画像はイメージの場合もございます。
商品詳細は仕様をご覧ください。
ATSHA204A-MAHDA-T

ATSHA204A-MAHDA-T

Product Overview

Category

ATSHA204A-MAHDA-T 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-MAHDA-T comes in a small surface-mount package, making it suitable for integration into compact electronic devices.

Essence

The essence of this product lies in its ability to provide secure authentication and protect sensitive data from unauthorized access.

Packaging/Quantity

ATSHA204A-MAHDA-T is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

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 for device initialization

Functional Features

  • Secure storage of cryptographic keys
  • Hardware-based authentication and encryption
  • Random number generation
  • Counter functionality for replay attack prevention
  • Tamper detection and response mechanisms

Advantages and Disadvantages

Advantages

  • Strong security measures for data protection
  • Versatile communication interfaces for easy integration
  • Low power consumption for energy-efficient applications
  • Compact size allows for flexible placement in various devices

Disadvantages

  • Limited key storage capacity (16 keys)
  • Requires additional components for full system implementation
  • Relatively higher cost compared to non-cryptographic authentication solutions

Working Principles

ATSHA204A-MAHDA-T utilizes advanced cryptographic algorithms, such as SHA-256, to ensure secure authentication and data protection. It securely stores cryptographic keys and performs hardware-based encryption and decryption operations. The device also incorporates tamper detection mechanisms to prevent unauthorized access.

Detailed Application Field Plans

ATSHA204A-MAHDA-T finds application 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. Smart Cards: Enhance the security of payment cards, access control cards, and identification cards.
  3. Embedded Systems: Safeguard sensitive information in embedded systems used in industries like automotive, healthcare, and industrial automation.
  4. Consumer Electronics: Protect user data in smartphones, tablets, and other portable devices.

Detailed and Complete Alternative Models

  1. ATSHA204A-MAHDA-T is part of the ATSHA204A series, which includes different package options and temperature ranges.
  2. Other alternative models from different manufacturers include ATECC508A, MAXQ1061, and STM32L5xx series, each with its own set of features and specifications.

In conclusion, ATSHA204A-MAHDA-T is a cryptographic authentication device that provides robust security features, high-speed cryptographic operations, and multiple communication interfaces. While it has limitations in terms of key storage capacity and additional system components required, its working principles and versatile application field plans make it an essential component for ensuring secure authentication and data protection in various electronic systems.

技術ソリューションにおける ATSHA204A-MAHDA-T の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of ATSHA204A-MAHDA-T in technical solutions:

  1. Q: What is ATSHA204A-MAHDA-T? A: ATSHA204A-MAHDA-T is a cryptographic authentication chip manufactured by Microchip Technology. It provides secure key storage and cryptographic functions for various applications.

  2. Q: What are the main features of ATSHA204A-MAHDA-T? A: The main features include 4.5KB EEPROM, SHA-256 engine, random number generator, secure key storage, and tamper detection capabilities.

  3. Q: How can ATSHA204A-MAHDA-T be used in technical solutions? A: It can be used for secure boot, secure firmware updates, secure communication protocols, secure authentication, anti-counterfeiting measures, and more.

  4. Q: What is the advantage of using ATSHA204A-MAHDA-T for secure booting? A: ATSHA204A-MAHDA-T ensures that only authenticated and trusted firmware is loaded during the boot process, preventing unauthorized modifications.

  5. Q: Can ATSHA204A-MAHDA-T be used for secure firmware updates? A: Yes, it can securely authenticate and verify firmware updates, ensuring that only authorized updates are installed.

  6. Q: How does ATSHA204A-MAHDA-T provide secure communication protocols? A: It can generate and store unique secret keys, enabling secure encryption and decryption of data exchanged between devices.

  7. Q: Does ATSHA204A-MAHDA-T have any built-in protection against tampering? A: Yes, it has tamper detection features that can detect physical attacks or attempts to extract sensitive information from the chip.

  8. Q: Can ATSHA204A-MAHDA-T be used for anti-counterfeiting measures? A: Yes, it can generate unique device identifiers and cryptographic signatures that can be used to verify the authenticity of a product.

  9. Q: What is the power supply requirement for ATSHA204A-MAHDA-T? A: It operates on a voltage range of 2.0V to 5.5V, making it compatible with a wide range of systems.

  10. Q: Are there any development tools or resources available for working with ATSHA204A-MAHDA-T? A: Yes, Microchip provides a software development kit (SDK), application notes, datasheets, and technical support to assist developers in integrating ATSHA204A-MAHDA-T into their solutions.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.