Operating Temperature 0°C~70°C
Packaging Tube
Published 1997
JESD-609 Code e3
Feature Leap Year, NVSRAM
Pbfree Code yes
Part Status Obsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 34
ECCN Code EAR99
Type Clock/Calendar
Terminal Finish MATTE TIN
HTS Code 8473.30.11.80
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) NOT SPECIFIED
Supply Voltage 5V
Terminal Pitch 1.27mm
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Base Part Number DS1643
Pin Count 34
Qualification Status Not Qualified
Interface Parallel
Memory Size 8KB
Clock Frequency 0.032MHz
Access Time 100 ns
External Data Bus Width 8
Time Format HH:MM:SS (24 hr)
Date Format YY-MM-DD-dd
Current - Timekeeping (Max) 3mA @ 5V
Voltage - Supply, Battery 3V