Maxim Integrated DS12885S+, Real Time Clock, 144B RAM Multiplexed, 24-Pin SOIC

Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Drop-In Replacement for IBM AT Computer Clock/CalendarRTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Through 2099Binary or BCD Time Representation12-Hour or 24-Hour Clock with AM and PM in 12-Hour ModeDaylight Saving Time OptionSelectable Intel or Motorola Bus TimingInterfaced with Software as 128 RAM Locations14 Bytes of Clock and Control Registers114 Bytes of General-Purpose, Battery-Backed RAM (113 Bytes in the DS12C887 and DS12C887A)RAM Clear Function (DS12885, DS12887A, and DS12C887A)Interrupt Output with Three Independently Maskable Interrupt FlagsTime-of-Day Alarm Once Per Second to Once Per DayPeriodic Rates from 122μs to 500msEnd-of-Clock Update Cycle FlagProgrammable Square-Wave OutputAutomatic Power-Fail Detect and Switch CircuitryOptional 28-Pin PLCC Surface Mount Package or 32-Pin TQFP (DS12885)Optional Encapsulated DIP (EDIP) Package with Integrated Crystal and Battery (DS12887, DS12887A, DS12C887, DS12C887A)Optional Industrial Temperature Range Available Applications/UsesEmbedded SystemsNetwork Hubs, Bridges, and RoutersSecurity SystemsUtility Meters

Specifications
Attribute Value
Functions Alarm, Calendar, Clock
Time Format HH:MM:SS
User RAM 144B
Bus Type Multiplexed
Mounting Type Surface Mount
Package Type SOIC
Pin Count 24
Dimensions 15.6 x 7.6 x 2.35mm
Length 15.6mm
Width 7.6mm
Height 2.35mm
Maximum Operating Supply Voltage 5.5 V
Minimum Operating Supply Voltage 4.5 V
Maximum Operating Temperature +70 °C
Minimum Operating Temperature 0 °C
150 In stock - FREE next working day delivery available
Price Each (In a Tube of 30)
£ 4.763
(exc. VAT)
£ 5.716
(inc. VAT)
Units
Per unit
Per Tube*
30 - 30
£4.763
£142.89
60 - 90
£4.222
£126.66
120 - 240
£4.098
£122.94
270 - 480
£3.947
£118.41
510 +
£3.691
£110.73
*price indicative
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