Drop- in replacement for IBM AT computer clock/calendar § Pin configuration closely matches MC146818B and DS1285 www.DataSheet4U.com § Counts seconds, minutes, hours, day.

The DS12885 real-time clock plus RAM is designed to be a direct replacement for the DS1285. The DS12885 is identical in form, fit, and function to the DS1285, and has an additional 64 bytes of general purpose RAM. Access to this additional RAM space .

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