LVS问题

Numb · 发表于 2012-6-12 15:38:03

马上注册，结交更多好友，享用更多功能，让你轻松玩转社区。

您需要登录才可以下载或查看，没有账号？注册

x

CELL COMPARISON RESULTS

               # #       ########################
               # #       #                   #
               #          #    NOT COMPARED    #
               # #       #                   #
               # #       ########################

  Error: Power net missing in layout. Ground net missing in layout.

LAYOUT CELL NAME:       AOI211HD2X
SOURCE CELL NAME:       AOI211HD2X

--------------------------------------------------------------------------------------------------------------

INITIAL NUMBERS OF OBJECTS
--------------------------

            Layout Source       Component Type
            ------ ------       --------------
Ports:             7       7

Nets:             12       10 *

Instances:       8       4 * MN (4 pins)
                  8       4 * MP (4 pins)
            ------ ------
Total Inst:       16       8

NUMBERS OF OBJECTS AFTER TRANSFORMATION
---------------------------------------

            Layout Source       Component Type
            ------ ------       --------------
Ports:             7       7

Nets:             7       7

Instances:       2       2       MN (4 pins)
                  0       1 * SPUP_2_1_1 (5 pins)
                  1       0 * SPMP_2_1_1 (6 pins)
                  1       1       _smn2v (4 pins)
            ------ ------
Total Inst:       4       4

   * = Number of objects in layout different from number in source.

目前做LVS，遇到如上所示的问题，整个设计中部分单元未进行比较，请问这是什么原因？
附部分CELL的比较结果，其中错误类型都与上面相同：
                                    CELL  SUMMARY
**************************************************************************************************************

  Result       Layout                      Source
  ----------- -----------                --------------
  CORRECT       AND2HD1X                   AND2HD1X
  CORRECT       AND2HD2X                   AND2HD2X
  CORRECT       AND2HD4X                   AND2HD4X
  CORRECT       AND2HDLX                   AND2HDLX
  CORRECT       AND3HD1X                   AND3HD1X
  CORRECT       AND3HD2X                   AND3HD2X
  CORRECT       AND3HD4X                   AND3HD4X
  CORRECT       AND3HDLX                   AND3HDLX
  CORRECT       AND4HD1X                   AND4HD1X
  CORRECT       AND4HD2X                   AND4HD2X
  CORRECT       AND4HDLX                   AND4HDLX
  NOT COMPARED AOI211HD1X                   AOI211HD1X
  NOT COMPARED AOI211HD2X                   AOI211HD2X
  NOT COMPARED AOI211HDLX                   AOI211HDLX
  CORRECT       AOI21B2HD1X                AOI21B2HD1X
  CORRECT       AOI21B2HD2X                AOI21B2HD2X
  CORRECT       AOI21B2HDLX                AOI21B2HDLX
  NOT COMPARED AOI21HD1X                   AOI21HD1X
  NOT COMPARED AOI21HD2X                   AOI21HD2X
  NOT COMPARED AOI21HD4X                   AOI21HD4X
  NOT COMPARED AOI21HDLX                   AOI21HDLX
  NOT COMPARED AOI221HD1X                   AOI221HD1X

icfbicfb · 发表于 2012-6-12 21:32:59

电源引起的问题，比如text没打， open，short等，

建议flat run下，

dianluxuexi · 发表于 2012-6-26 23:19:44

xuexi

chris_li · 发表于 2012-6-27 09:24:31

Calibre已经给出提示了：
Error: Power net missing in layout. Ground net missing in layout.

haha999 · 发表于 2012-6-28 08:38:31

部分std-cell电源地没连上吧

[求助] LVS问题

马上注册，结交更多好友，享用更多功能，让你轻松玩转社区。

相关帖子

站长推荐 /2