DS2409P/T&R

Product Overview

• Category: Integrated Circuit
• Use: Communication and Control Systems
• Characteristics: Programmable Silicon Serial Number
• Package: Tape & Reel
• Essence: Unique Identification Device
• Packaging/Quantity: 2500 units per reel

Specifications

• Manufacturer: Maxim Integrated
• Supply Voltage: 2.8V to 5.25V
• Operating Temperature Range: -40°C to +85°C
• Interface: 1-Wire
• Memory: 64-bit ROM
• Unique Serial Number: 48-bit
• Programmable Features: Alarm Search, Conditional Search, Overdrive Mode

Pin Configuration

The DS2409P/T&R has a 6-pin configuration:

1. GND: Ground
2. DQ: 1-Wire Data I/O
3. VCC: Power Supply
4. NC: No Connection
5. NC: No Connection
6. NC: No Connection

Functional Features

• Unique Serial Number: Each DS2409P/T&R has a globally unique 48-bit serial number.
• Alarm Search: Allows the device to search for devices that have triggered an alarm condition.
• Conditional Search: Enables conditional searches based on user-defined criteria.
• Overdrive Mode: Increases data transfer speed by up to 10 times.

Advantages and Disadvantages

Advantages

• Globally unique serial number ensures device identification and tracking.
• Programmable features provide flexibility in system design.
• Overdrive mode enhances data transfer speed.

Disadvantages

• Limited memory capacity (64-bit ROM).
• Requires a 1-Wire interface for communication.

Working Principles

The DS2409P/T&R operates on the 1-Wire protocol, which allows communication and control using a single data line. It utilizes a 64-bit ROM memory to store the unique serial number and programmable features. The device can be accessed and controlled by sending specific commands through the 1-Wire interface.

Application Field Plans

The DS2409P/T&R finds applications in various fields, including:

1. Asset Tracking: The unique serial number enables accurate identification and tracking of assets.
2. Security Systems: Conditional search feature allows for customized security protocols.
3. Industrial Automation: Overdrive mode enhances data transfer speed in control systems.
4. Supply Chain Management: Unique identification ensures traceability and authenticity of products.

Alternative Models

• DS2409+: Similar functionality with a different package (SOIC).
• DS2411: Programmable Silicon Serial Number with additional memory capacity.
• DS28E05: 1-Wire EEPROM with extended memory capabilities.

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