Operating Temperature 0°C~70°C
Packaging Tube
Published 2004
Feature Alarm, Leap Year, NVSRAM, Square Wave Output, Watchdog Timer, Y2K
Pbfree Code yes
Part Status Obsolete
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 28
ECCN Code EAR99
Type Clock/Calendar
HTS Code 8473.30.11.80
Subcategory Timers or RTCs
Technology CMOS
Voltage - Supply 3V~3.6V
Terminal Position DUAL
Supply Voltage 3.3V
Terminal Pitch 1.27mm
Base Part Number DS1501
Pin Count 28
Operating Supply Voltage 3.3V
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) 4mA @ 3V~3.6V
Time-Min SECONDS
Interrupt Capability Y
Voltage - Supply, Battery 2.5V~3.7V
Volatile YES