DS2431X-S+TW

Product Overview

• Category: Integrated Circuit
• Use: Memory Device
• Characteristics:
  • Non-volatile memory
  • 1-Wire interface
  • Small form factor
• Package: SOT-23
• Essence: Serial EEPROM
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Memory Size: 1024 bits (128 bytes)
• Operating Voltage: 2.8V to 5.25V
• Data Transfer Rate: 15.4 kbps
• Temperature Range: -40°C to +85°C
• Endurance: 500,000 write cycles
• Data Retention: 10 years

Detailed Pin Configuration

The DS2431X-S+TW has a total of three pins:

1. VCC: Power supply pin (+2.8V to +5.25V)
2. GND: Ground pin (0V reference)
3. DQ: 1-Wire data pin for communication

Functional Features

• 1-Wire Interface: Allows for simple and efficient communication with the device using only one data line.
• Non-Volatile Memory: Retains data even when power is removed, making it suitable for storing critical information.
• Small Form Factor: The SOT-23 package enables space-saving integration into various electronic devices.

Advantages and Disadvantages

Advantages: - Simple and efficient communication through the 1-Wire interface. - Non-volatile memory ensures data retention even in the absence of power. - Small form factor allows for easy integration into compact designs.

Disadvantages: - Limited memory size compared to other EEPROM options. - Relatively low data transfer rate.

Working Principles

The DS2431X-S+TW operates based on the principles of non-volatile memory and the 1-Wire communication protocol. It uses a single data line for both power supply and bidirectional communication, simplifying the interface requirements. The device stores data in its non-volatile memory cells, which can be read or written using the 1-Wire interface.

Detailed Application Field Plans

The DS2431X-S+TW is commonly used in various applications, including:

1. Identification Systems: Used for unique identification of devices or objects.
2. Authentication: Ensures secure access to systems or networks by storing authentication credentials.
3. Data Logging: Suitable for recording and storing small amounts of data, such as temperature or event logs.
4. Configuration Storage: Stores configuration parameters for devices or systems.

Detailed and Complete Alternative Models

1. DS2431P+: Similar to DS2431X-S+TW but with a different package (8-pin PDIP).
2. DS28E01-100: Offers higher memory capacity (128 bytes) and faster data transfer rate (100 kbps).
3. DS2502-E48: Provides larger memory size (4096 bits) and extended temperature range (-55°C to +125°C).

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