• 144 Channel TTl level bi-directional board
• Six 8255 PPIs on-board
• Supports PPI mode 0 to 2

PIN Assignment & Etc

• No. of channels: 144
  
• Type: Bi-Directional TTL level (positive logic)
  
• I/O interface: Six programmable peripheral interface Ics
  
• I/O signal level: LS-TTL
  
• Fanout capacity: 2 LS-TTL loads (0.8mA)
  
• Programmable mode: 8255A PPI Mode 0 to Mode 2
  
  

• Interrupts: C3 of Port C can generate an interrupt to IRQ 3-7 and 9 (6 max)
  
• Throughput rate: 200 µsec max.
  
• I/O address: Any 32-byte boundary
  
• Base address: Dip switch selectable
  
• Power consumption: +5 VDC 1600mA max.
  
• Connector: x6 50-pin opto-22 compatible connectors
  
• Operating temperature: 0 to 50°C
  
• Relative Humidity: 20 to 90% (no condensation)
  
• Dimensions: 6.3" x 4.8" (160mm x 122mm

Accessories
STP-50H(98)
SCP-50H(98)
PSD-50(98)J

• 144 fully programmable bi-directional TTL level digital I/Os
  
• Six LSI i8255A chips
  
• Operates in i8255A modes 0,1,2