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Status
Part Number	Status
DS17285	Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.
DS17287	Active: In Production.
DS17485	Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.
DS17487	Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.
DS17885	Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.
DS17887	Active: In Production.

Data Sheet

FULL DATA SHEET (PDF, 328kB) Download   E-Mail

This product contains lithium-metal batteries. See applicable regulations for transport requirements for batteries in equipment.

Application Notes

Application Note 58: Crystal Considerations with Dallas Real-Time Clocks (RTCs) - DS17285, DS17485, DS17885 Application Note 77: DS1685/87 and DS17X85/87 Accessing Extended User RAM - DS17485, DS17885 Application Note 499: Using the Multiplex Bus RTC Extended Features - DS17885, DS17285, DS17887, DS17287, DS17485, DS17487 Application Note 504: Design Considerations for Dallas Semiconductor Real-Time Clocks - DS17285, DS17485, DS17487 Application Note 505: Lithium Coin-Cell Batteries: Predicting an Application Lifetime - DS17285, DS17885 Application Note 516: Using Multiplexed Bus Clocks with a Microcontroller - DS17887, DS17287, DS17487 Application Note 701: Using the DS32kHz with Dallas Real-Time Clocks - DS17285, DS17485, DS17885 Application Note 1145: Interface a Multiplexed-Bus Real-Time Clock to a µP With Separate Address and Data Buses - DS17285, DS17887, DS17287, DS17485, DS17487, DS17885 Application Note 3778: Problems and Solutions for Adjusting to Changes in Daylight Saving Time - DS17285, DS17885, DS17887, DS17485, DS17487 Application Note 3816: Selecting a Backup Source for Real-Time Clocks - DS17885, DS17285, DS17485

Design Guides

Real-Time Clocks (PDF)

Reliability Reports

Reliability Report: DS17285.pdf DS17287.pdf DS17485.pdf DS17487.pdf DS17885.pdf DS17887.pdf Underwriters Laboratories (UL®) Recognized

Software/Models

none

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