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DS1994
4Kb Plus Time Memory iButton®

Recommended Upgrades for New Designs
Part Number Replacement Explanation
DS1994 DS1904 DS1994 is only available under allocation due to end of life program. Recommended alternative will require software/firmware updates to existing systems.
DS1994L-F5+ DS1904
DS1994L-F5 DS1904


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Data Sheet
FULL DATA SHEET (PDF, 732kB)
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Application Notes
  • Application Note 74: Reading and Writing 1-Wire® Devices Through Serial Interfaces - DS1994
  • Application Note 155: 1-Wire® Software Resource Guide Device Description - DS1994
  • Application Note 244: Advanced 1-Wire Network Driver - DS1994
  • Application Note 937: Book of iButton® Standards - DS1994

    Evaluation Kits
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    Design Guides
  • Real-Time Clocks (PDF)
  • 1-Wire® Products (PDF)

    Reliability Reports
  • Reliability Report: DS1994.pdf
  • Underwriters Laboratories (UL®) Recognized

    Software/Models
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    2008-07-23
    This page last modified: 2008-07-23


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