LVS验证问题

lxm001 · 发表于 2023-4-16 18:16:09

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模块单独LVS 可以通过，三个相同模块级联之后LVS错误。连接错误。查看net都连接了
*************************************************************************************************************
                              INCORRECT OBJECTS
**************************************************************************************************************

LEGEND:
-------

  ne  = Naming Error (same layout name found in source
      circuit, but object was matched otherwise).

**************************************************************************************************************
                                 INCORRECT NETS

DISC#  LAYOUT NAME                                              SOURCE NAME
**************************************************************************************************************

  1 Net 4                                                    net011
   --- 15 Connections On This Net ---                      --- 20 Connections On This Net ---
   --------------------------                               --------------------------

   X0/X16/M0(31.330,43.675):s                               ** missing connection **
   X0/X15/M0(31.680,32.665):s                               ** missing connection **

   ** missing connection **                               XI4/MM138:b
   ** missing connection **                               XI4/MM138:s
   ** missing connection **                               XI4/MM102:b
   ** missing connection **                               XI4/MM101:b
   ** missing connection **                               XI4/MM137:b
   ** missing connection **                               XI4/MM137:s
   ** missing connection **                               XI4/MNM0:b

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

  2 Net 5                                                    net010
   --- 15 Connections On This Net ---                      --- 20 Connections On This Net ---
   --------------------------                               --------------------------

   X2/X16/M0(115.630,43.825):s                            ** missing connection **
   X2/X15/M0(115.980,32.815):s                            ** missing connection **

   ** missing connection **                               XI2/MM138:b
   ** missing connection **                               XI2/MM138:s
   ** missing connection **                               XI2/MM102:b
   ** missing connection **                               XI2/MM101:b
   ** missing connection **                               XI2/MM137:b
   ** missing connection **                               XI2/MM137:s
   ** missing connection **                               XI2/MNM0:b

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

  3 Net X0/10                                              XI2/net077
   --- 4 Connections On This Net ---                      --- 4 Connections On This Net ---
   --------------------------                               --------------------------

   X0/X14/M0(42.380,43.495):g                               ** missing connection **

   ** missing connection **                               XI2/MM102:g

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

  4 Net X0/11                                              XI2/net081
   --- 4 Connections On This Net ---                      --- 4 Connections On This Net ---
   --------------------------                               --------------------------

   X0/X13/M0(32.380,32.845):g                               ** missing connection **

   ** missing connection **                               XI2/MM101:g

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

  5 Net X2/10                                              XI4/net077
   --- 4 Connections On This Net ---                      --- 4 Connections On This Net ---
   --------------------------                               --------------------------

   X2/X14/M0(126.680,43.645):g                            ** missing connection **

   ** missing connection **                               XI4/MM102:g

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

  6 Net X2/11                                              XI4/net081
   --- 4 Connections On This Net ---                      --- 4 Connections On This Net ---
   --------------------------                               --------------------------

   X2/X13/M0(116.680,32.995):g                            ** missing connection **

   ** missing connection **                               XI4/MM101:g

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

  7 Net VDN                                                 VDN
   --- 41 Connections On This Net ---                      --- 31 Connections On This Net ---
   --------------------------                               --------------------------

   X2/X16/M0(115.630,43.825):b                            ** missing connection **
   X2/X15/M0(115.980,32.815):b                            ** missing connection **
   X2/X14/M0(126.680,43.645):b                            ** missing connection **
   X2/X13/M0(116.680,32.995):b                            ** missing connection **
   X2/M0(151.260,30.780):b                                  ** missing connection **
   X0/X16/M0(31.330,43.675):b                               ** missing connection **
   X0/X15/M0(31.680,32.665):b                               ** missing connection **
   X0/X14/M0(42.380,43.495):b                               ** missing connection **
   X0/X13/M0(32.380,32.845):b                               ** missing connection **
   X0/M0(66.960,30.630):b                                  ** missing connection **

ddlo999 · 发表于 2023-4-17 09:16:46

单独模块宣告hcell  (my_hcell) 試試    # calibre -spi lay.spi -hier -lvs -hcell my_hcell  lvs.cmd

my_hcell 內容如下
// ------------------------------------------------------
// HCELL lay_macro_name    sch_subckt_name
HCELL    cell1                      cell1

lxm001 · 发表于 2023-4-17 17:24:31

ddlo999 发表于 2023-4-17 09:16
单独模块宣告hcell (my_hcell) 試試 # calibre -spi lay.spi -hier -lvs -hcell my_hcell lvs.cmd
...

谢谢啦，我的问题解决了，是衬底接到第一级的一个管脚导致，后面级联后衬底不是0电位。中间的网络就呗重命名了

[求助] LVS验证问题

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