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Magic Mailing List |
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From: R. Timothy Edwards (tim AT stravinsky DOT jhuapl.edu) Date: Tue Feb 04 2003 - 10:14:05 EST
Dear Brad,
> Is there a way to import GDSII/Calma that is created
> on a 1nm grid? Since scalefactor only takes integers,
> the minimum design grid is only 10nm.
Magic versions 7.1 and 7.2 support nanometer-scale input. The
technology file needs the keyword "nanometers" in the CIF input
section. For instance, for the Chartered .13 micron process (lambda
= 0.065), I have, in cifinput and cifoutput sections:
style lambda=0.065(chartered)
scalefactor 65 calmaonly nanometers
.
.
.
Note that when using the "nanometers" keyword, all dimensions in
the CIF sections are in units of nanometers, not centimicrons.
Also note that magic version 7.1 supports nanometer dimensions
ONLY for GDS input and output, but version 7.2 supports nanometer
dimensions for both GDS and CIF input and output (version 7.2
ignores the keyword "calmaonly" in the example above).
There is also something in the documentation about scalefactors
having to be even numbers for CIF input/output; this restriction
was not necessary from version 6.4 or 6.5, but the restriction was
not lifted until version 7.1.
Regards,
Tim
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