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DS1284, DS1286
Watchdog Timekeepers

Recommended Upgrades for New Designs
Part Number Replacement Explanation
DS1284 DS1501 There is no direct replacement. The DS1501 offers similar features, but has no hundredth second.
DS1284QN DS1501
DS1284+ DS1501
DS1284N DS1501
DS1284Q+ DS1501
DS1284QN+ DS1501
DS1284Q DS1501
DS1284Q-C05 DS1501
DS1284Q+T&R DS1501
DS1284Q/T&R DS1501
DS1284QN+T&R DS1501
DS1284QN/T&R DS1501
DS1286 DS1511 There is no direct replacement. The DS1511 offers similar features, but has no hundredth second.
DS1286+ DS1511
DS1286I+ DS1511
DS1286I DS1511


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Data Sheet
FULL DATA SHEET (PDF, 392kB)
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Application Notes
  • Application Note 58: Crystal Considerations with Dallas Real-Time Clocks (RTCs) - DS1284
  • Application Note 66: Watchdog Timekeeper - DS1284, DS1286
  • Application Note 504: Design Considerations for Dallas Semiconductor Real-Time Clocks - DS1284, DS1286
  • Application Note 505: Lithium Coin-Cell Batteries: Predicting an Application Lifetime - DS1284
  • Application Note 701: Using the DS32kHz with Dallas Real-Time Clocks - DS1284

    Evaluation Kits
    none

    Design Guides
  • REAL-TIME CLOCKS (PDF)
  • SYSTEM TIMING & CONTROL (PDF)

    Reliability Reports
  • Reliability Report: DS1284.pdf DS1286.pdf

    Software/Models
    none

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    2006-03-29
    This page last modified: 2007-06-18



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