DS2505/T&R

Product Overview

• Category: Integrated Circuit
• Use: Identification and Memory Storage
• Characteristics: High capacity, compact size, durable
• Package: Tape and Reel (T&R)
• Essence: Non-volatile memory chip
• Packaging/Quantity: 1000 units per reel

Specifications

• Memory Capacity: 1024 bits
• Operating Voltage: 2.8V to 6.0V
• Operating Temperature: -40°C to +85°C
• Data Retention: Up to 10 years
• Communication Interface: 1-Wire® protocol
• Package Type: SOT-23

Detailed Pin Configuration

The DS2505/T&R has a total of three pins:

1. VCC: Power supply pin (2.8V to 6.0V)
2. GND: Ground pin
3. DQ: Data input/output pin (1-Wire® communication)

Functional Features

• Unique 64-bit ROM code for device identification
• 1024 bits of non-volatile EEPROM memory
• Supports overdrive mode for faster data transfer
• One-wire interface simplifies system design
• Low power consumption during standby mode
• Write protection feature prevents accidental data modification

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into various devices
• High memory capacity enables storage of critical information
• Durable construction ensures reliable performance in harsh environments
• Simple one-wire interface reduces complexity in system design
• Write protection feature enhances data security

Disadvantages

• Limited memory capacity compared to other memory chips
• Requires compatible 1-Wire® interface for communication

Working Principles

The DS2505/T&R operates based on the 1-Wire® protocol, which allows communication with the chip using only a single data line. The device uses non-volatile EEPROM memory to store data, ensuring that information is retained even when power is disconnected. The unique ROM code assigned to each DS2505/T&R enables easy identification and differentiation between multiple devices.

Detailed Application Field Plans

The DS2505/T&R finds applications in various fields, including:

1. Asset Tracking: Used for tracking and identifying assets in logistics and supply chain management systems.
2. Authentication Systems: Provides secure identification and authentication in access control systems.
3. Medical Devices: Stores critical patient information in medical devices for quick access and retrieval.
4. Industrial Automation: Enables identification and configuration of industrial equipment in automated systems.
5. Smart Cards: Used as a memory storage component in smart cards for various applications.

Detailed and Complete Alternative Models

• DS2502R-100+: Similar to DS2505/T&R but with a smaller memory capacity of 1024 bits.
• DS2431P+: Offers higher memory capacity of 10240 bits but requires a different package type.
• DS28E05Q+: Provides extended features such as cryptographic security and increased memory capacity of 5120 bits.

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