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HT9205B Datasheet 5-memory/6-memory Tone/pulse Dialer

Manufacturer: Holtek Semiconductor

Overview: HT9205A/B/C/D/K 5-Memory/6-Memory Tone/Pulse Dialer.

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

General Description

The HT9205 series tone/pulse dialers are CMOS LSIs for the telemunication system.

They are designed to meet various dialing specifications through resistor options matrix.

The HT9205 series tone/pulse dialers are offered in various packages

Key Features

  • Universal specification.
  • Operating voltage: 2.0V~5.5V.
  • Low stand-by current.
  • Low memory retention current: 0.1µA (Typ. ).
  • Tone/pulse switchable.
  • Interface with LCD driver.
  • 32 digits for redialing.
  • 32 digits for the SA memory dialing.
  • One-key redialing.
  • Pause and P→T key for PBX.
  • 4×5 keyboard matrix.
  • 3.58MHz crystal or ceramic resonator.
  • Hand-free control.
  • Hold-line contr.

More Datasheets from Holtek Semiconductor

Part Number Description
HT9205A 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
HT9201A (HT9201A/B) Simple Tone Dialer
HT9201B (HT9201A/B) Simple Tone Dialer
HT92112 Low Power OPAMP
HT92122 Low Power OPAMP
HT9231 Operation Amplifier
HT9232 Operation Amplifier

HT9205B Distributor