DS2502G+U

Product Overview

• Category: Integrated Circuit
• Use: Identification and Memory Device
• Characteristics: Programmable, Low Power Consumption
• Package: SOT-23
• Essence: Electronic Component for storing unique identification information
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Memory Size: 1Kbit (128 bytes)
• Communication Interface: 1-Wire
• Operating Voltage: 2.8V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Data Retention: Up to 10 years
• Programming Endurance: Minimum 100,000 write cycles

Detailed Pin Configuration

The DS2502G+U has a total of three pins:

1. VCC: Power supply pin (2.8V to 5.25V)
2. GND: Ground pin
3. DQ: Data pin for communication with the device

Functional Features

• Unique 64-bit ROM code assigned during manufacturing
• Can be used as an electronic serial number (ESN)
• Provides read and write access to the memory
• Supports overdrive mode for faster data transfer
• Built-in protection against accidental erasure or modification of data

Advantages and Disadvantages

Advantages: - Compact size and low power consumption - Easy integration into various electronic systems - High data retention and programming endurance - Secure and tamper-proof identification solution

Disadvantages: - Limited memory capacity compared to other storage devices - Requires a specific communication protocol (1-Wire)

Working Principles

The DS2502G+U operates based on the 1-Wire communication protocol. It uses a single data pin (DQ) for both power supply and bidirectional data transfer. The device is powered by the voltage supplied through the DQ pin. Communication with the device is achieved by sending specific commands and data sequences over the 1-Wire interface.

Detailed Application Field Plans

The DS2502G+U finds applications in various fields, including:

1. Asset Tracking: Used to uniquely identify and track assets such as equipment, tools, or inventory items.
2. Product Authentication: Ensures the authenticity of products by embedding a unique identifier that can be verified.
3. Access Control: Enables secure access control systems by providing unique identification for users or devices.
4. Medical Devices: Used for tracking and identifying medical devices, ensuring proper maintenance and usage records.
5. Electronic Systems: Integrated into electronic systems for device identification, configuration, or calibration purposes.

Detailed and Complete Alternative Models

1. DS2401Z+: Similar functionality but with a different package (TO-92)
2. DS28E05-100+: Higher memory capacity (512 bytes) with additional features like a real-time clock
3. DS1990A-F5+: Smaller form factor (iButton) with similar functionality and memory size (134 bytes)

(Note: The alternative models mentioned above are just a few examples and not an exhaustive list.)

This entry provides an overview of the DS2502G+U, an integrated circuit used for identification and memory purposes. It includes information about its specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.