HT8A978B Overview
The HT8A977B and HT8A978B provide plete control functions to the remote-controlled toy. The HT8A977B has five input pins corresponding with the five function buttons i.e, forward, backward, rightward, leftward and turbo. The encoding circuit in the HT8A977B sends digital codes to the two output pins SO and SC.
HT8A978B Key Features
- HT8A977B works as encoder and HT8A978B works as decoder
- Five pins for five control functions
- Auto-power-off and oscillation-off if no press
- Press on any button to wake up (977B)
- One output pin used for external power
- On-chip oscillator with an external resistor
- On-chip reversing amplifiers (978B)
- Low operating current
- Few external ponents needed
- Package: 14-pin DIP, 14-pin SOIC, 16-pin