Real Time Clock
Description
DS12887A Real Time Clock
www.dalsemi.com
FEATURES
§ Drop–in replacement for IBM AT computer clock/calendar § Pin compatible with the MC146818B and DS1287A § Totally nonvolatile with over 10 years of operation in the absence of power § Self–contained subsystem includes lithium, quartz, and support circuitry § Counts seconds, minutes, hours, days, day of the ...
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