DS1644-120+
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) DS1644 8473.30.11.80 Leap Year NVSRAM real time clock IC 4.5V~5.5V 4mA @ 4.5V~5.5V 2.54mm 0C~70C
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Buying Options
Total Price: USD $53.7
Unit Price: USD $53.6959
≥1 USD $53.6959
≥10 USD $44.05815
≥100 USD $42.6816
≥500 USD $41.30505
≥1000 USD $39.92755
Inventory: 1188
Minimum: 1
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Technical Details
Physical
Mounting Type Through Hole
Package / Case 28-DIP Module (0.600, 15.24mm)
Surface Mount NO
Number of Pins 28
Technical
Operating Temperature 0°C~70°C
Packaging Tube
Published 2005
JESD-609 Code e3
Feature Leap Year, NVSRAM
Pbfree Code yes
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Type Clock/Calendar
Terminal Finish Matte Tin (Sn)
HTS Code 8473.30.11.80
Subcategory Timer or RTC
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) NOT SPECIFIED
Supply Voltage 5V
Terminal Pitch 2.54mm
Reach Compliance Code not_compliant
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number DS1644
Pin Count 28
Qualification Status Not Qualified
Power Supplies 5V
Interface Parallel
Memory Size 32KB
Access Time 120 ns
External Data Bus Width 8
Time Format HH:MM:SS (24 hr)
Date Format YY-MM-DD-dd
Current - Timekeeping (Max) 4mA @ 4.5V~5.5V
Time-Min SECONDS
Interrupt Capability N
Volatile NO
Compliance
RoHS Status ROHS3 Compliant
Lead Free Lead Free
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