DS28E35P+

The DS28E35P+ is a secure authenticator device developed by Maxim Integrated, now part of Analog Devices. It is designed to provide robust hardware-based security solutions for various applications. Key features include strong authentication and secure storage capabilities, making it ideal for use in environments where data integrity and confidentiality are critical.
The device operates using a 1-Wire interface, simplifying connectivity with minimal wiring. It incorporates cryptographic algorithms for authentication processes, ensuring secure communication between devices. The DS28E35P+ supports a unique 64-bit ROM identification number, which aids in secure device recognition.
Applications for the DS28E35P+ include anti-counterfeiting, secure data storage, and accessory or peripheral authentication in consumer electronics, medical devices, and industrial systems. Its low power consumption and compact design make it suitable for integration into a wide range of products.
Overall, the DS28E35P+ provides a secure and efficient solution for protecting sensitive information and ensuring the authenticity of connected devices and systems.

The DS28E35P+ is a 1-Wire secure authenticator with a unique 64-bit ROM ID and a SHA-256 engine. Equivalent products might include:
1. Maxim Integrated DS28E38 - Another 1-Wire secure authenticator with SHA-256.
2. Atmel (Microchip) ATSHA204A - A secure authenticator with similar cryptographic capabilities.
3. NXP A1006 - Offers secure authentication features.
Ensure compatibility with the application, as pin configuration and additional features may vary. Always verify the specs with the manufacturer for a precise match.

The DS28E35P+ is a secure authenticator IC from Maxim Integrated, designed for applications requiring strong security measures. Key features include:
1. EEPROM Memory: It provides 512 bits of user-programmable EEPROM, allowing storage of secure data.
2. SHA-256 Authentication: Utilizes a FIPS 180-4 compliant SHA-256 cryptographic engine for strong authentication processes.
3. Unique 64-bit ROM ID: Each device has a unique, factory-programmed 64-bit serial number for secure identification.
4. I2C Communication: Supports I2C communication protocol, enabling easy integration with various systems.
5. Secure Key Storage: Features secure storage for cryptographic keys, protecting them against unauthorized access.
6. Tamper Detection: Includes tamper-detection capabilities to enhance security.
7. Wide Operating Range: Operates over a 1.71V to 3.6V voltage range, suitable for various applications.
8. Low Power Consumption: Designed for energy-efficient operation, making it ideal for battery-powered devices.
9. Temperature Range: Supports an operating temperature range from -40°C to +85°C, suitable for diverse environments.
These features make the DS28E35P+ suitable for applications like secure peripherals, IoT devices, and access control systems.

The DS28E35P+ is a secure authenticator IC with a 1-Wire interface. It typically comes in a 3-pin package. The pin configuration and functions are as follows:
1. Pin 1 (GND): Ground. This pin is connected to the ground or 0V reference of the circuit.
2. Pin 2 (DQ): Data Input/Output. This is the 1-Wire interface pin used for communication between the DS28E35 and the host. It handles both data transmission and reception, allowing for the exchange of commands, challenge-response authentication, and other data.
3. Pin 3 (VCC): Power Supply. This pin is connected to the positive supply voltage required to power the device. The DS28E35 can operate over a wide voltage range.
The primary function of the DS28E35P+ is to provide cryptographic security features such as challenge-response authentication, secure memory access, and data protection, making it suitable for applications requiring device authentication and secure communication.

The DS28E35P+ is manufactured by Maxim Integrated, which is a company that specializes in designing, manufacturing, and selling analog and mixed-signal integrated circuits. Maxim Integrated provides solutions for a variety of applications, including industrial, automotive, consumer, and communications markets. The company focuses on developing high-performance semiconductor products that help solve complex engineering challenges. As of 2021, Maxim Integrated was acquired by Analog Devices, another major player in the semiconductor industry, which further expanded its product offerings and market reach.

The DS28E35P+ is primarily used in applications requiring secure authentication and anti-counterfeiting measures. Its unique features, such as ECDSA (Elliptic Curve Digital Signature Algorithm) public-key cryptography, make it ideal for safeguarding intellectual property and ensuring device integrity in embedded systems. Common application areas include secure peripherals and accessories, medical devices, consumer electronics, and industrial systems. By providing a robust mechanism for verifying the authenticity of a component or accessory, the DS28E35P+ helps prevent unauthorized use or duplication, protecting both manufacturers and consumers.

The DS28E35P+ is packaged in a TSOC (Thin Small Outline Package) configuration. Specifically, it comes in an 8-pin TSOC package, which is designed for small form factor applications.