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HT8A978B Datasheet 5-function Remote Controller

Manufacturer: HOTCHIP

Overview: HT8A977B/978B 5-Function Remote Controller.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

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.

Key Features

  • HT8A977B works as encoder and HT8A978B works as decoder.
  • Five pins for five control functions.
  • Operating power-supply voltage: 2.5V to 5.0V (978B), 1.8V to 5.0V(977B).
  • Auto-power-off and oscillation-off if no press on any button (977B).
  • Press on any button to wake up (977B).
  • One output pin used for external power control (977B).
  • On-chip oscillator with an external resistor.
  • On-chip reversing amplifiers (978B).
  • Low operating current.
  • Few external.

More Datasheets from HOTCHIP

Part Number Description
HT8A977B 5-Function Remote Controller

HT8A978B Distributor