DS2401P+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuit (IC)

Use: Identification and Authentication

Characteristics: - Small form factor - Low power consumption - High reliability - Easy integration

Package: DIP-8 (Dual In-line Package)

Essence: The DS2401P+ is a unique silicon serial number that serves as an electronic registration number for identification and authentication purposes.

Packaging/Quantity: The DS2401P+ is typically sold in reels of 250 units.

Specifications

• Operating Voltage: 2.8V to 6.0V
• Temperature Range: -40°C to +85°C
• Unique 64-bit ROM ID
• One-Wire® interface protocol
• Programmable alarm functionality
• Overdrive mode support

Detailed Pin Configuration

The DS2401P+ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | GND | Ground | | 2 | DQ | Data I/O | | 3 | VCC | Power Supply|

Functional Features

1. Unique Serial Number: Each DS2401P+ has a globally unique 64-bit ROM ID, allowing for individual device identification.
2. One-Wire Interface: The DS2401P+ utilizes the efficient and reliable One-Wire interface protocol, enabling communication with a single data line.
3. Programmable Alarm Functionality: The device supports programmable alarm conditions, triggering specific actions based on user-defined criteria.
4. Overdrive Mode Support: The DS2401P+ can operate in overdrive mode, allowing for faster data transfer rates.

Advantages and Disadvantages

Advantages: - Compact size enables easy integration into various applications. - Low power consumption prolongs battery life in portable devices. - High reliability ensures consistent performance over time.

Disadvantages: - Limited storage capacity restricts the amount of data that can be stored on the device. - Lack of additional built-in features limits its functionality compared to more advanced ICs.

Working Principles

The DS2401P+ operates by responding to commands sent via the One-Wire interface. Upon receiving a command, the device retrieves and transmits its unique 64-bit ROM ID. This ID can be used for identification and authentication purposes in various applications.

Detailed Application Field Plans

The DS2401P+ finds application in various fields, including:

1. Asset Tracking: The unique serial number allows for accurate tracking and management of assets in industries such as logistics and supply chain.
2. Access Control: The device can be used for secure access control systems, ensuring only authorized individuals gain entry.
3. Product Authentication: The DS2401P+ aids in verifying the authenticity of products, protecting against counterfeiting and fraud.
4. Electronic Toll Collection: The device can be utilized in toll collection systems, enabling efficient and reliable vehicle identification.

Detailed and Complete Alternative Models

1. DS2401: The predecessor of DS2401P+, offering similar functionality with a different package.
2. DS2402: Provides additional memory storage capabilities along with the unique serial number feature.
3. DS2408: Offers enhanced I/O capabilities, allowing for more versatile applications.

In conclusion, the DS2401P+ is a compact and reliable integrated circuit designed for identification and authentication purposes. Its unique serial number, One-Wire interface, and programmable alarm functionality make it suitable for various applications such as asset tracking, access control, and product authentication. While it has limitations in terms of storage capacity and additional features, alternative models like DS2402 and DS2408 offer more advanced functionalities for specific requirements.