DS2411X#U

Product Overview

• Category: Integrated Circuit
• Use: Identification and Authentication
• Characteristics: Unique ID, Low Power Consumption
• Package: SOT-23
• Essence: Silicon Chip
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Operating Voltage: 2.8V to 5.5V
• Temperature Range: -40°C to +85°C
• Unique ID Length: 64 bits
• Read Time: 5 microseconds
• Write Time: 10 microseconds
• Data Retention: Over 10 years
• Memory Organization: 1024-bit EEPROM

Detailed Pin Configuration

The DS2411X#U has a total of three pins:

1. GND: Ground pin for electrical reference.
2. DQ: Data pin for communication and data transfer.
3. VCC: Power supply pin.

Functional Features

• Unique ID: Each DS2411X#U has a globally unique 64-bit identification number.
• Low Power Consumption: The integrated circuit operates with low power requirements.
• One-Wire Interface: Communication and control are achieved through a single wire interface.
• Data Protection: Built-in CRC (Cyclic Redundancy Check) ensures data integrity.

Advantages and Disadvantages

Advantages: - Globally unique identification for each chip. - Low power consumption extends battery life. - Simple one-wire interface reduces complexity in system design. - Data protection through CRC enhances reliability.

Disadvantages: - Limited memory capacity compared to other EEPROM chips. - Restricted temperature range for operation.

Working Principles

The DS2411X#U utilizes the one-wire protocol, where communication and power are transmitted over a single wire. The chip's unique ID is factory-programmed during manufacturing and cannot be altered. When connected to a microcontroller, the DS2411X#U can be used for identification and authentication purposes.

Detailed Application Field Plans

The DS2411X#U finds applications in various fields, including:

1. Access Control: Used for secure access control systems.
2. Asset Tracking: Enables tracking and identification of assets.
3. Product Authentication: Ensures the authenticity of products.
4. Electronic Locks: Provides secure locking mechanisms.
5. Smart Cards: Used in smart card applications for identification.

Alternative Models

Below are some alternative models that offer similar functionality:

1. DS2401: 48-bit unique ID, SOT-23 package.
2. DS28E01: 1Kb EEPROM, 64-bit unique ID, SOT-23 package.
3. DS2431: 1024-bit EEPROM, 64-bit unique ID, TO-92 package.

These alternatives can be considered based on specific requirements and system constraints.

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