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Status
Part Number	Status
DS1556	Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.
DS1556P	Active: In Production. But some versions of the family are No Longer Available. See Ordering Information.

Data Sheet

FULL DATA SHEET (PDF, 388kB) Download   E-Mail

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

Application Notes

Application Note 504: Design Considerations for Dallas Semiconductor Real-Time Clocks - DS1556 Application Note 507: PowerCap Package Allows for Density Upgrades, Surface Mount Assembly - DS1556, DS1556 Application Note 520: Using a Watchdog Timekeeping RAM with a Microcontroller - DS1556

Design Guides

Real-Time Clocks (PDF)

Reliability Reports

Reliability Report: DS1556.pdf DS1556P.pdf Underwriters Laboratories (UL®) Recognized

Software/Models

none

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