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ATSHA204A-SSHDA-B Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
ATSHA204A-SSHDA-BATMEL13198Yes

ATSHAA204A-SSHDA-B** is a secure cryptographic authentication device manufactured by **Microchip Technology (formerly ATMEL)**.

The ATSHAA204A-SSHDA-B is a secure cryptographic authentication device manufactured by Microchip Technology (formerly ATMEL).

Specifications:

  • Part Number: ATSHA204A-SSHDA-B
  • Manufacturer: Microchip Technology (ATMEL)
  • Package: 8-lead SOIC (150mil)
  • Operating Voltage: 2.0V to 5.5V
  • Interface: Single-wire (1-Wire) or I²C (configurable)
  • Temperature Range: -40°C to +85°C
  • Cryptography: SHA-256 Hash Algorithm
  • EEPROM Memory: 4.5KB (configurable for keys, data storage)
  • Security Features:
  • Secure key storage
  • Hardware-based cryptographic operations
  • Tamper detection
  • Unique 72-bit serial number
  • Applications: Secure authentication, IoT security, anti-counterfeiting, secure boot.

Descriptions:

The ATSHAA204A-SSHDA-B is a high-security cryptographic authentication IC designed for secure key storage and cryptographic operations. It provides a hardware-based solution for verifying the authenticity of devices, preventing cloning, and ensuring secure communication.

Features:

  • Secure Authentication: Uses SHA-256 for cryptographic operations.
  • Unique Serial Number: Each device has a factory-programmed 72-bit serial number.
  • Tamper Protection: Hardware-based security prevents unauthorized access.
  • Low Power Consumption: Suitable for battery-powered applications.
  • Flexible Interface: Supports both I²C and Single-wire communication.
  • Configurable Memory: EEPROM can store keys, certificates, and user data.

This device is commonly used in IoT security, embedded systems, and anti-cloning applications.

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