Maxim Integrated DS1990R-F5# - iButton Serial Number

The DS1990R-F5# from Maxim Integrated is a robust iButton® device that provides a guaranteed unique 64-bit serial number. This coin-sized, stainless steel encapsulated device can be easily attached to items in need of an electronic identification tag. It's a perfect solution for access control, asset management, and various data logging applications.

Key Features:

• Durable Design: The DS1990R-F5# is housed in a rugged stainless steel case, which is highly resistant to environmental hazards such as dirt, moisture, and shock. Its durability makes it ideal for use in harsh industrial environments.
• Unique Identification: Each iButton is factory lasered with a unique 64-bit serial number, which ensures that no two buttons are alike and provides an unalterable identity that can be read with minimal hardware, such as a simple probe.
• Easy-to-Use: The device can be easily affixed to any surface or carried by personnel, making it versatile for a myriad of applications. Its touch communication requires no insertion orientation or special reader, enhancing user convenience.
• Multi-Purpose: The DS1990R-F5# can serve as an electronic registration number for time and attendance systems, inventory and asset tracking, and controlling access to various resources.

Specifications:

• Operating temperature range: -40°C to +85°C
• Data transfer rate: 16.3kbps (standard mode)
• Read/write cycles: 1,500,000 at +25°C
• Data retention: Over 10 years
• Dimensions: 17.35mm x 5.89mm (F5 MicroCan)

The DS1990R-F5# is compatible with the 1-Wire® protocol, a system that uses a single data line plus ground reference for communication. This allows for seamless integration into new or existing systems with minimal hardware requirements. Whether you're managing a fleet of vehicles, securing a building, or tracking valuable assets, the Maxim Integrated DS1990R-F5# provides a reliable and efficient solution for your identification needs.