CDP68HC68T1 - CMOS Real-Time Clock

Datasheet Details

sec. , min. , hrs. (12/24, AM/PM), day of week, date, month, year, (0-99), auto leap year.
32-word x 8-bit RAM.
Seconds, minutes, hours alarm.
Automatic power loss detection.
Minimum standby (timekeeping) voltages: 2.2 volts.
Selectable crystal or 50/60-Hz line input.
Buffered clock output.
Battery input pin that powers oscillator and also connects to the Voo pin when main power fails.
Three independent interrupt modes: alar.

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