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HT9020 Datasheet Call Progress Tone Decoder & Abr Controller

Manufacturer: Holtek Semiconductor

Overview: .. HT9020 Call Progress Tone Decoder & ABR Controller.

General Description

The HT9020 provides two modes;

Call progress tone decoder and Busy redial controller, to support the application fields.

Standard call progress tone decoder Busy redial controller This

Key Features

  • Low cost 32768Hz crystal Low power consumption Operating voltage: 2.5V to 5.5V (CPT mode) 2.0V to 5.5V (ABR mode) Call progress tone decoder.
  • Fully decoded tristate call progress status output.
  • Works with traditional precision or PBX call progress tones Busy redial controller.
  • Repeat times: 3, 10 or 15 times ( 2, 5, 15 times by mask option).
  • 4.65, 32.6 and 62.8 sec break time (16.3sec by mask option).

More Datasheets from Holtek Semiconductor

Part Number Description
HT9020B Call Progress Tone Detector
HT9142 FM IF Detector
HT9172 DTMF Receiver
HT9201A (HT9201A/B) Simple Tone Dialer
HT9201B (HT9201A/B) Simple Tone Dialer
HT9205A 5-Memory/6-Memory Tone/Pulse Dialer
HT9205B 5-Memory/6-Memory Tone/Pulse Dialer
HT9205C 5-Memory/6-Memory Tone/Pulse Dialer
HT9205D 5-Memory/6-Memory Tone/Pulse Dialer
HT9205K 5-Memory/6-Memory Tone/Pulse Dialer

HT9020 Distributor