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HT6523 - PS/2 Mouse Controller

General Description

The HT6523 is a PS/2 compatible mouse controller IC.

Capable of driving up to 3 key-switches and 4 photo-couplers directly into a 6-pin connector line.

Key Features

  • Compatible with IBM PS/2 mouse.
  • Integrated oscillator circuit with external resistor.
  • 6MHz clock frequency.
  • Minimal external components.
  • Three key-switches and four photo-coupler inputs.
  • Supports test mode operation.
  • 16-pin DIP package General.

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Datasheet Details

Part number HT6523
Manufacturer Holtek Semiconductor Inc
File Size 125.14 KB
Description PS/2 Mouse Controller
Datasheet download datasheet HT6523 Datasheet

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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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HT6523 PS/2 Mouse Controller Features · Compatible with IBM PS/2 mouse · Integrated oscillator circuit with external resistor · 6MHz clock frequency · Minimal external components · Three key-switches and four photo-coupler inputs · Supports test mode operation · 16-pin DIP package General Description The HT6523 is a PS/2 compatible mouse controller IC. Capable of driving up to 3 key-switches and 4 photo-couplers directly into a 6-pin connector line. Pin Assignment N C 1 2 3 4 5 6 7 8 T E S T R E S E T O S C N C C L K D A T A V S S 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 V D D Y 2 Y 1 X 2 X 1 L B M B R B H T 6 5 2 3 1 6 D IP -A Pin Description Pin No.