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HT9205K Datasheet 5-Memory/6-Memory Tone/Pulse Dialer

Manufacturer: Holtek Semiconductor

Download the HT9205K datasheet PDF. This datasheet also includes the HT9205A variant, as both parts are published together in a single manufacturer document.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HT9205A-HoltekSemiconductor.pdf) that lists specifications for multiple related part numbers.

General Description

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

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

The HT9205 series tone/pulse dialers are offered in various packages from 18 DIP to 24 SDIP.

Overview

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

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
HT9205B 5-Memory/6-Memory Tone/Pulse Dialer
HT9205C 5-Memory/6-Memory Tone/Pulse Dialer
HT9205D 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