications.

Why Choose the DS1302 RTC Module?

The DS1302 RTC module is built for precision and efficiency. Its low power consumption and trickle-charging capabilities make it a robust choice for projects that require uninterrupted timekeeping and data storage. Whether you're designing embedded systems or industrial applications, the DS1302 provides reliable performance, compact design, and flexibility for integration with various microcontrollers.

Key Features

Accurate Timekeeping: Tracks seconds, minutes, hours, days, weeks, months, and years, with leap year adjustment.
Integrated Static RAM: 31 bytes of storage for temporary data.
Simple 3-Wire SPI Interface: Facilitates easy communication with microcontrollers.
Dual Power Supply: Supports main and backup power with a CR2032 battery for uninterrupted operation.
Wide Voltage Compatibility: Operates on 2.0V to 5.5V.
Energy Efficient: Consumes less than 300nA at 2.0V.
Trickle-Charging Feature: Extends battery life with an efficient power system.
Compact Design: Measures 44mm × 23mm × 8mm with 4 mounting holes for easy installation.
Durable Components: Equipped with a 32.768kHz crystal and a high-quality IC socket.
Flexible Operating Modes: Supports both 12-hour and 24-hour formats with AM/PM indication.

Technical Specifications

Chip: DS1302 RTC
Memory: 31-byte static RAM
Interface: 3-wire SPI
Power Supply: 2.0V to 5.5V
Backup Battery: CR2032, with theoretical data retention exceeding 10 years
Crystal Frequency: 32.768kHz
Dimensions: 44mm × 23mm × 8mm
Operating Current: Less than 300nA at 2.0V
Temperature Range: 0°C to 70°C (standard), -40°C to +85°C (industrial)
Pin Package: 8-pin DIP

Applications

Embedded Systems: Accurate timekeeping for microcontroller-based projects.
Industrial Automation: Reliable time tracking for process control systems.
Data Loggers: Timestamp data for logging applications.
IoT Devices: Synchronised timekeeping for connected devices.
Home Automation: Enable smart device scheduling and time-sensitive tasks.
Alarms and Timers: Set precise alarms or countdowns with real-time accuracy.

The DS1302 RTC Real-Time Clock Module combines reliability, efficiency, and ease of integration, making it an essential component for time-sensitive applications.