DS28E84Q+U

The DS28E84Q+U is a secure coprocessor designed by Maxim Integrated, now part of Analog Devices. It provides robust cryptographic functions to enhance the security of devices, particularly in applications requiring strong authentication and secure data exchanges. The chip integrates asymmetric (ECC-P256) and symmetric (SHA-256) cryptographic engines, supporting secure boot and firmware validation processes.
Key features include a unique 64-bit ROM ID for device authentication, secure key storage, and an I2C communication interface, which allows for easy integration with various host systems. The DS28E84Q+U is particularly useful in IoT devices, medical equipment, and industrial systems where secure communications and data integrity are critical.
Additionally, it simplifies the implementation of secure algorithm processes with minimal impact on the host processor's resources. The module is encapsulated in a compact package, making it suitable for space-constrained applications. Its low power consumption and robust security features make it an optimal choice for enhancing the overall security infrastructure of electronic products.

The DS28E84Q+U is a cryptographic coprocessor with secure key storage from Maxim Integrated (now part of Analog Devices). Equivalent products include:
1. ATECC608A by Microchip Technology - A secure element with cryptographic functions.
2. TPM SLB 9670 by Infineon - A Trusted Platform Module for secure operations.
3. STSAFE-A100 by STMicroelectronics - A secure element for authentication and data protection.
These products may offer varying features, so it’s important to compare their specifications and intended use cases.

The DS28E84Q+U is a cryptographic coprocessor with a secure storage feature designed to enhance the security of embedded systems. It provides various security functions including:
1. Secure Authentication: It utilizes ECDSA (Elliptic Curve Digital Signature Algorithm) for secure authentication processes, ensuring the identity of communicating devices.
2. Secure Storage: The device offers 4 Kbits of secure EEPROM storage for sensitive data, such as cryptographic keys and user data.
3. I2C Interface: The DS28E84 features a standard I2C interface for easy integration with a wide range of microcontrollers and systems.
4. SHA-256: It supports SHA-256 hashing for data integrity verification and secure communication protocols.
5. Tamper Detection: Built-in tamper detection mechanisms help protect against unauthorized physical access.
6. Low Power: Designed for low-power applications, making it suitable for battery-operated devices.
7. Wide Temperature Range: Operates effectively across a broad temperature range, ensuring reliability in various environmental conditions.
Overall, the DS28E84Q+U is ideal for applications that require enhanced security, such as IoT devices, medical equipment, and industrial systems.

The DS28E84Q+U is a secure authenticator device from Maxim Integrated, designed for cryptographic authentication and secure data storage. It features a 6-pin package with the following pin functions:
1. DQ (Data Input/Output): This pin serves as a communication line for the 1-Wire interface, allowing data exchange between the device and the host.
2. VCC (Power Supply): This pin provides the necessary power for the device to operate.
3. GND (Ground): This pin connects to the system ground to complete the power circuit.
4. RST (Reset): This pin is used to reset the device, ensuring it starts in a known state.
5. NC (No Connect): This pin is typically not connected internally and may be left unconnected.
6. NC (No Connect): Similar to the other NC pin, this is also not connected internally and can be left unconnected.
The DS28E84Q+U is used for authentication applications, offering features like ECDSA (Elliptic Curve Digital Signature Algorithm) for secure verification and communication.

The DS28E84Q+U is manufactured by Maxim Integrated, a company that specializes in the design and manufacture of analog and mixed-signal integrated circuits. Founded in 1983, Maxim Integrated provides a wide range of products for industries including communications, automotive, industrial, healthcare, and consumer electronics. The company is known for its innovation in power management, analog signal processing, and security solutions.
Maxim Integrated was acquired by Analog Devices, Inc. (ADI) in August 2021, further expanding ADI's portfolio in the semiconductor industry. Analog Devices is a leading global high-performance technology company that designs, manufactures, and markets a broad range of integrated circuits used in all types of electronic equipment.

The DS28E84Q+U is a secure authenticator used in applications requiring robust security and authentication. Key application areas include:
1. Medical Devices: Ensures only authorized usage and prevents counterfeit accessories.
2. IoT Devices: Provides secure authentication to protect data and device integrity.
3. Access Control Systems: Enhances security by authenticating users and devices.
4. Consumer Electronics: Prevents unauthorized use and ensures original equipment.
5. Industrial Systems: Safeguards against unauthorized access and tampering.
6. Automotive: Protects communication and components from unauthorized access.
These applications benefit from the DS28E84Q+U's cryptographic features, which include secure storage and challenge-response authentication.

The DS28E84Q+U is packaged in a compact 6-pin TDFN (Thin Dual Flat No Leads) package. This design facilitates easy integration in space-constrained applications.