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DS28E25Q+T
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DS28E25Q+T

Product Overview

Category

The DS28E25Q+T 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
  • High reliability and robustness
  • Compact package size
  • Low power consumption

Package

The DS28E25Q+T is available in a small surface-mount package, which ensures easy integration into electronic devices.

Essence

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

Packaging/Quantity

The DS28E25Q+T 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
  • Temperature range: -40°C to +85°C
  • Memory capacity: 4Kb EEPROM
  • Authentication protocols: SHA-256, ECDSA
  • Data transfer rate: Up to 400kbps

Detailed Pin Configuration

The DS28E25Q+T 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 data
  • Mutual authentication between the DS28E25Q+T and the host system
  • Tamper detection and response mechanisms
  • Unique 64-bit ROM identification number for device identification
  • Flexible memory partitioning for different application requirements

Advantages and Disadvantages

Advantages

  • High level of security and authentication features
  • Compact package size for easy integration
  • Wide operating voltage range
  • Robust and reliable performance
  • Flexible memory partitioning options

Disadvantages

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

Working Principles

The DS28E25Q+T utilizes advanced cryptographic algorithms and secure protocols to ensure secure communication and authentication. It employs a combination of SHA-256 hashing and ECDSA (Elliptic Curve Digital Signature Algorithm) for secure data transfer and verification.

Detailed Application Field Plans

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

  1. IoT (Internet of Things) devices
  2. Automotive electronics
  3. Medical equipment
  4. Industrial control systems
  5. Smart home appliances

In these applications, the DS28E25Q+T provides secure authentication and communication capabilities, safeguarding sensitive data and ensuring the integrity of the system.

Detailed and Complete Alternative Models

  1. DS28E25-100+: Similar to DS28E25Q+T, but with extended temperature range (-40°C to +125°C).
  2. DS28E25-200+: Higher memory capacity version with 8Kb EEPROM.
  3. DS28E25-500+: Enhanced security variant with additional encryption algorithms.

These alternative models offer different specifications and features to cater to specific application requirements.

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Texniki həllərdə DS28E25Q+T tətbiqi ilə bağlı 10 ümumi sual və cavabı sadalayın

Sure! Here are 10 common questions and answers related to the application of DS28E25Q+T in technical solutions:

  1. Question: What is DS28E25Q+T?
    Answer: DS28E25Q+T is a 1-Wire EEPROM (Electrically Erasable Programmable Read-Only Memory) device with a unique 64-bit serial number.

  2. Question: What is the purpose of DS28E25Q+T in technical solutions?
    Answer: DS28E25Q+T is commonly used for secure authentication, data logging, and identification purposes in various technical solutions.

  3. Question: How does DS28E25Q+T provide secure authentication?
    Answer: DS28E25Q+T uses a challenge-response authentication protocol, where it generates a response based on a secret key stored internally. This ensures secure communication between the device and the host system.

  4. Question: Can DS28E25Q+T be used for data logging applications?
    Answer: Yes, DS28E25Q+T has a non-volatile memory that can store up to 4096 bits of user data, making it suitable for data logging applications.

  5. Question: How can DS28E25Q+T be integrated into a technical solution?
    Answer: DS28E25Q+T can be easily integrated using its 1-Wire interface, which requires only a single data line and a ground connection.

  6. Question: Is DS28E25Q+T compatible with different microcontrollers or systems?
    Answer: Yes, DS28E25Q+T is compatible with a wide range of microcontrollers and systems that support the 1-Wire protocol.

  7. Question: Can multiple DS28E25Q+T devices be connected together in a network?
    Answer: Yes, multiple DS28E25Q+T devices can be connected in a 1-Wire network, allowing for easy scalability and expansion.

  8. Question: What is the maximum communication distance supported by DS28E25Q+T?
    Answer: DS28E25Q+T supports communication distances of up to 100 meters, making it suitable for applications that require long-distance connectivity.

  9. Question: Does DS28E25Q+T have any built-in security features?
    Answer: Yes, DS28E25Q+T has several built-in security features, including a unique 64-bit serial number, a secret key for authentication, and tamper detection capabilities.

  10. Question: Can DS28E25Q+T operate in harsh environments?
    Answer: Yes, DS28E25Q+T is designed to operate in a wide temperature range (-40°C to +85°C) and is resistant to moisture and dust, making it suitable for harsh environments.

Please note that these questions and answers are general and may vary depending on specific application requirements.