Converting existing libraries from CDB to OA

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Cadence IC 6.x moved to Open Access (OA) database. Old Cadence Data Base (CDB) libraries are no longer supported with new Cadence IC 6.x releases.

You need to convert your old libraries into OA format. Use the cdb2oa executable which comes with your Cadence IC 6.1.x installation,

<install dir>/tools/dfII/bin/cdb2oa

References:

https://www.cs.utah.edu/cadence/data/cdb2oa.pdf‎

Note
The most part of VLSI past designs (e.g. ToPix, ToPix_v2) at present is still in CDB format!