innovus导出gds后lvs存在错误该怎么解决？

dddddyx · 发表于 2023-11-20 19:26:03

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考虑时钟走线问题，我就把几个子模块一起放top整体综合了，子模块都能过，但是整个就有问题。
我重复例化了好几个子模块c，只有第一个的SEL_CNT信号有问题，我把第一个例化注释掉就没有这个错误了。

Discrepancy #1 in channel
Net VDD                                                 VDD
--- 8532 Connections On This Net ---                   --- 8546 Connections On This Net ---
--------------------------                               --------------------------
** missing connection **                               (_sdw3v):in3
                                                         Xinst_d_d7_reg/MM7:g
** missing connection **                               (_sup2v):in2
                                                         Xinst_d_d7_reg/MM8:g
** missing connection **                               (_sdw3v):in3
                                                         Xinst_d_d2_reg/MM7:g
** missing connection **                               (_sup2v):in2
                                                         Xinst_d_d2_reg/MM8:g
** missing connection **                               (_sdw3v):in3
                                                         Xinst_d_d6_reg/MM7:g
** missing connection **                               (_sup2v):in2
                                                         Xinst_d_d6_reg/MM8:g
** missing connection **                               (_sdw3v):in3
                                                         Xinst_d_d4_reg/MM7:g
** missing connection **                               (_sup2v):in2
                                                         Xinst_d_d4_reg/MM8:g
** missing connection **                               (_sdw3v):in3
                                                         Xinst_d_d5_reg/MM7:g
** missing connection **                               (_sup2v):in2
                                                         Xinst_d_d5_reg/MM8:g
** missing connection **                               (_sdw3v):in3
                                                         Xinst_d_d1_reg/MM7:g
** missing connection **                               (_sup2v):in2
                                                         Xinst_d_d1_reg/MM8:g
** missing connection **                               (_sdw3v):in3
                                                         Xinst_d_d3_reg/MM7:g
** missing connection **                               (_sup2v):in2
                                                         Xinst_d_d3_reg/MM8:g
Discrepancy #2 in channel
Net SEL_CNT                                              SEL_CNT
--- 102 Connections On This Net ---                      --- 96 Connections On This Net ---
--------------------------                               --------------------------
(SPDW_2_1_1):input                                     ** missing connection **
  X1508/X1/M0(16.365,273.830):g
(SPUP_2_1):input                                        ** missing connection **
  X1797/M6(17.375,268.935):g
(_smn2v):in2                                           ** missing connection **
  X1797/M2(17.455,267.555):g
(_sup2v):in1                                           ** missing connection **
  X1508/X1/M4(16.315,275.865):g
(_nand2v):in1                                           ** missing connection **
  X1523/M5(9.305,271.565):g
  X1523/M1(9.480,273.145):g
(_nand2v):in2                                           ** missing connection **
  X1508/X0/M3(17.585,275.355):g
  X1508/X0/M1(17.705,274.200):g
(_invv)

ut                                              ** missing connection **
  X2156/M14(13.695,273.730):s
  X2156/M28(13.695,275.220):s
** missing connection **                               (SPUP_2_2):input
                                                         Xg13331/MM0:g

子模块d都多一条线，看了下是这个输入线

Discrepancy #3 in channel
Net 1882                                                 ** no similar net **
Discrepancy #4 in channel
Net 1883                                                 ** no similar net **
Discrepancy #5 in channel
Net 1884                                                 ** no similar net **
Discrepancy #6 in channel
Net 1885                                                 ** no similar net **
Discrepancy #7 in channel
Net 1886                                                 ** no similar net **
Discrepancy #8 in channel
Net X2710/D                                              ** no similar net **
Discrepancy #9 in channel
Net X2711/D                                              ** no similar net **

#####incorrect instance:

Discrepancy #11 in channel
(SPUP_2_1)                                              ** missing gate **
Transistors:
  X1797/M4(16.440,268.935)  MP(P12)
  X1797/M5(16.865,268.935)  MP(P12)
  X1797/M6(17.375,268.935)  MP(P12)

Discrepancy #12 in channel
** missing gate **                                     (SPUP_2_2)
                                                      Transistors:
                                                         Xg13331/MM7  MP(P12)
                                                         Xg13331/MM5  MP(P12)
                                                         Xg13331/MM8  MP(P12)
                                                         Xg13331/MM0  MP(P12)