In a sense, all iButtons® are memory buttons because there are no iButtons without memory. Therefore, the concept of a mobile memory chip that communicates by touch remains fundamental to all iButtons. As the iButton family has grown, however, memory only iButtons are now distinguished from iButtons with extended capabilities such as a microprocessor, clock, and/or environmental sensors. Memory iButtons come in these different types to allow you to pick the right device for your specific application.

All memory iButtons have these characteristics:

• Unique and unalterable factory-lasered address
• Low-cost, low-power 1-Wire® interface
• Ability to operate as mobile database, in either standalone or networked application designs.

Target Applications:

• Access Control
  • Buildings
  • Key Control
  • Vehicles
• Computer Security
  • PC / Network Logon
  • Software Authorization
• eCash Payment Systems
  • Canteen / Vending
  • Office Machines
  • Online Transactions
  • Fleet Fueling
  • Mass Transit
  • Parking Meters
  • Utility Meters
• Supply Chain Management Systems
  • Asset Management
  • Fleet Management
  • Guard Tour
  • Health Care Systems
  • Humane Animal Identification
  • Maintenance Records
  • Route Compliance
  • Safety Inspection
  • Warranty Verification

Businesses need to guarantee customers the best quality and freshness in their products or services. For many businesses, this means that tracking temperature and humidity throughout a product's lifetime, through the duration of a service, or through various stages of manufacturing and delivery, are critical. To support this business need, Maxim designed several digital thermometers and temperature/humidity data loggers.

MAXIM’s Thermochron® family of iButton devices (DS1921/DS1922) are temperature data loggers that track the temperature of specific assets or locations. Now you can easily log the thermal exposure of an asset during shipment to see if it stays within specified temperature ranges. Thermochron data loggers make it simple and inexpensive to monitor anything that is temperature sensitive, including pharmaceuticals (vaccines, drugs, reagents), fresh or frozen foods (fruits, vegetables, dairy/dessert products), biological items (animals, blood products, soil), or heating/refrigeration/freezer systems. The Thermochron data logger can also be used for warranty-tracking purposes on equipment that must be kept within a certain temperature range, or to log the results of a process that must be monitored for compliance to a temperature profile

The 16mm iButtons attach unobtrusively to almost any surface: a wall, bottles, totes, boxes, crates, pallets, air cargo containers, refrigerators, semi-trailers, railroad freight cars, etc. The iButton's stainless steel armor withstands dirt, moisture, and rough treatment.

Target Applications:

• Shipping Verification of
  • Perishable Foods
  • Pharmaceuticals
  • Specialty Inks and Dyes
• Medical & Industrial Applications
  • Electronic Device Thermal Testing
  • HACCP
  • Food Safety Checks
  • Sterilization & Pasteurization Processes
  • Biomedical Testing
  • Environmental Testing
  • Warranty Certification