DS2502P-E64

Product Overview

• Category: Electronic Component
• Use: Identification and Authentication
• Characteristics: Unique Serial Number, Non-volatile Memory, Small Package Size
• Package: SOT-23-3
• Essence: Silicon Integrated Circuit
• Packaging/Quantity: Tape & Reel, 3000 units per reel

Specifications

• Memory Size: 1Kbit
• Communication Interface: 1-Wire
• Operating Voltage: 2.8V to 6.0V
• Temperature Range: -40°C to +85°C
• Data Retention: 10 years
• Write Endurance: 500,000 cycles

Detailed Pin Configuration

The DS2502P-E64 has three pins in the SOT-23-3 package:

1. VCC: Power supply pin (2.8V to 6.0V)
2. GND: Ground pin
3. DQ: Data pin for communication with the device

Functional Features

• Unique 64-bit serial number for identification purposes
• Non-volatile memory for storing user-defined data
• Single-contact 1-Wire interface for easy integration
• Low power consumption for extended battery life
• Compact package size for space-constrained applications

Advantages and Disadvantages

Advantages: - High reliability due to non-volatile memory - Easy integration with a single-contact interface - Wide operating voltage range for flexibility - Small package size allows for compact designs

Disadvantages: - Limited memory size (1Kbit) - Relatively low write endurance (500,000 cycles)

Working Principles

The DS2502P-E64 utilizes a 1-Wire communication interface, which enables data transfer and device control using a single contact. It operates by providing power to the device through the VCC pin and communicating with it via the DQ pin. The unique 64-bit serial number allows for identification and authentication purposes, while the non-volatile memory stores user-defined data that can be accessed even when power is removed.

Detailed Application Field Plans

The DS2502P-E64 finds applications in various fields, including:

1. Asset Tracking: The unique serial number enables easy tracking and identification of assets.
2. Product Authentication: The device can be used to authenticate genuine products, preventing counterfeiting.
3. Access Control: The DS2502P-E64 can be integrated into access control systems for secure identification.
4. Medical Devices: It can be utilized in medical devices for patient identification and data storage.

Detailed and Complete Alternative Models

• DS2502P-E48: Similar specifications but with a different package (SOT-23-3)
• DS2502P-E32: Lower memory size (256 bits) but compatible with the same 1-Wire interface
• DS2502P-E16: Smaller memory size (128 bits) but offers the same functionality

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