Can u tell that in pcb editor how was the footprint is been created and saved????
since me using the Orcad 16.0..
*In datasheet search for a recommended library*Open pad designer *Enter the pad-width and pad length as in recommended datasheet*Add 6mil(0.1524mm) to regular pad and enter that value to solderer-mask field*Paste-mask valvue should be same as regular pad*Now save this pad stack in one folder*Now open the Pcb editor*FILE-NEW-SYMBOL DRAWING*Enter the symbol name*Now SETUP-USER PREFERENCE-DESIGN PATH'S*Here select the PSM Path $PAD path (select the folder path in which you saved the padstack)*Now clik on ADD PIN--in the option tab --select the padstack---enter required pitch $other values---click on the location,where u want add the pins*After adding the pin , Draw the Outline in both Package geometry/Assembly&Silkscreen class*After that ADD SHAPE in package geometry/PLACEBOND TOP then click on that SHAPE and in the option tab enter the MAXIMUM HEIGHT value of the component*Then ADD-TEXT--in the OPTION TAB----slect REFFDES/SILKSCREEN TOP (Repeat the same step for assembly top)
There is a youtube video that might help. You need to design a Padstack first:- http://www.youtube.com/watch?v=nqbZKkcvmOk&feature=plcp then design your package symbol (footprint). http://www.youtube.com/watch?v=wfCM0Ho8IE0&feature=plcp