DS28EL35QA-742+2TW

The DS28EL35QA-742+2TW is a secure authentication IC designed to enhance security in electronic devices and systems. It features a 1-Wire interface, allowing for communication over a single data line, which simplifies connectivity and reduces wiring complexity. The device provides robust cryptographic capabilities, including a 256-bit SHA-256 engine, to ensure data integrity and secure authentication processes.
This IC is commonly used in applications requiring secure communication, such as in IoT devices, accessory authentication, and secure firmware updates. It offers a unique 64-bit ROM ID that can be used as a unique identifier for individual devices, making it useful for inventory management and anti-counterfeiting measures.
Additionally, the DS28EL35QA-742+2TW supports challenge-and-response authentication protocol, making it suitable for environments where data security is critical. It can operate over a wide voltage range, providing flexibility for different power supply conditions. This IC is typically packaged for easy integration into various electronic designs, offering a reliable and efficient solution for enhancing the security of digital systems.

The DS28EL35QA-742+ is a 1-Wire secure authenticator chip produced by Maxim Integrated, now part of Analog Devices. Equivalent products with similar functionality include:
1. Microchip ATECC608A - A secure element for authentication and secure key storage.
2. Infineon OPTIGA Trust M - Provides authentication and secure connection options.
3. NXP A1006 - A secure authenticator with advanced encryption protocols.
These products offer comparable security features and are used for authentication applications.

The DS28EL35QA-742+2TW is a cryptographic solution designed for secure authentication and data protection. Key features include:
1. Secure Authentication and Encryption: Utilizes SHA-256 for strong cryptographic operations, ensuring secure authentication processes.
2. Unique 64-Bit ROM ID: Guarantees a unique identity for each device, enabling precise tracking and authentication.
3. EEPROM Memory: Offers 512 bits of user memory for secure data storage, with write protection options.
4. Single-Contact Communication: Employs a 1-Wire interface, simplifying the connection and reducing the number of required pins.
5. Robust Security Protocols: Supports challenge-and-response authentication to protect against unauthorized access.
6. Wide Operating Range: Functions effectively across a broad range of temperatures and supply voltages.
7. Compact Package: Available in a small, easy-to-integrate package, ideal for space-constrained applications.
8. High Durability: Offers a high write/erase cycle endurance and data retention capability, ensuring reliability over time.
These features make the DS28EL35QA-742+2TW suitable for applications demanding high security, such as device authentication, secure data transfer, and access control systems.

The DS28EL35QA-742+2TW, produced by Maxim Integrated, is a 1-Wire device that features tamper protection, authentication, and secure memory. It typically comes in a 6-pin TSOC (Thin Small Outline Package). The primary functions of the DS28EL35 include:
1. Secure Authentication: Provides SHA-256-based challenge-and-response authentication to ensure the integrity and authenticity of the device.
2. EEPROM Memory: Offers secure storage of data with customizable user memory areas that can be protected against unauthorized access.
3. Tamper Detection: Includes features to detect and respond to physical tampering attempts, enhancing security against unauthorized access.
4. One-Wire Communication: Utilizes a 1-Wire communication interface, allowing for simple connectivity with minimal pin usage.
5. Unique ROM ID: Each device contains a unique 64-bit ROM ID that ensures a unique identity in the system for secure operations.
The DS28EL35 is designed for applications requiring secure authentication and data integrity, making it suitable for use in environments where security is a critical concern.

The DS28EL35QA-742+2TW is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for designing, manufacturing, and selling analog and mixed-signal integrated circuits. These products are used in a broad range of electronic devices, providing essential functions like signal processing, power management, and interfacing for various applications. As part of Analog Devices, the company continues to focus on delivering innovative solutions for an array of industries, including communications, consumer electronics, automotive, and industrial sectors.

The DS28EL35QA-742+2TW is a secure authenticator device used primarily in applications requiring authentication and secure data transfer. It is commonly employed in areas such as:
1. Secure Authentication: Ensuring device authenticity in applications such as printer cartridges and consumables.
2. Data Protection: Providing secure data exchange in IoT devices.
3. Access Control: Secure access in systems that require user verification.
4. Asset Management: Managing and monitoring assets securely in industrial environments.
5. Medical Devices: Ensuring secure operation and data integrity in medical devices.
Its secure features help prevent counterfeiting and unauthorized access, making it ideal for applications where security is critical.

The DS28EL35QA-742+2TW typically comes in a small-outline package designed for electronic devices. It is a secure authenticator with 1-Wire communication, featuring a unique 64-bit ROM ID and SHA-256 encryption. The package type is often specified as TDFN (Thin Dual Flat No-Lead) which is compact and suitable for space-constrained applications.