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container_structure.md

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Container Structure

The file structure for DSN and OLB files is almost similar, DSN files only include a few more streams. The following list gives an overview of which streams are contained and where they are placed.

In front of each entry is a specifier placed that shows of which type the entry is. [D] represents a directory and [S] a stream (file). Directories are also bold. Cursive texts represent names that are provided by the designer. E.g. Package Name 1 might become NE555.

  • [S] AdminData (DSN only)
  • [S] BundleMapData
  • [S] Cache
  • [D] Cells
  • [S] Cells Directory
  • [D] CIS (since version ...?)
    • [D] CISSchematicStore
      • [S] CISSchematicStream
    • [D] VariantStore
      • [D] BOM
        • [S] BOMDataStream
        • [D] BOM Name 1
          • [S] BOMAmbugity
          • [S] BOMPartData
          • [S] BOM Name 1
      • [D] Groups
        • [S] GroupsDataStream
        • [D] Group Name 1
          • [S] Group Name 1
      • [S] VariantNames
  • [S] DsnStream (DSN only)
  • [D] ExportBlocks
  • [S] ExportBlocks Directory
  • [D] Graphics
    • [S] $Types$
    • [S] Graphic Name 1
    • [S] Graphic Name 2
    • [S] ...
  • [S] Graphics Directory
  • [S] HSObjects (DSN only)
  • [D] LayoutReuse (since version...?)
    • [S] ReuseSchematics
  • [S] Library
  • [S] NetBundleMapData (since version...?)
  • [D] Packages
    • [S] Package Name 1
    • [S] Package Name 2
    • [S] ...
  • [S] Packages Directory
  • [D] Parts
  • [S] Parts Directory
  • [D] Symbols
    • [S] $Types$
    • [S] ERC (DSN only)
    • [S] ERC_PHYSICAL (DSN only but optional)
    • [S] Symbol Name 1
    • [S] Symbol Name 2
    • [S] ...
  • [S] Symbols Directory
  • [D] Views
    • [D] View Name 1
      • [D] Hierarchy (DSN only)
        • [S] Hierarchy (DSN only)
      • [D] Pages
        • [S] Page Name 1
        • [S] Page Name 2
        • [S] ...
      • [S] Schematic
    • [D] View Name 2
    • [D] ...
  • [S] Views Directory

NetBundleMapData

The NetBundleMapData stream was introduced in later file format versions and contains the association of wires and busses to a net group. This structure is identified with 0x67.