ATECC608A-SSHCZ-B

Product Overview

Category: Integrated Circuit (IC)

Use: Security and Authentication

Characteristics: - High-security cryptographic coprocessor - Hardware-based key storage and authentication - Robust security features - Low-power consumption - Compact package size

Package: SSHCZ-B (Surface Mount)

Essence: The ATECC608A-SSHCZ-B is a highly secure cryptographic coprocessor designed for applications requiring strong security and authentication capabilities.

Packaging/Quantity: The ATECC608A-SSHCZ-B is available in surface mount packaging, with the quantity varying based on customer requirements.

Specifications

The ATECC608A-SSHCZ-B offers the following specifications:

• Cryptographic Support:

  • Elliptic Curve Cryptography (ECC)
  • Advanced Encryption Standard (AES)
  • Secure Hash Algorithm (SHA)
  • Random Number Generation (RNG)

• Memory:

  • 256-bit EEPROM for keys and certificates
  • 8KB EEPROM for general-purpose data storage

• Communication Interfaces:

  • I2C (Two-Wire Interface)
  • Single-Wire Interface (SWI)

• Operating Voltage: 1.62V to 5.5V

• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ATECC608A-SSHCZ-B has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. SDA: Serial Data Line (I2C interface)
4. SCL: Serial Clock Line (I2C interface)
5. SWI: Single-Wire Interface (optional)
6. RST: Reset pin
7. NC: No Connection

Functional Features

The ATECC608A-SSHCZ-B offers the following functional features:

1. Secure Key Storage: The device securely stores cryptographic keys, preventing unauthorized access and tampering.
2. Authentication: It provides strong authentication capabilities, ensuring the integrity and authenticity of data and devices.
3. Secure Communication: The coprocessor enables secure communication between devices, protecting sensitive information from eavesdropping and tampering.
4. Secure Boot: It supports secure boot functionality, ensuring the integrity of the system during startup.
5. Hardware-Based Security: The coprocessor utilizes hardware-based security mechanisms, making it resistant to various attacks.

Advantages and Disadvantages

Advantages: - High level of security - Robust cryptographic capabilities - Compact package size - Low-power consumption - Flexible communication interfaces

Disadvantages: - Limited general-purpose memory (8KB EEPROM) - Requires additional components for full system integration

Working Principles

The ATECC608A-SSHCZ-B operates based on the principles of secure key storage and cryptographic algorithms. It securely stores cryptographic keys in its EEPROM memory and performs cryptographic operations using hardware-based algorithms. The coprocessor ensures the confidentiality, integrity, and authenticity of data by utilizing advanced encryption and authentication techniques.

Detailed Application Field Plans

The ATECC608A-SSHCZ-B is widely used in various applications that require high-security measures and authentication capabilities. Some of the detailed application field plans include:

1. IoT Devices: The coprocessor can be integrated into IoT devices to provide secure communication, device authentication, and secure firmware updates.
2. Smart Home Systems: It can be utilized in smart home systems to ensure secure access control, data privacy, and protection against unauthorized manipulation.
3. Industrial Automation: The coprocessor finds applications in industrial automation systems, securing critical infrastructure, and protecting against cyber threats.
4. Payment Systems: It can be employed in payment systems to enhance transaction security, prevent fraud, and protect sensitive financial information.

Detailed and Complete Alternative Models

1. ATECC508A-SSHDA-B: Similar to ATECC608A-SSHCZ-B, but with a different package type (SSHDA-B).
2. ATECC608A-MAHDA-T: Another variant of ATECC608A with a different package type (MAHDA-T).
3. ATECC608A-SSHD-T: Similar to ATECC608A-SSHCZ-B, but with a different package type (SSHD-T).

These alternative models offer similar security features and functionality, providing options for different system integration requirements.

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