ATECC508A-SSHAW-T

Product Overview

Category

The ATECC508A-SSHAW-T belongs to the category of cryptographic co-processors.

Use

This product is primarily used for secure authentication and encryption purposes in various electronic devices.

Characteristics

• High-security level: The ATECC508A-SSHAW-T offers robust security features, ensuring protection against unauthorized access and tampering.
• Low power consumption: It operates efficiently with minimal power requirements, making it suitable for battery-powered devices.
• Compact package: The product comes in a small form factor, allowing for easy integration into different electronic systems.
• Hardware-based cryptography: It utilizes hardware-based cryptographic algorithms, enhancing the overall security of the system.

Package and Quantity

The ATECC508A-SSHAW-T is available in a surface-mount package (SSHAW) and is typically sold in reels. The exact quantity per reel may vary depending on the supplier.

Specifications

• Microcontroller: 8-bit AVR
• Memory: 8KB EEPROM
• Cryptographic Support: AES-128, SHA-256, Elliptic Curve Cryptography (ECC)
• Communication Interface: I2C
• Operating Voltage: 2.0V - 5.5V
• Temperature Range: -40°C to +85°C
• Dimensions: 3mm x 4mm

Pin Configuration

The ATECC508A-SSHAW-T has a total of 8 pins, which are assigned specific functions as follows:

1. VCC: Power supply input
2. SDA: I2C data line
3. SCL: I2C clock line
4. GND: Ground connection
5. RST: Reset pin
6. NC: No connection
7. NC: No connection
8. VCC: Power supply input

Functional Features

• Secure Authentication: The ATECC508A-SSHAW-T provides secure authentication mechanisms, ensuring only authorized entities can access the system.
• Secure Key Storage: It offers a secure storage space for cryptographic keys, protecting them from unauthorized extraction or modification.
• Hardware Acceleration: The product includes hardware acceleration for cryptographic operations, improving performance and efficiency.
• Random Number Generation: It incorporates a true random number generator (TRNG) for generating unpredictable cryptographic keys and nonces.

Advantages and Disadvantages

Advantages

• High level of security
• Low power consumption
• Compact form factor
• Hardware-based cryptography

Disadvantages

• Limited memory capacity (8KB EEPROM)
• Requires I2C communication interface support

Working Principles

The ATECC508A-SSHAW-T operates by utilizing its built-in microcontroller and cryptographic algorithms. It securely stores cryptographic keys and performs various cryptographic operations such as encryption, decryption, and digital signatures. The device communicates with the host system through the I2C interface, enabling secure authentication and data protection.

Detailed Application Field Plans

The ATECC508A-SSHAW-T finds applications in various fields that require secure authentication and encryption. Some potential application areas include:

1. IoT Devices: It can be used to secure communication between IoT devices and cloud platforms, ensuring data integrity and confidentiality.
2. Smart Home Systems: The product can provide secure access control and authentication for smart home devices, preventing unauthorized access.
3. Payment Systems: It can be integrated into payment terminals or mobile payment solutions to enhance transaction security and protect sensitive user information.
4. Industrial Automation: The ATECC508A-SSHAW-T can be utilized in industrial automation systems to ensure secure communication and prevent tampering with critical data.

Detailed Alternative Models

1. ATECC608A-MAHTN-T: This model offers enhanced memory capacity (16KB EEPROM) compared to the ATECC508A-SSHAW-T.
2. ATECC508A-MAHDA-T: It provides a different package option (MAHDA) while maintaining similar functionality to the ATECC508A-SSHAW-T.
3. ATECC508A-SSHD-T: This variant comes in a different package (SSHD) and is suitable for specific applications requiring alternative pin configurations.

These alternative models offer similar security features and functionalities, providing flexibility based on specific project requirements.

In conclusion, the ATECC508A-SSHAW-T is a cryptographic co-processor that offers high-security levels, low power consumption, and compact packaging. Its secure authentication mechanisms, hardware-based cryptography, and random number generation make it suitable for various applications requiring robust data protection. While it has some limitations in terms of memory capacity and communication interface, there are alternative models available to cater to different project needs.