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ATSHA204A-XHCZ-T
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ATSHA204A-XHCZ-T

Introduction

The ATSHA204A-XHCZ-T is a cryptographic authentication device belonging to the category of secure authentication and encryption products. This entry provides an overview of its basic information, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.

Basic Information Overview

  • Category: Secure Authentication and Encryption
  • Use: Cryptographic Authentication
  • Characteristics: High Security, Low Power Consumption
  • Package: 8-lead SOIC, 3-lead SOT-23
  • Essence: Hardware-based Cryptography
  • Packaging/Quantity: Tape & Reel (1000 units per reel)

Specifications

  • Operating Voltage: 2.0V to 5.5V
  • Operating Temperature: -40°C to +85°C
  • Storage Temperature: -55°C to +125°C
  • Communication Interface: Single-wire UART
  • Key Storage: 16 Keys
  • Random Number Generator: True Random Number Generator (TRNG)
  • Cryptographic Accelerator: SHA-256 Engine

Detailed Pin Configuration

  1. VCC
  2. GND
  3. SDA
  4. SCL
  5. GPIO
  6. RST
  7. NC
  8. NC

Functional Features

  • Secure Key Storage
  • Cryptographic Acceleration
  • Challenge-Response Authentication
  • Counter Mode for Secure Counting Applications
  • Tamper Detection

Advantages and Disadvantages

Advantages

  • Robust Security Features
  • Low Power Consumption
  • Small Form Factor
  • Wide Operating Voltage Range

Disadvantages

  • Limited Key Storage Capacity
  • Single Communication Interface

Working Principles

The ATSHA204A-XHCZ-T utilizes hardware-based cryptography to securely store keys and perform cryptographic operations. It employs a challenge-response authentication mechanism to verify the authenticity of connected devices and protect against unauthorized access. The integrated true random number generator enhances the security of generated keys and cryptographic operations.

Detailed Application Field Plans

The ATSHA204A-XHCZ-T is suitable for various applications requiring secure authentication and encryption, including: - IoT Devices - Smart Meters - Secure Payment Systems - Access Control Systems - Anti-Counterfeiting Measures

Detailed and Complete Alternative Models

  • ATAES132A
  • ATECC608A
  • ATECC508A
  • ATECC108A

In conclusion, the ATSHA204A-XHCZ-T offers robust security features, low power consumption, and a compact form factor, making it suitable for a wide range of secure authentication and encryption applications.

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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van ATSHA204A-XHCZ-T in technische oplossingen

  1. What is the ATSHA204A-XHCZ-T?

    • The ATSHA204A-XHCZ-T is a secure cryptographic authentication device that provides protection for applications such as secure boot, anti-counterfeiting, and secure firmware updates.

  2. How does the ATSHA204A-XHCZ-T enhance security in technical solutions?

    • It enhances security by providing a hardware-based solution for cryptographic operations, including key generation, storage, and authentication, which helps protect against unauthorized access and tampering.

  3. What are the key features of the ATSHA204A-XHCZ-T?

    • Key features include a 4.5Kb EEPROM for storing keys and data, a high-security hardware-based random number generator, and a wide operating voltage range.

  4. In what technical solutions can the ATSHA204A-XHCZ-T be used?

    • It can be used in a variety of technical solutions, including IoT devices, industrial control systems, medical devices, and consumer electronics to provide secure authentication and protection against counterfeiting.

  5. How does the ATSHA204A-XHCZ-T support secure boot functionality?

    • It supports secure boot by verifying the authenticity of firmware or software during the boot process, ensuring that only trusted code is executed.

  6. What are the communication interfaces supported by the ATSHA204A-XHCZ-T?

    • It supports I2C and Single-Wire Interface (SWI) for easy integration into different microcontroller platforms.

  7. Can the ATSHA204A-XHCZ-T be used for secure firmware updates?

    • Yes, it can be used to securely authenticate firmware updates, ensuring that only authorized updates are installed on the device.

  8. What are the typical applications of the ATSHA204A-XHCZ-T in IoT devices?

    • Typical applications include device authentication, secure over-the-air (OTA) updates, and protection against cloning and counterfeiting.

  9. How does the ATSHA204A-XHCZ-T help prevent unauthorized access to sensitive data?

    • It helps prevent unauthorized access by securely storing encryption keys and performing cryptographic operations within the hardware, making it difficult for attackers to compromise the system.

  10. Is the ATSHA204A-XHCZ-T suitable for battery-powered devices?

    • Yes, it is suitable for battery-powered devices due to its low-power operation and sleep mode, which helps conserve energy and extend battery life.