Description
The PT8A977B and PT8A9781 provide a complete control functions to the remote-controlled toy.
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 operat.
PT8A9781DE_PericomSemiconductorCorporation.pdf