DS2460S+ - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits
Use: Security and Authentication
Characteristics: High-performance, versatile
Package: Small form factor
Essence: Secure authentication and encryption
Packaging/Quantity: Individual units

Specifications

• Operating Voltage: 3.3V
• Temperature Range: -40°C to +85°C
• Memory Capacity: 1KB EEPROM
• Communication Interface: 1-Wire®
• Security Features: SHA-1 engine, unique ROM ID
• Dimensions: 5mm x 6mm

Detailed Pin Configuration

The DS2460S+ features the following pin configuration:

| Pin Number | Pin Name | Description | |------------|----------|-------------| | 1 | VCC | Power Supply | | 2 | GND | Ground | | 3 | DQ | 1-Wire Data Line | | 4 | NC | No Connection |

Functional Features

• Secure authentication using SHA-1 engine
• Unique ROM ID for device identification
• Tamper detection and response mechanism
• Memory protection against unauthorized access
• Low power consumption for extended battery life
• Easy integration with existing systems

Advantages and Disadvantages

Advantages: - Robust security features ensure data integrity - Versatile and compatible with various applications - Compact size allows for easy integration - Low power consumption reduces energy costs

Disadvantages: - Limited memory capacity may restrict certain applications - Requires a 1-Wire communication interface for operation

Working Principles

The DS2460S+ operates based on the 1-Wire protocol, allowing it to communicate with other devices using a single data line. It utilizes a SHA-1 engine for secure authentication and encryption. The unique ROM ID assigned to each device ensures its authenticity and prevents unauthorized access. The tamper detection mechanism triggers a response in case of physical intrusion, enhancing the overall security.

Detailed Application Field Plans

The DS2460S+ finds applications in various fields, including:

1. Access Control Systems: Provides secure authentication for entry points, ensuring only authorized individuals gain access.
2. Smart Cards: Enables secure storage and retrieval of sensitive information, such as personal identification data or financial credentials.
3. Medical Devices: Ensures the integrity and confidentiality of patient data in medical devices, protecting against unauthorized access.
4. Industrial Automation: Facilitates secure communication between different components in industrial control systems, preventing tampering or unauthorized modifications.

Detailed and Complete Alternative Models

1. DS28E05: Similar to DS2460S+, but with higher memory capacity (5KB EEPROM).
2. DS2431: Offers similar security features but with a larger package size and lower operating temperature range (-55°C to +125°C).
3. DS28E15: Provides extended memory capacity (15KB EEPROM) while maintaining the same security features and package size as DS2460S+.

In conclusion, the DS2460S+ is a high-performance integrated circuit designed for security and authentication applications. Its compact size, robust security features, and compatibility make it suitable for a wide range of industries. While it has some limitations in terms of memory capacity, it offers reliable and secure authentication solutions for various use cases.