Maxim Integrated
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DS2502-E64
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DS2502-E64

Product Overview

  • Category: Integrated Circuit
  • Use: Identification and Authentication
  • Characteristics: Nonvolatile memory, Unique 64-bit serial number, One-wire interface
  • Package: SOT-23
  • Essence: Electronic identification device
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Memory: 1024 bits (128 bytes)
  • Operating Voltage: 2.8V to 6.0V
  • Temperature Range: -40°C to +85°C
  • Data Retention: Up to 10 years
  • Write Endurance: Minimum 100,000 cycles

Detailed Pin Configuration

The DS2502-E64 has a three-pin configuration:

  1. VCC: Power supply pin (2.8V to 6.0V)
  2. GND: Ground pin
  3. DQ: Data input/output pin (One-wire interface)

Functional Features

  • Unique 64-bit serial number for device identification
  • Nonvolatile memory for storing user-defined data
  • One-wire interface for easy communication with microcontrollers
  • Low power consumption
  • Compact SOT-23 package for space-constrained applications

Advantages

  • High reliability and durability
  • Easy integration with existing systems
  • Secure authentication and identification capabilities
  • Wide operating voltage range allows for versatile usage
  • Compact size enables use in small form factor devices

Disadvantages

  • Limited storage capacity compared to other memory devices
  • Relatively higher cost per unit compared to similar products
  • Requires additional components for proper functionality

Working Principles

The DS2502-E64 operates based on the one-wire interface protocol. It communicates with a microcontroller using a single data line (DQ), which also provides power to the device. The unique 64-bit serial number allows for easy identification and authentication of the DS2502-E64. The nonvolatile memory can be read from or written to by the microcontroller, enabling storage of user-defined data.

Detailed Application Field Plans

The DS2502-E64 finds applications in various fields, including:

  1. Asset tracking and management systems
  2. Access control and security systems
  3. Product authentication and anti-counterfeiting measures
  4. Medical devices and patient identification
  5. Industrial automation and control systems
  6. Automotive electronics and vehicle identification

Alternative Models

  • DS2502-R64: Similar specifications but with a different package (TSOC)
  • DS2502T-E48: Lower memory capacity (512 bits) but same functionality
  • DS2502P-F48: Higher temperature range (-55°C to +125°C) for extreme environments

Note: This is not an exhaustive list, and there may be other alternative models available in the market.

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قم بإدراج 10 أسئلة وإجابات شائعة تتعلق بتطبيق DS2502-E64 في الحلول التقنية

Sure! Here are 10 common questions and answers related to the application of DS2502-E64 in technical solutions:

  1. Q: What is DS2502-E64? A: DS2502-E64 is a unique electronic serial number (ESN) chip manufactured by Maxim Integrated. It can be used for identification and authentication purposes in various technical solutions.

  2. Q: How does DS2502-E64 work? A: DS2502-E64 uses a 64-bit ROM to store its unique serial number. It communicates with the host system using a 1-Wire interface, allowing for easy integration into different applications.

  3. Q: What are the typical applications of DS2502-E64? A: DS2502-E64 is commonly used in applications such as asset tracking, product authentication, access control systems, electronic locks, and anti-counterfeiting measures.

  4. Q: Can DS2502-E64 be used in harsh environments? A: Yes, DS2502-E64 is designed to operate in a wide temperature range (-40°C to +85°C) and can withstand harsh environmental conditions, making it suitable for both indoor and outdoor applications.

  5. Q: How can I integrate DS2502-E64 into my system? A: DS2502-E64 can be easily integrated into your system by connecting it to a microcontroller or other compatible devices using the 1-Wire interface. Maxim Integrated provides documentation and libraries to assist with the integration process.

  6. Q: Is DS2502-E64 secure against tampering or cloning? A: DS2502-E64 incorporates several security features, including a unique factory-programmed ROM code and a read-only memory structure, making it difficult to clone or tamper with the device.

  7. Q: Can DS2502-E64 be used for real-time tracking of assets? A: DS2502-E64 itself does not provide real-time tracking capabilities. However, it can be combined with other sensors or systems to enable asset tracking functionality.

  8. Q: What is the maximum distance between DS2502-E64 and the host system? A: The 1-Wire interface used by DS2502-E64 supports communication over long distances, typically up to 100 meters, depending on the wiring and environmental conditions.

  9. Q: Can DS2502-E64 be programmed or reprogrammed? A: No, DS2502-E64 is a read-only device and cannot be programmed or reprogrammed. Its unique serial number is factory-programmed during manufacturing.

  10. Q: Are there any limitations or considerations when using DS2502-E64 in technical solutions? A: Some considerations include ensuring proper electrical connections, protecting the device from physical damage, and implementing appropriate security measures to prevent unauthorized access to the data stored in DS2502-E64.