DS14285N+ - English Editing Encyclopedia Entry

Product Overview

Category

The DS14285N+ belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for real-time clock (RTC) applications.

Characteristics

• The DS14285N+ is a highly accurate and reliable RTC IC.
• It offers low power consumption, making it suitable for battery-powered devices.
• This IC provides precise timekeeping and calendar functions.
• It has a wide operating temperature range, ensuring its usability in various environments.

Package

The DS14285N+ is available in a compact and durable package, designed to protect the IC from external factors such as moisture and physical damage.

Essence

The essence of the DS14285N+ lies in its ability to accurately keep track of time and date, making it an essential component for time-sensitive applications.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each containing a specific quantity of DS14285N+ ICs. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Supply Voltage: 2.7V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Timekeeping Accuracy: ±2 minutes per month
• Battery Backup Voltage: 2.0V to 5.5V
• Interface: I2C

Detailed Pin Configuration

The DS14285N+ features a standard pin configuration, as follows:

1. VCC - Power supply input
2. GND - Ground connection
3. SDA - Serial data line for I2C communication
4. SCL - Serial clock line for I2C communication
5. SQW/OUT - Square wave output or interrupt output
6. RST - Reset input
7. X1 - Crystal oscillator input
8. X2 - Crystal oscillator output
9. VBAT - Battery backup input

Functional Features

• Real-time clock with calendar functions
• Alarm and interrupt capabilities
• Power management features for low power consumption
• Oscillator compensation for accurate timekeeping
• Battery backup support for uninterrupted operation during power loss

Advantages and Disadvantages

Advantages

• High accuracy in timekeeping
• Low power consumption
• Wide operating temperature range
• Compact and durable package

Disadvantages

• Limited timekeeping accuracy compared to more advanced RTC ICs
• Requires an external crystal oscillator for operation

Working Principles

The DS14285N+ utilizes an internal oscillator circuit along with an external crystal oscillator to maintain accurate timekeeping. It operates by counting the oscillations of the crystal, converting them into seconds, minutes, hours, days, months, and years.

Detailed Application Field Plans

The DS14285N+ is widely used in various applications that require precise timekeeping and calendar functions. Some common application fields include:

1. Consumer Electronics: Used in digital watches, clocks, and timers.
2. Industrial Automation: Integrated into programmable logic controllers (PLCs) for accurate time synchronization.
3. Automotive: Incorporated into vehicle dashboard displays and infotainment systems.
4. Medical Devices: Utilized in medical equipment that requires accurate time tracking, such as patient monitors and infusion pumps.

Detailed and Complete Alternative Models

• DS3231: A highly accurate RTC IC with temperature compensation and alarm features.
• PCF8563: An I2C-bus RTC IC with integrated timer and alarm functions.
• MCP7940N: A low-power RTC IC with battery backup and timestamp capabilities.

Note: This list is not exhaustive and there are several other alternative models available in the market.

In conclusion, the DS14285N+ is a reliable and accurate RTC IC that finds applications in various industries. Its low power consumption, wide operating temperature range, and precise timekeeping capabilities make it a popular choice for time-sensitive devices and systems.

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