Maxim Integrated DS17287-5+, Real Time Clock, 114B RAM Multiplexed, 24-Pin EDIP

Technical Reference
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Incorporates Industry-Standard DS12887 PC Clock Plus Enhanced Functions
RTC Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year Compensation Through 2099
Optional +3.0V or +5.0V Operation
SMI Recovery Stack
64-Bit Silicon Serial Number
Power-Control Circuitry Supports System Power-On from Date/Time Alarm or Key Closure
Crystal Select Bit Allows Operation with 6pF or 12.5pF Crystal
12-Hour or 24-Hour Clock with AM and PM in 12-Hour Mode
114 Bytes of General-Purpose, Battery-Backed NV SRAM
Extended Battery-Backed NV SRAM
2048 Bytes (DS17285/DS17287)
4096 Bytes (DS17485/DS17487)
8192 Bytes (DS17885/DS17887)
RAM Clear Function
Interrupt Output with Six Independently Maskable Interrupt Flags
Time-of-Day Alarm Once per Second to Once per Day
End of Clock Update Cycle Flag
Programmable Square-Wave Output
Automatic Power-Fail Detect and Switch Circuitry
Available in PDIP, SO, or TSOP Package (DS17285, DS17485, DS17885)
Optional Encapsulated DIP (EDIP) Package with Integrated Crystal and Battery (DS17287, DS17487, DS17887)
Optional Industrial Temperature Range Available
Applications
Embedded Systems
Network Hubs, Bridges, and Routers
Security Systems
Utility Meters

Specifications
Attribute Value
Functions NV SRAM, Real Time Clock
Date Format D:DM:Y
Time Format SS:MM:HH
User RAM 114B
Bus Type Multiplexed
Mounting Type Surface Mount
Package Type EDIP
Pin Count 24
Dimensions 1.34 x 0.72 x 0.37mm
Length 1.34mm
Width 0.72mm
Height 0.37mm
Maximum Operating Supply Voltage 5.5 V
Minimum Operating Temperature 0 °C
Maximum Operating Temperature +70 °C
Minimum Operating Supply Voltage 4.5 V
Available to back order for despatch 16/09/2020
Price Each (In a Tube of 14)
£ 9.829
(exc. VAT)
£ 11.795
(inc. VAT)
Units
Per unit
Per Tube*
14 - 14
£9.829
£137.606
28 - 42
£8.769
£122.766
56 - 98
£7.819
£109.466
112 +
£7.589
£106.246
*price indicative
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