M41T81 डाटा शीट PDF( Datasheet )

M41T81 Serial access real-time clock with alarm 8 1 SO8 8-pin SOIC Features  For all new designs use M41T81S  Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year,

M41T81S Serial access real-time clock (RTC) with alarms Features ■ Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century ■ 32 KHz crystal oscillator with