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Orcad Capture schematic symbol, footprint and netlist

Jrigbi

Hi,

I'm new to the Orcad capture and I'm designing a schematic. I understand that first I need to create schematic, assign a footprint to them in order to generate the netlist and then design the pcb in orcad PCB editor or Allegro,

My confusion lies in assigning a footprint to each component. What happens if I dont assign footprint to each componet and try to generate the netlist? (I guess that wont work.).For SMD components like Resistor and capcitor I found the library called smc0805 or smc1206 and i assigned it to Res and Caps.  Now orcad doesnt provide footprint for all the different IC pacakges. So one should create its own pcb footprint library (using orcad PCB editor or allegro) and then assign to the schematic symbol. Is that right? 

Is orcad PCB editor and Allegro PCB tool same or different ? Is layout is obsolete tool in Orcad 16.6? I'm confused between all these tools. Please help

  • oldmouldy
    You need a footprint and the Numbered Pins on the Schematic Part need to exactly match the Pin Numbers on the footprint symbol, unless you use the NC property, comma separated list of pin numbers, attached to the schematic symbol to account for unused pins. Yes, you need to create the footprints, or many vendors supply footprints using tools like UltraLibrarian Reader (free, multi-format support), for example, that can create in the required format if the "raw" binary format is not supplied. Both PCB Editor tools run the same allegro.exe, the functionality that you then get is determined by the license that the exe is started from. The "old" OrCAD Layout tool completed the EOL process in March 2009.
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