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工艺:smic65nm
encounter做完后,导出gds和.v,然后用.v生成.cdl
gds streamin layout library后用CALIBRE做LVS
总共289个错误(net:71,instances:218),里面竟然有VDD,VSS的错误
我就是按一般流程做下来的,
中间会什么原因导致这么多错误?该如何改,没有头绪.
CELL COMPARISON RESULTS ( TOP LEVEL )
# # #####################
# # # #
# # INCORRECT #
# # # #
# # #####################
Error: Different numbers of nets (see below).
Error: Different numbers of instances (see below).
Error: Connectivity errors.
Warning: Ambiguity points were found and resolved arbitrarily.
LAYOUT CELL NAME: COUNTERB
SOURCE CELL NAME: COUNTERB
--------------------------------------------------------------------------------------------------------------
INITIAL NUMBERS OF OBJECTS
--------------------------
Layout Source Component Type
------ ------ --------------
Ports: 5 5
Nets: 137 173 *
Instances: 137 128 * MN (4 pins)
137 128 * MP (4 pins)
------ ------
Total Inst: 274 256
NUMBERS OF OBJECTS AFTER TRANSFORMATION
---------------------------------------
Layout Source Component Type
------ ------ --------------
Ports: 5 5
Nets: 74 111 *
Instances: 13 13 MN (4 pins)
19 19 MP (4 pins)
1 1 SPDW_2_1 (4 pins)
1 1 SPUP_2_1 (4 pins)
3 3 SMN2 (4 pins)
35 37 * _invb (6 pins)
1 0 * _invx2v (4 pins)
9 9 _nand2b (7 pins)
1 1 _nand3b (8 pins)
3 3 _nor2b (7 pins)
6 6 _sdw3b (6 pins)
10 10 _smn2b (5 pins)
19 19 _sup2b (5 pins)
1 1 _xra2b (7 pins)
------ ------
Total Inst: 122 123
* = Number of objects in layout different from number in source.
**************************************************************************************************************
INFORMATION AND WARNINGS
**************************************************************************************************************
Matched Matched Unmatched Unmatched Component
Layout Source Layout Source Type
------- ------- --------- --------- ---------
Ports: 5 5 0 0
Nets: 69 69 5 42
Instances: 13 13 0 0 MN(NHVT12LL)
19 19 0 0 MP(PHVT12LL)
1 1 0 0 SPDW_2_1
1 1 0 0 SPUP_2_1
3 3 0 0 SMN2
35 35 0 2 _invb
0 0 1 0 _invx2v
9 9 0 0 _nand2b
1 1 0 0 _nand3b
3 3 0 0 _nor2b
6 6 0 0 _sdw3b
10 10 0 0 _smn2b
19 19 0 0 _sup2b
1 1 0 0 _xra2b
------- ------- --------- ---------
Total Inst: 121 121 1 2
o Statistics:
20 layout mos transistors were reduced to 2.
18 mos transistors were deleted by parallel reduction.
2 nets were matched arbitrarily.
o Initial Correspondence Points:
Ports: VDD VSS CLK RST_N TC_B
o Ambiguity Resolution Points:
(Each one of the following objects belongs to a group of indistinguishable objects.
The listed objects were matched arbitrarily by the Ambiguity Resolution feature of LVS.
Arbitrary matching may be prevented by assigning names to these objects or to adjacent nets).
Layout Source
------ ------
Nets
----
X140/12 Xcount_b_reg_5_/net43
X139/12 Xcount_b_reg_0_/net43 |
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