Product Documentation
Virtuoso Technology Data Constraints Reference
Product Version IC23.1, November 2023

2-D Legacy Table

A 2-D legacy table without a default value, which is considered as a CDBA style table is shown below. 

constraintGroups(
 ( "foundry" nil
  spacingTables(
   ("minSpacing" "Metal0"
    (( "width" nil nil "length" nil nil ))
    (
      ((0.0 ">=")          ( 0.0 ">="))         0.084
      (( 0.055000 ">=")    ( 0.016000 ">="))    0.070000
      (( 0.116000 ">=")    ( 0.130000 ">="))    0.105000
      (( 0.126000 ">=")    ( 0.145000 ">="))    0.115000
      (( 0.035000 ">=")    ( 0.190000 ">="))    0.105000
      (( 0.060000 ">=")    ( 0.200000 ">="))    0.115000
      (( 0.090000 ">=")    ( 0.155000 ">="))    0.136000
      (( 0.116000 ">=")    ( 0.155000 ">="))    0.150000
    )
   )
  ) ;spacingTables
 ) ;foundry
) ;constraintGroups

When such a table is converted to an OA database, the table is populated as shown below: 

constraintGroups(
 ( "foundry" nil
  spacingTables(
   ("minSpacing" "Metal0"
    (( "width" nil nil "length" nil nil ))
    (
     (0.0 0.0     )    0.084
     (0.0 0.016   )    0.084
     (0.0 0.13    )    0.084
     (0.0 0.145   )    0.084
     (0.0 0.155   )    0.084
     (0.0 0.19    )    0.084
     (0.0 0.2     )    0.084
     (0.035 0.0   )    0.084
     (0.035 0.016 )    0.07
     (0.035 0.13  )    0.084
     (0.035 0.145 )    0.084
     (0.035 0.155 )    0.084
     (0.035 0.19  )    0.105
     (0.035 0.2   )    0.084
     (0.055 0.0   )    0.084
     (0.055 0.016 )    0.084
     (0.055 0.13  )    0.105
     (0.055 0.145 )    0.115
     (0.055 0.155 )    0.084
     (0.055 0.19  )    0.084
     (0.055 0.2   )    0.084
     (0.06 0.0    )    0.084
     (0.06 0.016  )    0.084
     (0.06 0.13   )    0.084
     (0.06 0.145  )    0.115
     (0.06 0.155  )    0.084
     (0.06 0.19   )    0.084
     (0.06 0.2    )    0.115
     (0.09 0.0    )    0.084
     (0.09 0.016  )    0.084
     (0.09 0.13   )    0.084
     (0.09 0.145  )    0.084
     (0.09 0.155  )    0.136
     (0.09 0.19   )    0.084
     (0.09 0.2    )    0.084
     (0.116 0.0   )    0.084
     (0.116 0.016 )    0.084
     (0.116 0.13  )    0.084
     (0.116 0.145 )    0.084
     (0.116 0.155 )    0.084
     (0.116 0.19  )    0.084
     (0.116 0.2   )    0.084
     (0.126 0.0   )    0.084
     (0.126 0.016 )    0.084
     (0.126 0.13  )    0.084
     (0.126 0.145 )    0.084
     (0.126 0.155 )    0.084
     (0.126 0.19  )    0.084
     (0.126 0.2   )    0.084
    )
   )
  ) ;spacingTables
 ) ;foundry
) ;constraintGroups

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