PT8A9781DE Key Features
- PT8A977B works as encoder and PT8A9781 works as decoder
- Four control functions
- Operating power-supply voltage: 1.8V to 5.0V(977B) 1.0V to 1.5V (9781)
- Auto-power-off and oscillation-off if no press on any button (977B)
- Press on any button to wake up (977B)
- On-chip oscillator with an external resistor (977B)
- On-chip oscillator with an external resistor and capacitor (9781)
- On-chip amplifiers (9781)
- Low operating current
- Few external ponents needed