ATECC508A-RBHCZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Security and Authentication

Characteristics: - High-security cryptographic coprocessor - Hardware-based key storage and authentication - Robust protection against physical attacks - Secure boot and secure firmware update capabilities

Package: RBHCZ-T package

Essence: The ATECC508A-RBHCZ-T is a highly secure cryptographic coprocessor designed for applications that require strong security and authentication features.

Packaging/Quantity: Available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

The ATECC508A-RBHCZ-T offers the following specifications:

• Cryptographic Algorithm Support:

  • Elliptic Curve Cryptography (ECC)
  • Advanced Encryption Standard (AES)
  • SHA-256 Hash Algorithm

• Key Storage Capacity: 16 keys

• Memory Size: 8KB EEPROM

• Operating Voltage: 2.0V to 5.5V

• Temperature Range: -40°C to +85°C

• Communication Interface: I2C

Detailed Pin Configuration

The ATECC508A-RBHCZ-T has the following pin configuration:

1. VCC: Power supply voltage input
2. SDA: Serial Data Line for I2C communication
3. SCL: Serial Clock Line for I2C communication
4. GND: Ground connection
5. RST: Reset pin for device initialization

Functional Features

The ATECC508A-RBHCZ-T offers the following functional features:

1. Secure Key Storage: The device securely stores cryptographic keys, protecting them from unauthorized access or extraction.
2. Authentication: It provides hardware-based authentication, ensuring the integrity and authenticity of connected devices or systems.
3. Secure Boot: The coprocessor supports secure boot functionality, verifying the integrity of firmware during system startup.
4. Secure Firmware Update: It enables secure over-the-air firmware updates, ensuring that only authenticated and authorized updates are applied.

Advantages and Disadvantages

Advantages: - High level of security against physical attacks - Robust key storage and authentication capabilities - Support for multiple cryptographic algorithms - Secure boot and firmware update features enhance system integrity

Disadvantages: - Limited key storage capacity (16 keys) - Requires I2C communication interface for integration

Working Principles

The ATECC508A-RBHCZ-T operates based on the principles of hardware-based security. It utilizes advanced cryptographic algorithms to securely store and manage cryptographic keys. The device employs strong protection mechanisms to resist physical attacks, such as tampering or reverse engineering. By integrating the coprocessor into a system, it enhances the overall security and integrity of the application.

Detailed Application Field Plans

The ATECC508A-RBHCZ-T is suitable for various applications that require robust security and authentication, including:

1. IoT Devices: Securing communication and data exchange between connected devices in IoT networks.
2. Smart Home Systems: Authenticating and protecting access to smart home devices and systems.
3. Industrial Control Systems: Ensuring the integrity and authenticity of critical control systems in industrial environments.
4. Payment Terminals: Securing payment transactions and preventing unauthorized access to sensitive data.

Detailed and Complete Alternative Models

1. ATECC608A-RBHCZ-T: An upgraded version with enhanced security features and increased key storage capacity.
2. ATECC508A-MAHDA-T: Similar functionality but in a different package option (MAHDA-T).

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