Main Features

• Up to 192 (96 + 96) TTL digital I/O lines
• Emulates mode 0 of 8255 PPI
• Buffered circuits for higher driving capacity than 8255
• Multiple-source interrupt handling
• Interrupt output pin for simultaneously triggering external devices with the interrupt
• Output status read-back
• “Pattern match” and “Change of state” interrupt functions for critical I/O monitoring
• Keeps I/O setting and digital output values when hot system reset
• Supports dry contact and wet contact
• High-density 100-pin SCSI connector