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DS1427
Time iButton

Recommended Upgrades for New Designs
Part Number Replacement Explanation
DS1427 DS1904 Replacement part, but since not functionally identical, will require software changes.
DS1427L-F5+ DS1904
DS1427L-F5 DS1904


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Description
FULL DATA SHEET (PDF, 216kB)
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Authorization iButtons® are sophisticated microelectronics, sealed into miniature stainless steel cans, creating a low cost, portable medium for storing and controlling access to sensitive information.

iButtons are used with port adapters as a hardware based protection system for software. iButtons help protect the right to copy software by actually protecting the right to execute it. Software can now be locked to a user, a machine, or an application with a complete audit trail and guaranteed uniqueness.

Key Features
  • Provides a unique 64-bit serial number, 4K bits of RAM
  • No external power required
  • Uses inexpensive 1-Wire® protocol
  • Universally portable across platforms
  • Programmable secure real time clock with alarm and elapsed timer.

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    1998-02-17
    This page last modified: 2007-06-18


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