Subject: DC-WG: mixed signal physical constra_int_s
From: Simon M. C. Butler (sbutler@cadence.com)
Date: Tue Jul 25 2000 - 00:17:17 PDT
hi,
as per our discussion last week i enclose an example analog
style, physical constraint dcdl example.
appreciate some feedback.
kind regards,
Simon Butler
-- Simon M. C. Butler. sbutler@cadence.com --
current_scope -lib libNm -cell cellname -view viewNm
net_priority -constraintName _string_
-netNm _string_ -priority _int_
line_width -constraintName _string_ -netNm _string_
-width _float_
# 2 nets cannot cross
nocross_nets -constraintName _string_ -netPair _list_
-clearance _float_ -depth _int_
differential_pair_net -netPair _list_ -gap _float_
# min/max irDrop
irdrop_max_min -maxMin _floatList_ -netName _string_
# tandem shield
tandem_shield_use_net -netPair _list_ -overhang _float_
# parallel shield
parallel_shield_use_net -netNm _string_ -gap _string_ -width _string_
# min and max coords from ref po_int_
distance -constraintName _string_
-maxX _float_ -maxY _float_
-minX _float_ -minY _float_
-refX _float_ -refY _float_ {instList}
# align instances
align_insts -constraintName _string_ -refOrient _string_
-alignHandle _string_ -alignLayer _string_
-ordered boolean {instList}
# group instances
group -constraintName _string_ -preserveRelative boolean
-fenceBboxLayerPair _list_ {instList}
# define symmetrical relationships betw instances
symmetry -constraintName _string_ -centerPt _float_
-symmetry _string_ {instList}
# common centroid symmetry
centroid -constraintName _string_ -centerPt _float_
-instList+symmetry _list_
# intergitation
_int_erdig -constraintName _string_
-inputOrdering _string_ {instList}
# a fixed x/y/orient constra_int_ betw 2 instances relative to a handle
fixed -constraintName _string_
-xcoord _float_ -yCoord _float_
-orient _string_ -refHandle _string_ {instList}
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