techIsPrStackVia
techIsPrStackVia(
d_techID
tx_viaLayer1
tx_viaLayer2
)
=> t / nil
Description
Indicates whether the specified via layer pair is defined as stackable in the specified technology database. ASCII technology file location: foundry constraint group.
Arguments
|
d_techID
|
The database identifier of the technology database.
|
|
tx_viaLayer1
|
The first layer in the via layer pair.
Valid values: The layer name, the layer number
|
|
tx_viaLayer2
|
The second layer in the via layer pair.
Valid values: The layer name, the layer number
|
Value Returned
|
t
|
The specified via layer pair is defined as stackable in the foundry constraint group in the specified technology database.
|
|
nil
|
The technology database does not exist or the via layer pair is not defined as stackable in the foundry constraint group in the technology database.
|
Example
techIsPrStackVia(tfID "via" "via2")
=> t
The via/via2 layer pair is defined as stackable in the technology database identified by tfID.
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