ATSHA204-SH-CZ-T

Introduction

The ATSHA204-SH-CZ-T belongs to the category of cryptographic authentication devices and is widely used in various electronic products for ensuring secure communication and data integrity. This entry provides an overview of the product, including its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

• Category: Cryptographic Authentication Device
• Use: Secure Communication and Data Integrity
• Characteristics: High Security, Low Power Consumption, Compact Size
• Package: 8-lead SOIC, 3-lead SOT-23
• Essence: Hardware-based Cryptography
• Packaging/Quantity: Tape & Reel (3000 units per reel)

Specifications

• Operating Voltage: 2.0V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C
• Key Storage: 16 Keys
• Security Features: Random Number Generator, SHA-256 Engine
• Certifications: Common Criteria EAL4+, FIPS 140-2 Level 2

Detailed Pin Configuration

The ATSHA204-SH-CZ-T has a total of 8 pins, including VCC, GND, SDA, SCL, and other essential connections. The detailed pin configuration can be found in the product datasheet.

Functional Features

• Secure Key Storage: Provides secure storage for cryptographic keys.
• Authentication: Verifies the authenticity of devices and data.
• Secure Communication: Ensures secure communication channels.
• Random Number Generation: Generates random numbers for cryptographic operations.

Advantages and Disadvantages

Advantages

• High Security Level
• Low Power Consumption
• Small Form Factor
• Industry-standard Certifications

Disadvantages

• Limited Key Storage Capacity
• Dependency on I2C Interface

Working Principles

The ATSHA204-SH-CZ-T utilizes hardware-based cryptography to securely store keys and perform cryptographic operations. It employs a SHA-256 engine for secure hashing and a random number generator for generating unpredictable values. The device communicates over the I2C interface, enabling seamless integration into various electronic systems.

Detailed Application Field Plans

The ATSHA204-SH-CZ-T is widely used in the following application fields: 1. IoT Devices: Ensuring secure communication and data integrity in IoT networks. 2. Embedded Systems: Providing secure boot and firmware validation in embedded devices. 3. Smart Cards: Authenticating users and securing sensitive information in smart card applications. 4. Industrial Control Systems: Safeguarding communication and control signals in industrial environments.

Detailed and Complete Alternative Models

1. ATSHA204A: Similar functionality with different package options.
2. ATECC508A: Enhanced security features and larger key storage capacity.
3. ATECC608A: Advanced cryptographic capabilities and tamper-resistant design.

In conclusion, the ATSHA204-SH-CZ-T is a crucial component in ensuring the security of electronic systems, offering high-level cryptographic protection and secure communication capabilities. Its compact size and industry-standard certifications make it a preferred choice for a wide range of applications.

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