ATSHA204A-SSHDA-B

Product Overview

Category

ATSHA204A-SSHDA-B belongs to the category of cryptographic authentication devices.

Use

This product 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

ATSHA204A-SSHDA-B is available in a small surface-mount package, making it suitable for integration into compact electronic devices.

Essence

The essence of ATSHA204A-SSHDA-B lies in its ability to provide secure authentication and protect sensitive data in electronic systems.

Packaging/Quantity

This product is typically packaged in reels or trays, with a quantity of 2500 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 connection
3. SDA: I2C data line
4. SCL: I2C clock line
5. SWI: Single-Wire Interface data line
6. RESET: Reset pin
7. N/C: No connection

Functional Features

• Secure storage of cryptographic keys
• Hardware-based cryptographic operations
• Random number generation
• Tamper detection and response mechanisms
• Non-volatile memory for storing configuration data

Advantages and Disadvantages

Advantages

• Strong security features ensure data integrity and confidentiality
• Versatile communication interfaces for easy integration
• Low power consumption extends battery life in portable devices
• Compact size allows for flexible placement within electronic systems

Disadvantages

• Limited key storage capacity may be insufficient for certain applications
• Higher cost compared to less secure authentication solutions
• Requires additional software development for full utilization of features

Working Principles

ATSHA204A-SSHDA-B utilizes advanced cryptographic algorithms, such as SHA-256, to perform secure authentication and data protection. It securely stores cryptographic keys and performs cryptographic operations on the stored data. The tamper detection mechanisms ensure the integrity of the device and protect against unauthorized access.

Detailed Application Field Plans

ATSHA204A-SSHDA-B finds applications in various fields where secure authentication and data protection are crucial. Some potential application areas include:

1. IoT Devices: Securely authenticate and protect data transmitted between IoT devices and cloud servers.
2. Payment Systems: Ensure secure transactions by authenticating payment cards and protecting sensitive financial information.
3. Smart Grids: Authenticate communication between smart meters and utility providers to prevent unauthorized access and tampering.
4. Medical Devices: Protect patient data and ensure the authenticity of medical devices used in healthcare systems.
5. Automotive Systems: Securely authenticate communication between different components of automotive systems, such as ECUs and sensors.

Detailed and Complete Alternative Models

1. ATSHA204A-MAHDA-B: Similar to ATSHA204A-SSHDA-B but with a different package option.
2. ATSHA206A-SSHDA-B: Enhanced version with increased key storage capacity and additional security features.
3. ATAES132A-SSHDA-B: Provides both cryptographic authentication and encryption capabilities.

These alternative models offer similar functionality and can be considered based on specific requirements and preferences.

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