0 Replies Latest reply on Jul 22, 2011 7:57 AM by wangyl

    Spare cell that all input tie to VDD and output float, miss match in 40nm LVS


      Hi :

          I meet a issues in 40nm lvs design.

          My design is a 40nm digital design, in the design we have lot of spare cell have two input tie to VDD and only one output is float.

          The LVS report is not clean, the instance number is all matched. it is report like below.


           LAYOUT                                                SOURCE


           CELLA                                                ***No similar instance***

           A:net1                                                 ***No similar net***

           O:3                                                     ***NO simiar net****


         ***No similar instance***                          CELLA

         ***No similar net***                                 A:net2

         ***NO simiar net****                               O:unconnected


      Did we have soltion for this issues?

          Many thanks