DS1643-70+
RoHS 
RoHS compliant
RoHS compliantPackage 28-DIP Module (0.600, 15.24mm)
Category Integrated Circuits (ICs) / Clock/Timing - Real Time Clocks
Description
28-DIP Module (0.600 15.24mm) DS1643 R-XDMA-P28 Leap Year NVSRAM real time clock IC 4.5V~5.5V 3mA @ 5V 37.595mm 0.032MHz
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Technical Details
Compliance
Lead Free Lead Free
RoHS Status ROHS3 Compliant
Dimensions
Width 15.24mm
Length 37.595mm
Height Seated (Max) 9.02mm
Technical
Volatile NO
Interrupt Capability N
Time-Min SECONDS
Current - Timekeeping (Max) 3mA @ 5V
Date Format YY-MM-DD-dd
Time Format HH:MM:SS (24 hr)
Number of Timers 1
External Data Bus Width 8
Clock Frequency 0.032MHz
Memory Size 8KB
Interface Parallel
Power Supplies 5V
Qualification Status Not Qualified
JESD-30 Code R-XDMA-P28
Pin Count 28
Base Part Number DS1643
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Terminal Pitch 2.54mm
Supply Voltage 5V
Peak Reflow Temperature (Cel) 260
Terminal Position DUAL
Voltage - Supply 4.5V~5.5V
Technology CMOS
Subcategory Timer or RTC
HTS Code 8542.39.00.01
Terminal Finish Matte Tin (Sn)
Type Clock/Calendar
ECCN Code EAR99
Number of Terminations 28
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Part Status Obsolete
Feature Leap Year, NVSRAM
JESD-609 Code e3
Published 2010
Packaging Tube
Operating Temperature 0°C~70°C
Physical
Surface Mount NO
Package / Case 28-DIP Module (0.600, 15.24mm)
Mounting Type Through Hole
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