ATSHA204A-STUCZ-T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Security and Authentication
• Characteristics: High-security cryptographic device
• Package: SOT-23-3
• Essence: Secure authentication and data protection
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Operating Voltage: 2.0V to 5.5V
• Communication Interface: Single-wire interface (SWI)
• Memory Size: 4.5KB EEPROM
• Cryptographic Algorithm: SHA-256
• Temperature Range: -40°C to +85°C
• Dimensions: 3.00mm x 3.00mm x 1.45mm

Detailed Pin Configuration

The ATSHA204A-STUCZ-T has a total of three pins:

1. VCC: Power supply pin (2.0V to 5.5V)
2. SDA: Single-wire data interface pin
3. GND: Ground pin

Functional Features

• Secure Key Storage: Provides secure storage for cryptographic keys
• Authentication: Supports challenge-response authentication protocols
• Data Protection: Encrypts and protects sensitive data
• Random Number Generation: Generates random numbers for cryptographic operations
• Tamper Detection: Detects physical tampering attempts

Advantages and Disadvantages

Advantages: - High level of security - Small form factor - Low power consumption - Wide operating voltage range

Disadvantages: - Limited memory size - Requires knowledge of cryptographic protocols for optimal use

Working Principles

The ATSHA204A-STUCZ-T is based on the SHA-256 cryptographic algorithm. It securely stores cryptographic keys and performs various security functions such as authentication and data protection. The single-wire interface allows easy integration into various systems. The device generates random numbers for cryptographic operations and includes tamper detection mechanisms to ensure the integrity of stored data.

Detailed Application Field Plans

The ATSHA204A-STUCZ-T is widely used in applications that require secure authentication and data protection. Some common application fields include:

1. IoT Devices: Provides secure communication and authentication for connected devices.
2. Smart Cards: Ensures secure access control and data protection in smart card systems.
3. Secure Boot: Authenticates firmware during the boot process to prevent unauthorized modifications.
4. Anti-Counterfeiting: Protects products from counterfeiting by providing secure authentication mechanisms.

Detailed and Complete Alternative Models

1. ATSHA204A-MAHDA-T: Similar features and specifications, different package (SOT-23-8).
2. ATSHA204A-SSHDA-B: Enhanced security features, larger memory size (8KB EEPROM).
3. ATSHA206A-STUCZ-T: Upgraded version with additional features such as secure storage of certificates.

Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list of available options.

Word count: 409 words