ATECC108-SSHDA-T

Product Overview

Category: Integrated Circuit (IC)

Use: Security and Authentication

Characteristics: - High-security cryptographic coprocessor - Hardware-based key storage and authentication - Secure boot and secure firmware update capabilities

Package: Surface Mount Technology (SMT)

Essence: The ATECC108-SSHDA-T is a highly secure cryptographic coprocessor designed for applications that require robust security and authentication features.

Packaging/Quantity: The ATECC108-SSHDA-T is available in a compact SMT package and is typically sold in reels or trays.

Specifications

The ATECC108-SSHDA-T offers the following specifications:

• Cryptographic Algorithm Support:
  • AES-128
  • SHA-256
  • Elliptic Curve Cryptography (ECC)
• Key Storage Capacity: 16 keys
• Communication Interface: I2C
• Operating Voltage: 2.0V to 5.5V
• Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ATECC108-SSHDA-T features the following pin configuration:

1. VCC - Power supply voltage
2. GND - Ground
3. SDA - I2C data line
4. SCL - I2C clock line
5. RESET - Reset input
6. WAKE - Wake-up output
7. N/C - No connection
8. N/C - No connection

Functional Features

The ATECC108-SSHDA-T offers the following functional features:

1. Secure Key Storage: The device securely stores cryptographic keys, protecting them from unauthorized access.
2. Authentication: It provides hardware-based authentication, ensuring the integrity and authenticity of data and devices.
3. Secure Boot: The ATECC108-SSHDA-T supports secure boot functionality, preventing unauthorized firmware execution.
4. Secure Firmware Update: It enables secure over-the-air firmware updates, ensuring the integrity of the updated firmware.

Advantages and Disadvantages

Advantages: - High-security level due to hardware-based key storage - Robust authentication features - Support for secure boot and firmware updates - Compact package size suitable for space-constrained applications

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

Working Principles

The ATECC108-SSHDA-T utilizes advanced cryptographic algorithms to ensure secure key storage and authentication. It employs AES-128 encryption, SHA-256 hashing, and Elliptic Curve Cryptography (ECC) for secure operations. The device communicates with the host system using the I2C interface, enabling seamless integration into various applications.

Detailed Application Field Plans

The ATECC108-SSHDA-T finds applications in various fields that require robust security and authentication, including:

1. Internet of Things (IoT) Devices: Securing IoT devices against unauthorized access and data tampering.
2. Smart Home Systems: Ensuring the integrity and authenticity of smart home devices and data.
3. Industrial Control Systems: Protecting critical infrastructure from cyber threats and unauthorized modifications.
4. Automotive Electronics: Securing vehicle systems and preventing unauthorized access to sensitive data.

Detailed and Complete Alternative Models

1. ATECC508A-SSHDA-T: Similar to ATECC108-SSHDA-T but offers higher key storage capacity (up to 16 keys).
2. ATECC608A-SSHDA-T: Enhanced version with additional features like secure hardware-based storage for certificates and secure boot capabilities.

These alternative models provide similar security and authentication functionalities, catering to different application requirements.

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