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HT93214 - 1-memory Tone/Pulse Dialer

Description

The HT93214 are dialer series designed for low cost telephone set applications with expandable

Features

  • Operating Voltage: 2.0V~5.5V.
  • Low standby current.
  • Low memory retention current: 0.1mA (Typ. ).
  • Tone/Pulse switchable.
  • 32 (pulse)/31 (tone) digits for redialing.
  • Pause and P ® T key for PBX.
  • 4´4 keyboard matrix.
  • 3.58MHz crystal or ceramic resonator.
  • Hand-free control Patent Number: 86474, 84545(R. O. C).
  • Pause, P ® T can be saved for redialing.
  • One-key redialing.
  • Keytone output.
  • Pause time: 2.2s.
  • Cascadable manual dialing after.

📥 Download Datasheet

Datasheet Details

Part number HT93214
Manufacturer Holtek Semiconductor Inc
File Size 194.70 KB
Description 1-memory Tone/Pulse Dialer
Datasheet download datasheet HT93214 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HT93214 Series 1-memory Tone/Pulse Dialer Features · Operating Voltage: 2.0V~5.5V · Low standby current · Low memory retention current: 0.1mA (Typ.) · Tone/Pulse switchable · 32 (pulse)/31 (tone) digits for redialing · Pause and P ® T key for PBX · 4´4 keyboard matrix · 3.58MHz crystal or ceramic resonator · Hand-free control Patent Number: 86474, 84545(R.O.C) · Pause, P ® T can be saved for redialing · One-key redialing · Keytone output · Pause time: 2.2s · Cascadable manual dialing after redialing · Calibrated DTMF timing for redialing · HT93214A: 16-pin DIP package HT93214B/AT: 18-pin DIP package General Description The HT93214 are dialer series designed for low cost telephone set applications with expandable features such as Lock function, keytone and LCD display interface.
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