DS1339U-33

IC RTC CLK/CALENDAR I2C 8-USOP,                                            

Type    Clock/Calendar
Features    Alarm, Leap Year, Square Wave Output, Trickle-Charger
Time Format    HH:MM:SS (12/24 hr)
Date Format    YY-MM-DD-dd
Interface    I²C, 2-Wire Serial
Voltage - Supply    2.97 V ~ 5.5 V
Voltage - Supply, Battery    1.3 V ~ 3.7 V
Current - Timekeeping (Max)    200µA @ 5.5V
Mounting Type    Surface Mount
Package / 8-TSSOP,

  data sheet