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> Real time clock DS1285/DS1285Q
Real time clock DS1285/DS1285Q
DS1285Q - Real Time Clock - Dallas Semiconductor
http://pdf1.alldatasheet.com/datasheet-pdf/view/88953/DALLAS/DS1285Q.html
The DS1285 Real Time Chip is a direct replacement for
the MC146818A in IBM AT computer clock/calendar
and other applications. For a complete description of
operating conditions, electrical and mechanical characteristics,
bus timing, and pin descriptions see the
http://pdf1.alldatasheet.com/datasheet-pdf/view/58473/DALLAS/DS12885.html
