M41T82 Overview
12 2.1 2-wire bus characteristics . 13 2.1.2 Start data transfer . 13 2.1.3 Stop data transfer.
M41T82 Key Features
- Ultra-low battery supply current of 365 nA
- Factory-calibrated accuracy of ±5 ppm typical
- Much better accuracies achievable using
- 2.0 V to 5.5 V clock operating voltage
- Counters for tenths/hundredths of seconds, seconds, minutes, hours, day, date, month, year, and century
- Automatic switchover and reset output circuitry (fixed reference)
- M41T83S: VCC = 3.00 V to 5.50 V
- M41T83R: VCC = 2.70 V to 5.50 V
- M41T83Z: VCC = 2.38 V to 5.50 V
- Serial interface supports I2C bus (400 kHz protocol)