Download HT818D0 Datasheet PDF
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HT818D0 Description

The HT818D0 is a single chip LOG-PCM voice synthesizer LSI with 22.4-second voice capacity at a 6kHz sampling rate. The chip when triggered drives a speaker through an external transistor with a current switch D/A converter output. Negligible current will be consumed in the standby state.

HT818D0 Key Features

  • Retriggerable
  • Non-retriggerable FLAG1 options
  • End-pulse output
  • 3HzB flash
  • 6HzB flash
  • Voice output indication
  • Busy output
  • FLAG2 options
  • 3Hz flash
  • 6Hz flash