• 24 bi-directional channel TTL-level I/O card
• i8255 controller chip

Block Diagram                  
PIN Assignment                  Circuitry

• Format: Non-isolated (positive logic)
  
• Input protection resistor: 33 Ohms (1 LS-TTL load)
  
• Output rating: +5 VDC 1mA (2LS-TTL loads)
  
• No. of channels: 24
  
• Type: Bi-directional TTL level (positive logic)
  
  

• No. of interrupts: 1 (software setting)
  
• Interrupt events: 2 (rising edges of PC0 and PC3)
  
  

• I/O address: Any 16-byte boundary
  
• Controller: i8255 PPI compatible
  
• Signal extension: 1.5 m
  
• Throughout rate: 200 nsec max.
  
• Power consumption: +5 VDC, 100 mA max.
  
• Card type: PCMCIA Ver. 2.0 (Type II)
  
• External card dimensions: PCMCIA type II
  
• Weight: 120g

• API-PAC(W32), API-DIO(98/PC)W95, API-DIO(PC)WIN, VI-DRIVER WIN
  
  

• DTP-3(PC), DTP-4(PC), EPD-37, 37-PIN CONNECTION KIT

• High speed TTL-level I/O (positive logic)
  
• 24 bi-directional channels, in 3 groups of 8
  
• I/O direction can be set by software
  
• Two input signals can generate an interrupt request signal
  
• Includes connection cable (300mm)