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DS12885, DS12887, DS12887A, DS12C887, DS12C887A
Real-Time Clock


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Data Sheet
FULL DATA SHEET (PDF, 364kB)
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Application Notes
  • Application Note 58: Crystal Considerations with Dallas Real-Time Clocks (RTCs) - DS12885
  • Application Note 503: Replacing the DS1287/DS12887 Real-Time Clock in a Personal Computer - DS12C887A, DS12887, DS12887A, DS12C887
  • Application Note 504: Design Considerations for Dallas Semiconductor Real-Time Clocks - DS12885, DS12887
  • Application Note 505: Lithium Coin-Cell Batteries: Predicting an Application Lifetime - DS12885
  • Application Note 516: Using Multiplexed Bus Clocks with a Microcontroller - DS12885, DS12887, DS12C887
  • Application Note 521: Replacement for the MC146818 - DS12C887A, DS12885, DS12887, DS12887A, DS12C887
  • Application Note 522: Replacement for the MC146818A - DS12C887A, DS12885, DS12887, DS12887A, DS12C887
  • Application Note 562: Tech Brief 8: Problems and Solutions for the Year 2000 - DS12885, DS12887, DS12C887
  • Application Note 701: Using the DS32kHz with Dallas Real-Time Clocks - DS12885
  • Application Note 1145: Interface a Multiplexed-Bus Real-Time Clock to a µP With Separate Address and Data Buses - DS12C887A, DS12885, DS12887, DS12887A, DS12C887
  • Application Note 3778: Problems and Solutions for Adjusting to Changes in Daylight Saving Time - DS12C887, DS12C887A, DS12885, DS12887, DS12887A
  • Application Note 3816: Selecting a Backup Source for Real-Time Clocks - DS12885

    Evaluation Kits
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    Design Guides
  • REAL-TIME CLOCKS (PDF)

    Reliability Reports
  • Reliability Report: DS12885.pdf DS12887.pdf
  • Request Reliability Report for:

    Software/Models
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    2007-03-26
    This page last modified: 2007-06-18



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