DS1302S

IC RTC CLK/CALENDAR SER 8-SOIC                                    

Type    Clock/Calendar
Features    Leap Year, NVSRAM, Trickle-Charger
Memory Size    31B
Time Format    HH:MM:SS (12/24 hr)
Date Format    YY-MM-DD-dd
Interface    3-Wire Serial
Voltage - Supply    2 V ~ 5.5 V
Voltage - Supply, Battery    2 V ~ 5.5 V
Current - Timekeeping (Max)    0.3µA ~ 1µA @ 2V ~ 5V
Mounting Type    Surface Mount
Package / 8-SOIC (0.209", 5.30mm Width)

  data sheet