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.

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