ATSHA204-SH-DA-B

Product Overview

Category

ATSHA204-SH-DA-B belongs to the category of cryptographic authentication devices.

Use

It is primarily used for secure authentication and data protection in various electronic systems.

Characteristics

• Provides robust security features
• Offers high-speed cryptographic operations
• Supports multiple communication interfaces
• Low power consumption
• Compact size

Package

ATSHA204-SH-DA-B comes in a small surface-mount package, making it suitable for integration into compact electronic devices.

Essence

The essence of ATSHA204-SH-DA-B lies in its ability to provide secure authentication and protect sensitive data from unauthorized access.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 250 units per reel/tray.

Specifications

• Operating Voltage: 2.0V to 5.5V
• Communication Interfaces: I2C, Single-Wire Interface (SWI)
• Cryptographic Algorithm: SHA-256
• Key Storage Capacity: 16 keys
• Temperature Range: -40°C to +85°C
• Dimensions: 3mm x 2mm

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. SDA: I2C data line
4. SCL: I2C clock line
5. SWI: Single-Wire Interface data line
6. RESET: Reset pin for device initialization

Functional Features

• Secure storage of cryptographic keys
• Hardware-based random number generation
• Authentication and verification of data integrity
• Countermeasures against physical attacks
• Tamper detection and response mechanisms

Advantages

• Strong security measures to protect sensitive information
• Versatile communication interfaces for easy integration
• Compact size allows for flexible placement in various devices
• Low power consumption for energy-efficient operation

Disadvantages

• Limited key storage capacity (16 keys)
• Requires additional components for full system implementation
• Relatively high cost compared to non-security-focused devices

Working Principles

ATSHA204-SH-DA-B utilizes advanced cryptographic algorithms, such as SHA-256, to ensure secure authentication and data protection. It generates and stores cryptographic keys securely, performs cryptographic operations, and verifies the integrity of data using hardware-based mechanisms.

Detailed Application Field Plans

ATSHA204-SH-DA-B finds applications in various fields where secure authentication and data protection are crucial. Some examples include:

1. IoT Devices: Securing communication between connected devices and cloud services.
2. Smart Cards: Protecting sensitive information stored on smart cards, such as credit cards or identification cards.
3. Industrial Control Systems: Ensuring the integrity and authenticity of control commands in critical infrastructure systems.
4. Automotive Electronics: Securing communication and preventing unauthorized access to vehicle systems.

Detailed and Complete Alternative Models

1. ATSHA204A: Similar features and specifications, but with a different package option.
2. ATAES132A: Offers additional encryption capabilities along with authentication features.
3. ATECC608A: Provides enhanced security features, including hardware-based secure boot and certificate handling.

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