DC-WG: mixed signal physical constra_int_s


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}



This archive was generated by hypermail 2b28 : Tue Jul 25 2000 - 00:20:47 PDT