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HT93214 Datasheet 1-memory Tone/Pulse Dialer

Manufacturer: Holtek Semiconductor Inc

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Datasheet Details

Part number HT93214
Manufacturer Holtek Semiconductor Inc
File Size 194.70 KB
Description 1-memory Tone/Pulse Dialer
Download HT93214 Download (PDF)

General Description

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

Overview

HT93214 Series 1-memory Tone/Pulse Dialer.

Key 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.

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