www.
maxim-ic.
com DS12885/DS12885Q/DS12885T Real-Time Clock PIN ASSIGNMENT (Top View) DS12885, 24 DIP DS12885S, 24 SO 300mil www.
maxim-ic.
com FEATURES Drop- in replacement for IBM AT computer clock/calendar § Pin configuration closely matches MC146818B and DS1285 com § Counts seconds, minutes, hours, days, day of the week, date, month, and year with leapyear compensation valid up to 2100 § Binary or BCD representation of time, calendar, and alarm § 12-hour or 24-hour clock with AM and PM in 12-hour mode § Daylight Savings Time option § Selectable between Motorola and Intel bus timing § Multiplex bus for pin efficiency § Interfaced with software as 128 RAM locations § 14 byt...

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