DS1302SN+ - English Editing Encyclopedia Entry

Product Overview

Category

The DS1302SN+ belongs to the category of real-time clock (RTC) modules.

Use

This module is primarily used for timekeeping and time-related functions in electronic devices.

Characteristics

• The DS1302SN+ offers accurate timekeeping with low power consumption.
• It has a built-in trickle charger, which allows it to operate using a backup power source.
• The module supports both 12-hour and 24-hour time formats.
• It provides a wide operating voltage range, making it compatible with various electronic systems.

Package

The DS1302SN+ is available in a compact surface-mount package.

Essence

The essence of the DS1302SN+ lies in its ability to provide reliable and precise timekeeping functionality to electronic devices.

Packaging/Quantity

The module is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Operating Voltage: 2.0V to 5.5V
• Timekeeping Accuracy: ±2 minutes per month at 25°C
• Clock Frequency: 31.25 kHz
• Data Retention: Over 10 years
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The DS1302SN+ features the following pin configuration:

1. VCC - Power supply voltage
2. GND - Ground connection
3. CLK - Clock input/output
4. RST - Reset input
5. DAT - Bidirectional data input/output

Functional Features

• Real-time clock with seconds, minutes, hours, day, date, month, and year information.
• Battery backup support for uninterrupted timekeeping during power loss.
• Trickle charger for recharging the backup battery.
• Simple interface for easy integration into electronic systems.
• Low power consumption for extended battery life.

Advantages and Disadvantages

Advantages

• Accurate timekeeping with low power consumption.
• Wide operating voltage range allows compatibility with various systems.
• Battery backup ensures uninterrupted timekeeping during power outages.
• Simple interface facilitates easy integration into electronic devices.

Disadvantages

• Limited memory capacity for storing additional data.
• Lack of advanced features compared to more sophisticated RTC modules.

Working Principles

The DS1302SN+ operates by utilizing an external 32.768 kHz crystal oscillator to generate clock signals. It keeps track of time using a counter that increments every second. The module communicates with the host microcontroller through a simple bidirectional data bus.

Detailed Application Field Plans

The DS1302SN+ finds applications in various electronic devices, including but not limited to: - Digital clocks and watches - Embedded systems - Data loggers - Home automation systems - Industrial control systems

Detailed and Complete Alternative Models

1. DS3231 - A more advanced real-time clock module with higher accuracy and additional features.
2. PCF8563 - Another popular real-time clock module with integrated temperature compensation and alarm functions.
3. MCP7940N - A highly accurate real-time clock module with battery backup and I2C interface.

These alternative models offer different features and specifications, providing options based on specific requirements.

In conclusion, the DS1302SN+ is a reliable real-time clock module that offers accurate timekeeping and low power consumption. Its compact package and wide operating voltage range make it suitable for various electronic systems. While it may lack advanced features, it serves as a cost-effective solution for basic timekeeping needs.