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OCEAN is a comprehensive chip design package. It includes a full set of powerful tools for the synthesis and verification of semi-custom sea-of-gates and gate-array chips. OCEAN covers the back-end of the design trajectory: from circuit level, down to layout and a working chip. In a nutshell, OCEAN has the following features:

  • Available for free, including all source code.
  • Short learning curve making it suitable for student design courses.
  • Hierarchical (full-custom-like) layout style on sea-of-gates.
  • Powerful tools for placement, routing, simulation and extraction.
  • Any combination of automatic and interactive manual layout.
  • OCEAN can handle even the largest designs.
  • Running on popular HP, Sun and 386/486 PC machines, easy installation.
  • Includes three sea-of-gates images with libraries and a 200.000 transistor sea-of-gates chip.
  • Can be easily adapted to arbitrary images with any number of layers.
  • Interface programs for other tools and systems (SIS, cadence, etc.)
  • Elaborate users manual with hands-on tutorials.
  • Robust and 'combat-proven', used by hundreds of people.

Current Version:   August 1996

License Type:   GPL

Home Site:

Source Code Availability:   Yes

Available Binary Packages:

Targeted Platforms:

HP, Sun, SGI, PC/Linux

Software/Hardware Requirements:

X11R3 or up, 30MB disk space.

Other Links: (FTP site)

Mailing Lists/USENET News Groups:


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