DS28E25Q+U

Product Overview

Category

The DS28E25Q+U 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
• High reliability and robustness
• Compact package design
• Low power consumption

Package

The DS28E25Q+U is available in a small form factor package, which ensures easy integration into electronic devices.

Essence

The essence of DS28E25Q+U lies in its ability to provide secure authentication and communication features, enhancing the overall security of electronic systems.

Packaging/Quantity

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

Specifications

• Communication Interface: I2C
• Operating Voltage: 1.8V to 5.5V
• Temperature Range: -40°C to +85°C
• Memory Capacity: 4Kb EEPROM
• Authentication Methods: SHA-256 Challenge-Response, ECDSA
• Data Transfer Rate: Up to 100kHz (I2C)

Detailed Pin Configuration

The DS28E25Q+U 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. PIO: Programmable Input/Output pin

Functional Features

• Secure storage and retrieval of sensitive data
• Mutual authentication between the DS28E25Q+U and the host system
• Tamper detection and response mechanisms
• Unique 64-bit ROM identification number
• Flexible programmable input/output pin

Advantages and Disadvantages

Advantages

• Enhanced security through authentication and encryption
• Robust and reliable performance
• Compact size for easy integration
• Wide operating voltage range

Disadvantages

• Limited memory capacity compared to some other similar devices
• Higher cost compared to non-secure alternatives

Working Principles

The DS28E25Q+U utilizes advanced cryptographic algorithms and secure communication protocols to ensure the integrity and confidentiality of data. It employs challenge-response authentication methods, where the host system sends a challenge to the DS28E25Q+U, which responds with a calculated response based on its unique secret key. This mutual authentication process establishes a secure channel between the device and the host.

Detailed Application Field Plans

The DS28E25Q+U finds applications in various fields, including but not limited to:

1. IoT (Internet of Things) devices
2. Medical equipment
3. Automotive systems
4. Industrial control systems
5. Secure payment terminals

Detailed and Complete Alternative Models

1. DS28E25-100+: Similar to DS28E25Q+U, but with extended temperature range (-40°C to +125°C).
2. DS28E25-200+: Higher memory capacity version (8Kb EEPROM) of DS28E25Q+U.
3. DS28E25-500+: Extended memory capacity version (16Kb EEPROM) of DS28E25Q+U.

These alternative models provide options for different application requirements, such as temperature range and memory capacity.

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