The DS2501 from Maxim Integrated is a unique add-only memory device that provides a robust and secure way to store data. It is part of the family of 1-Wire® devices, which simplifies the connectivity by using a single wire for both communication and power. This feature makes the DS2501 an excellent choice for applications where minimal wiring is a priority, such as in portable or compact devices.

Key Features

• High Storage Capacity: The DS2501 offers 1024 bits of EEPROM memory which can be used to store data that is write-once, read-many (WORM). This makes it ideal for applications that require a permanent and tamper-proof record of data.
• Durability: Designed with a rugged construction, the DS2501 is resistant to environmental hazards such as heat, cold, and moisture, ensuring data integrity in challenging conditions.
• Unique ID: Each DS2501 chip contains a unique, factory-lasered and tested 64-bit registration number that ensures absolute traceability because no two parts are alike.
• Minimalist Interface: The 1-Wire interface requires only one port pin for communication and provides the power through the data line ('parasite power'), minimizing the need for external power supplies.
• High Integration: The device integrates easily with other 1-Wire components in a microcontroller-based system, allowing for a diverse and flexible ecosystem of sensors, memory, and other devices on a single bus.

Applications

The DS2501 is well-suited for a variety of applications that require reliable and secure data storage. These include:

• Electronic asset management
• Access control
• Industrial data tracking
• Aftermarket product authentication
• Warranty verification

Technical Specifications

• Memory: 1024 bits of EEPROM
• Unique 64-bit serial number
• Operating Range: -40°C to +85°C
• 1-Wire interface

The DS2501's unique combination of durability, secure data storage, and simple interface makes it an excellent choice for a wide range of applications. Maxim Integrated's commitment to quality ensures that the DS2501 is a reliable component for any product requiring a permanent memory solution.