M41T81S Description
9 2-wire bus characteristics . 14 Power-down time-stamp.
M41T81S Key Features
- Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century
- 32 KHz crystal oscillator with integrated load capacitance (12.5 pf) which provides exceptional oscillator stability and
- Oscillator stop detection (monitors clock operation)
- Serial interface supports I2C bus (400 kHz protocol)
- Ultra-low battery supply current of 0.6 µA (typ)
- 2.0 to 5.5 V clock operating voltage
- Automatic switchover and deselect circuitry (fixed reference) which provides full operation in 3.0 V
M41T81S Applications
- VCC = 2.7 to 5.5 V