Operating Temperature -40°C~85°C
Packaging Tray
Published 2007
JESD-609 Code e0
Feature Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K
Part Status Obsolete
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Number of Terminations 28
ECCN Code EAR99
Type Clock/Calendar
Terminal Finish Tin/Lead (Sn/Pb)
HTS Code 8542.39.00.01
Subcategory Timer or RTC
Technology CMOS
Voltage - Supply 4.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 240
Supply Voltage 5V
Terminal Pitch 0.55mm
Time@Peak Reflow Temperature-Max (s) 20
Base Part Number DS1501
Pin Count 28
Operating Supply Voltage 5V
Power Supplies 5V
Interface Parallel
Memory Size 256B
Clock Frequency 0.032MHz
Logic Function Clock
External Data Bus Width 8
Number of Timers 1
Time Format HH:MM:SS (24 hr)
Date Format YY-MM-DD-dd
Current - Timekeeping (Max) 5mA @ 4.5V~5.5V
Time-Min SECONDS
Interrupt Capability Y
Voltage - Supply, Battery 2.5V~3.7V
Volatile YES