Professional IC Distribution & Technical Solutions

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.