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刚用一个smic0.18的小设计学做LVS，发现pad上出现了如下问题：
CELL COMPARISON RESULTS
# # #####################
# # # #
# # INCORRECT #
# # # #
# # #####################
Error: Connectivity errors.
LAYOUT CELL NAME: PSBI2F
SOURCE CELL NAME: PSBI2F
--------------------------------------------------------------------------------------------------------------
INITIAL NUMBERS OF OBJECTS
--------------------------
Layout Source Component Type
------ ------ --------------
Ports: 12 12
Nets: 101 76 *
Instances: 143 58 * MN (4 pins)
141 60 * MP (4 pins)
4 4 R (2 pins)
8 7 * D (2 pins)
------ ------
Total Inst: 296 129
NUMBERS OF OBJECTS AFTER TRANSFORMATION
---------------------------------------
Layout Source Component Type
------ ------ --------------
Ports: 12 12
Nets: 60 60
Instances: 23 23 MN (4 pins)
31 31 MP (4 pins)
4 4 R (2 pins)
7 7 D (2 pins)
1 1 SMN2 (4 pins)
1 1 SMP2 (4 pins)
11 11 _invv (4 pins)
2 2 _invx3v (4 pins)
2 2 _nand2v (5 pins)
1 1 _nor2v (5 pins)
5 5 _sdw2v (4 pins)
2 2 _sup2v (4 pins)
------ ------
Total Inst: 90 90
* = Number of objects in layout different from number in source.
**************************************************************************************************************
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 VSSH VSSH
-------------------------- --------------------------
--- Incorrect Devices On This Net ---
(_sdw2b) (_sdw2v)
in1: X214/13 in2: NET32
in2: 57 in1: NET19
out1: P out1: P
out2: VSSH out2: VSSH
Devices:
X214/M37(36.190,3.220) MN(N33) XI1/MN64 MN(N33)
X214/M35(35.510,3.220) MN(N33) XI1/MN65 MN(N33)
(_sdw2b) (_sdw2v)
in1: 28 in2: NET22
in2: X214/13 in1: NET32
out1: P out1: P
out2: VSSH out2: VSSH
Devices:
X214/M36(35.510,39.240) MN(N33) XI1/MN42 MN(N33)
X214/M38(36.190,39.240) MN(N33) XI1/MN43 MN(N33)
X214/M18(13.925,73.605) MN(N33) XI0/MN16 MN(N33)
g: VDDH g: VDDH
s: X214/15 d: XI0/NET204
d: VSSH s: VSSH
b: GND ** GND **
** VSSH ** b: VSSH
看report应该是GND/VSSH（分别为内核和IO的地）识别有问题，在版图上它们不应该是连在一起的吗？请问像这种问题应该如何处理？请各位大侠指教 |
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发表于 2013-2-28 16:35:58
