– Real-time clock (RTC) counts seconds,
minutes, hours, date of the month, month, day
of the week, and year with leap-year
compensation valid up to 2100
– 56-byte, battery-backed, nonvolatile (NV)
RAM for data storage
– Two-wire serial interface
– Programmable squarewave output signal
– Automatic power-fail detect and switch
circuitry
– Consumes less than 500nA in battery backup
mode with oscillator running
– Optional industrial temperature range:
-40°C to +85°C
– Available in 8-pin DIP or SOIC
– Underwriters Laboratory (UL) recognized