■ Counters for seconds, minutes, hours, day, date, month, years and century
■ 32 KHz crystal oscillator integrating load capacitance (12.5 pF) providing exceptional oscillator stability and high crystal series resistance operation
■ Serial interface supports I2C bus (100 kHz protocol)
■ Ultra-low battery supply current of 0.8 µA (typ. at 3 V)
■ 2.0 to 5.5 V clock operating voltage
■ Automatic switchover and deselect circuitry
■ 56 bytes of general purpose RAM
■ Software clock calibration to compensate crystal deviation due to temperature
■ Automatic leap year compensation
■ Operating temperature of –40 to 85°C
■ Packaging includes a 28-lead SOIC and SNAPHAT® top (to be ordered separately; 3.3 V to 5.0 V supply voltage only)
■ RoHS compliant
– Lead-free second level interconnect