Update Technology File

When importing information into a library where data exists, you have the following options for updating the technology database while importing information from an existing .sip file:

• Overwrite the top-level layout, import new components, and technology objects.
  The Layout (.sip/.mcm/.brd) is the default Import Mode while running File – Import – From Allegro. All the information present in the .sip file is imported into the target library. If the target library is already present, you can optionally overwrite existing components or skip existing components.
  
  When you make simple edits to the package layout, there is no need to recreate the techDB and all the components. Creating the techDB requires a lot of information and most of it is mapped to SiP. Therefore, recreating the techDB could result in loss of information.
• Overwrite only the technology information in the target library.
  In this mode, the Import Mode field is set to Technology information (.sip/.mcm/.brd). The top-level layout is not modified, but the technology and component information is updated.
• Import components represented as Allegro .dra files into the target library.
  A directory containing DRA files can be imported into the target library. In this mode, the Import Mode field is set to DRA files. After import, the components are available as 5.X cellviews in the target library and can be referenced in the package layout.

Related Topics

Create Technology File

Import Technology File

Constructs in the Technology File