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DS12885Q

Dallas Semiconductor
Part Number DS12885Q
Manufacturer Dallas Semiconductor
Description Real-Time Clock
Published Jul 8, 2008
Detailed Description www.maxim-ic.com DS12885/DS12885Q/DS12885T Real-Time Clock PIN ASSIGNMENT (Top View) DS12885, 24 DIP DS12885S, 24 SO 30...
Datasheet PDF File DS12885Q PDF File

DS12885Q
DS12885Q

Overview
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 www.
DataSheet4U.
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 bytes of clock and control registers § 114 bytes of general purpose RAM § Programmable square-wave output signal bus-compatible interrupt signals ( IRQ ) § Three interrupts are separately softwaremaskable and testable § Time-of-day alarm once/second to once/day § Periodic rates from 122µs to 500ms § En...


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