DS1742-85+ English Editing Encyclopedia Entry

Product Overview

Category

The DS1742-85+ belongs to the category of electronic components.

Use

It is primarily used for timekeeping and data storage purposes in various electronic devices.

Characteristics

• High precision timekeeping
• Non-volatile memory
• Low power consumption
• Small form factor

Package

The DS1742-85+ is available in a compact package, suitable for surface mount applications.

Essence

The essence of DS1742-85+ lies in its ability to accurately keep track of time and store data even when power is lost.

Packaging/Quantity

This product is typically packaged in reels or tubes, with varying quantities depending on the manufacturer's specifications.

Specifications

• Timekeeping accuracy: ±2 minutes per month
• Data retention: Up to 10 years
• Operating voltage: 2.7V to 5.5V
• Operating temperature range: -40°C to +85°C
• Memory capacity: 8 kilobits (1 kilobyte)

Detailed Pin Configuration

The DS1742-85+ has the following pin configuration:

1. VCC - Power supply input
2. GND - Ground connection
3. CLK - Clock input/output
4. DATA - Data input/output
5. RST - Reset input
6. CE - Chip enable input

Functional Features

• Real-time clock functionality
• Battery backup for continuous operation
• Automatic leap year compensation
• Alarm and timer functions
• Non-volatile data storage

Advantages and Disadvantages

Advantages

• Accurate timekeeping
• Compact size
• Low power consumption
• Long data retention period
• Versatile functionality

Disadvantages

• Limited memory capacity
• Requires an external battery for backup

Working Principles

The DS1742-85+ utilizes a combination of an internal clock, non-volatile memory, and a backup battery to ensure accurate timekeeping and data storage. The clock is powered by the main power supply, while the non-volatile memory retains data even when power is lost. The backup battery ensures continuous operation during power outages.

Detailed Application Field Plans

The DS1742-85+ finds applications in various fields, including:

1. Embedded systems
2. Industrial automation
3. Consumer electronics
4. Medical devices
5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the DS1742-85+ include:

1. DS3231 - Higher precision real-time clock module
2. MCP7940N - Integrated RTC with additional features
3. PCF8563 - Low-power real-time clock IC

These alternative models provide options for different requirements and specifications.

In conclusion, the DS1742-85+ is a versatile electronic component that offers accurate timekeeping and data storage capabilities. Its compact size, low power consumption, and long data retention period make it suitable for various applications across different industries.