DS28E25P+ - English Editing Encyclopedia Entry

Product Overview

Category

The DS28E25P+ belongs to the category of electronic components.

Use

It is primarily used for secure authentication and communication purposes in various electronic systems.

Characteristics

• Secure authentication and communication capabilities
• Robust and reliable performance
• Compact package size
• Low power consumption

Package

The DS28E25P+ is available in a small form factor package, suitable for integration into different electronic devices.

Essence

The essence of DS28E25P+ lies in its ability to provide secure authentication and communication features, ensuring data integrity and confidentiality.

Packaging/Quantity

The DS28E25P+ is typically packaged in reels or trays, with varying quantities depending on customer requirements.

Specifications

• Operating Voltage: 2.8V to 5.5V
• Communication Interface: I2C
• Temperature Range: -40°C to +85°C
• Memory Capacity: 4Kb EEPROM
• Authentication Methods: SHA-256 Challenge-Response, ECDSA Public Key Signatures

Detailed Pin Configuration

The DS28E25P+ has the following pin configuration:

1. VCC - Power supply input
2. GND - Ground connection
3. SDA - I2C data line
4. SCL - I2C clock line
5. RST - Reset pin
6. NC - No connection

Functional Features

• Secure storage and retrieval of sensitive information
• Mutual authentication between the DS28E25P+ and the host system
• Tamper detection and response mechanisms
• Flexible configuration options
• Low-power operation mode

Advantages and Disadvantages

Advantages

• High level of security for authentication and communication
• Small package size allows for easy integration into various systems
• Wide operating voltage range enables compatibility with different power sources
• Robust performance in harsh environmental conditions

Disadvantages

• Limited memory capacity compared to other similar devices
• Relatively higher cost compared to non-secure alternatives

Working Principles

The DS28E25P+ utilizes advanced cryptographic algorithms and secure protocols to ensure secure authentication and communication. It employs a challenge-response mechanism using SHA-256 hashing and ECDSA public key signatures for mutual authentication between the device and the host system.

Detailed Application Field Plans

The DS28E25P+ finds applications in various fields, including but not limited to:

1. IoT (Internet of Things) devices
2. Embedded systems
3. Medical devices
4. Automotive electronics
5. Industrial control systems

Detailed and Complete Alternative Models

1. DS28E25P: Similar to DS28E25P+, but without the "+" designation.
2. DS28E15: Lower-capacity version with 1Kb EEPROM.
3. DS28E05: Entry-level model with basic authentication features.

These alternative models provide varying levels of functionality and memory capacity, catering to different application requirements.

In conclusion, the DS28E25P+ is a compact electronic component that offers secure authentication and communication capabilities. Its robust performance, small package size, and wide operating voltage range make it suitable for integration into various electronic systems. However, it has limited memory capacity and a relatively higher cost compared to non-secure alternatives. The DS28E25P+ finds applications in diverse fields such as IoT, embedded systems, medical devices, automotive electronics, and industrial control systems. Alternative models like DS28E25P, DS28E15, and DS28E05 offer different functionality and memory capacities to meet specific application needs.