DS1302S-16

Product Overview

Category

The DS1302S-16 belongs to the category of real-time clock (RTC) modules.

Use

It is primarily used for timekeeping and time-related functions in various electronic devices.

Characteristics

• Low power consumption
• Simple interface
• Accurate timekeeping
• Battery backup support
• Wide operating voltage range

Package

The DS1302S-16 comes in a compact and durable package, ensuring easy integration into electronic circuits.

Essence

The essence of the DS1302S-16 lies in its ability to provide accurate real-time clock functionality with minimal power consumption.

Packaging/Quantity

The module is typically packaged individually and is available in varying quantities depending on the supplier.

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 DS1302S-16 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. CLK: Clock signal input/output
4. DAT: Data signal input/output
5. RST: Reset signal input

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 backup battery
• 31 bytes of general-purpose RAM for user data storage
• Simple interface for easy integration into various microcontroller systems

Advantages and Disadvantages

Advantages

• Low power consumption extends battery life
• Accurate timekeeping ensures reliable functionality
• Simple interface simplifies integration into electronic systems

Disadvantages

• Limited RAM capacity for user data storage
• Clock accuracy may be affected by temperature variations

Working Principles

The DS1302S-16 utilizes a real-time clock chip that keeps track of time using an internal oscillator. It communicates with external microcontrollers through a simple interface, allowing them to read and set the time as required. The module also features battery backup support, ensuring uninterrupted timekeeping during power outages.

Detailed Application Field Plans

The DS1302S-16 finds applications in various fields, including:

1. Consumer Electronics: Used in digital clocks, watches, and other timekeeping devices.
2. Industrial Automation: Integrated into control systems for accurate time synchronization.
3. Automotive: Employed in car dashboard clocks and other time-related functions.
4. Internet of Things (IoT): Incorporated into IoT devices requiring precise timekeeping.

Detailed and Complete Alternative Models

1. DS3231: Offers higher timekeeping accuracy and additional features such as alarms and temperature compensation.
2. PCF8563: Provides similar timekeeping functionality with low power consumption and I2C interface compatibility.

In conclusion, the DS1302S-16 is a reliable real-time clock module that offers accurate timekeeping, low power consumption, and easy integration. Its compact package and wide operating voltage range make it suitable for various applications in consumer electronics, industrial automation, automotive, and IoT devices. While it has limited RAM capacity and may be affected by temperature variations, alternative models like DS3231 and PCF8563 offer enhanced features and performance.