DS28E07P+ - English Editing Encyclopedia Entry

Product Overview

Category

The DS28E07P+ belongs to the category of electronic components.

Use

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

Characteristics

• Secure authentication and communication capabilities
• Compact package design
• High reliability and durability
• Wide operating temperature range
• Low power consumption

Package

The DS28E07P+ is available in a small surface-mount package, ensuring easy integration into electronic devices.

Essence

The essence of DS28E07P+ lies in its ability to provide secure authentication and communication, enhancing the overall security of electronic systems.

Packaging/Quantity

The DS28E07P+ is typically packaged in reels or tubes, with a standard quantity of 2500 units per reel/tube.

Specifications

• Operating Voltage: 2.8V to 5.5V
• Communication Interface: I2C
• Operating Temperature Range: -40°C to +85°C
• Memory Capacity: 112 bytes
• Authentication Methods: SHA-256 challenge-response, unique 64-bit ROM ID

Detailed Pin Configuration

1. VDD: Power supply input
2. GND: Ground connection
3. SDA: I2C data line
4. SCL: I2C clock line
5. ALERT#: Open-drain output for alert signaling
6. NC: No connection
7. PIO: Programmable I/O pin
8. RST#: Active-low reset input

Functional Features

• Secure authentication using SHA-256 challenge-response mechanism
• Unique 64-bit ROM ID for device identification
• One-time programmable memory for storing user-defined data
• Configurable programmable I/O pin for additional functionality
• Alert signaling capability for system notifications

Advantages and Disadvantages

Advantages

• Robust security features ensure secure communication and authentication.
• Compact package design allows for easy integration into various electronic systems.
• Wide operating temperature range enables usage in extreme environments.
• Low power consumption contributes to energy efficiency.

Disadvantages

• Limited memory capacity may restrict the storage of large amounts of data.
• Requires I2C communication interface, which may not be compatible with all systems.

Working Principles

The DS28E07P+ utilizes a SHA-256 challenge-response mechanism for secure authentication. When prompted by a host system, the device generates a response based on a unique ROM ID and a secret key stored internally. This response is then verified by the host system to authenticate the DS28E07P+.

Detailed Application Field Plans

The DS28E07P+ finds applications in various fields, including: 1. IoT devices 2. Medical equipment 3. Automotive electronics 4. Industrial control systems 5. Consumer electronics

Detailed and Complete Alternative Models

1. DS28E07-100+: Similar to DS28E07P+, but with extended memory capacity of 1008 bytes.
2. DS28E07-200+: Similar to DS28E07P+, but with extended memory capacity of 2016 bytes.
3. DS28E07-400+: Similar to DS28E07P+, but with extended memory capacity of 4032 bytes.

In conclusion, the DS28E07P+ is a compact and reliable electronic component that provides secure authentication and communication capabilities. Its wide range of applications and availability of alternative models make it a versatile choice for various electronic systems.