CDP68HC68T1 Key Features
- 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
- Three independent interrupt modes: alarm, periodic or power-down sense