M41T81S clock equivalent, serial access real-time clock.
* Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century
* 32 KHz crystal oscillator with integrated load capacit.
* VCC = 2.7 to 5.5 V
* 2.5 V ≤ VPFD ≤ 2.7 V
* Power-down time-stamp (HT bit) which allows
determination of .
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2 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2-wire bus characteristics . . . . ..
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