techGetViaStackLimit

techGetViaStackLimit(
d_techID
)
=> l_viaStackLimit / nil

Description

Returns the first viaStackingLimits constraint in the foundry constraint group in the specified technology database.

Arguments

d_techID

The database identifier of the technology database.

Value Returned

l_viaStackLimits

A list showing the via stack limit definition in the foundry constraint group of the specified technology database. If there are multiple via stack limit definitions, the function returns the first definition. The list has the following syntax:

( g_number [ tx_bottomLayer tx_topLayer ] )

nil

The technology database does not exist or no via stack limits are defined.

Example

techGetViaStackLimit(tfID)
=> (3  "Metal1"  "Metal5")

Returns the first via stack limit defined in the foundry constraint group in the technology database identified by tfID.

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Virtuoso Technology Data SKILL ReferenceProduct Version IC23.1, June 2023