DS2502S

Product Overview

Category

The DS2502S belongs to the category of electronic components.

Use

It is commonly used in various electronic devices and systems for data storage and identification purposes.

Characteristics

• Compact size
• Non-volatile memory
• High data retention capability
• Low power consumption

Package

The DS2502S is typically available in a small surface-mount package, making it suitable for integration into compact electronic devices.

Essence

The essence of the DS2502S lies in its ability to store and retrieve data reliably, providing a unique identification code for each device.

Packaging/Quantity

The DS2502S is usually packaged in reels or trays, with varying quantities depending on the manufacturer's specifications.

Specifications

• Memory capacity: 1 kilobit (128 bytes)
• Operating voltage: 2.8V to 5.25V
• Data transfer rate: Up to 16.3 kbps
• Temperature range: -40°C to +85°C

Detailed Pin Configuration

The DS2502S has a total of three pins:

1. VCC: Power supply pin
2. GND: Ground pin
3. DATA: Serial data input/output pin

Functional Features

• Unique 64-bit ROM code for device identification
• One-wire interface for easy integration into existing systems
• Data can be written and read multiple times without degradation
• Built-in protection against accidental erasure or modification

Advantages and Disadvantages

Advantages

• Small form factor allows for easy integration into compact designs
• Non-volatile memory ensures data retention even during power loss
• Wide operating temperature range enables usage in various environments
• One-wire interface simplifies connectivity and reduces wiring complexity

Disadvantages

• Limited memory capacity may not be sufficient for certain applications
• Relatively slower data transfer rate compared to some other devices
• Requires additional circuitry for communication with the host system

Working Principles

The DS2502S utilizes a one-wire interface, which enables communication with the host system using a single data line. It operates by sending and receiving data in a serial manner, allowing for efficient data transfer and storage.

Detailed Application Field Plans

The DS2502S finds application in various fields, including:

1. Asset tracking systems
2. Access control systems
3. Inventory management systems
4. Electronic identification tags
5. Medical equipment identification

Detailed and Complete Alternative Models

Some alternative models to the DS2502S include:

1. DS2431: Higher memory capacity (1024 bytes) but similar functionality
2. DS28E05: Extended memory capacity (5120 bytes) with additional features like cryptographic security
3. DS1990A: Lower memory capacity (64 bytes) but compatible with the same one-wire interface

These alternative models offer different memory capacities and additional features, providing flexibility for various application requirements.

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