# TECHNAME.par --- Parameter file for GrayWolf
# NOTE:  all distance units are in centimicrons unless otherwise stated
# WARNING: this is NOT tcl syntax! No Comments on end of actual data line.

RULES
    # values are resistance in ohms/sq and capacitance in fF/um^2
    # TODO: properly pick directions
    layer metal1 0.105 0.0001 horizontal
    layer metal2 0.105 0.0001 vertical
#ifdef METALS4 || METALS5 || METALS6
    layer metal3 0.105 0.0001 horizontal
#endif
#ifdef METALS5 || METALS6
    layer metal4 0.105 0.0001 vertical
#endif
#ifdef METALS6
    layer metal5 0.105 0.0001 horizontal
#endif
#ifndef THICKMET
    layer metaltp 0.043 0.0001 horizontal
#endif
    via via12 metal1 metal2
#ifdef METALS4 || METALS5 || METALS6
    via via23 metal2 metal3
#endif
#ifdef METALS5 || METALS6
    via via34 metal3 metal4
#endif
#ifdef METALS6
    via via45 metal4 metal5
#endif
#ifdef THICKMET
#ifdef METALS4
    via viatk metal3 metaltk
#endif
#ifdef METALS5
    via viatk metal4 metaltk
#endif
#ifdef METALS6
    via viatk metal5 metaltk
#endif
#else (!THICKMET)
#ifdef METALS4
    via viatp metal3 metaltp
#endif
#ifdef METALS5
    via viatp metal4 metaltp
#endif
#ifdef METALS6
    via viatp metal5 metaltp
#endif
#endif (!THICKMET)

              # 0.5 um
    width metal1 50
    width metal2 60
              # 0.6 um
#ifdef METALS4 || METALS5 || METALS6
    width metal3 60
#endif
#ifdef METALS5 || METALS6
    width metal4 60
#endif
#ifdef METALS6
    width metal5 60
#endif
#ifdef THICKMET
    width metaltk 120
#else
    width metaltp 120
#endif

    # TODO verify these two numbers
    width via12 50
#ifdef METALS4 || METALS5 || METALS6
    width via23 50
#endif
#ifdef METALS5 || METALS6
    width via34 50
#endif
#ifdef METALS6
    width via45 50
#endif
#ifdef THICKMET
    width viatk 500
#else
    width viatp 120
#endif

    # Set spacing = track pitch - width, so that GrayWolf places pins
    # on the right pitch.
    # Pitches are (in um):
    # metal1 = 200,  metal2 = 160,  metal3 = 200,  metal4 = 320
## pitch m1: 1.3um  m2: 1.4um  m3: 1.3um
## width m1: 0.5um  m2: 0.6um  m3: 0.6um
## space     0.8        0.8        0.7     (pitch calc)
## fab-space 0.45       0.5        0.6

    spacing metal1 metal1 80
    spacing metal2 metal2 80
#ifdef METALS4 || METALS5 || METALS6
    spacing metal3 metal3 80
#endif
#ifdef METALS5 || METALS6
    spacing metal4 metal4 80
#endif
#ifdef METALS6
    spacing metal5 metal5 80
#endif
#ifdef THICKMET
    spacing metaltk metaltk 250
#else
    spacing metaltp metaltp 160
#endif

    # (WAS:) Stacked vias allowed
    # spacing via12 via23 0

    # To disable Stacked?: give non-zero spacing (centimicrons = 10 nanometer = 1/100 of micron)
    # TODO need real value here:
#ifdef METALS4 || METALS5 || METALS6
    spacing via12 via23 0
#endif
#ifdef METALS5 || METALS6
    spacing via23 via34 0
#endif
#ifdef METALS6
    spacing via34 via45 0
#endif
#ifdef THICKMET
#ifdef METALS4
    spacing via23 viatk 60
#endif
#ifdef METALS5
    spacing via34 viatk 60
#endif
#ifdef METALS6
    spacing via45 viatk 60
#endif
#else (!THICKMET)
#ifdef METALS4
    spacing via23 viatp 60
#endif
#ifdef METALS5
    spacing via34 viatp 60
#endif
#ifdef METALS6
    spacing via45 viatp 60
#endif
#endif (!THICKMET)

                       # .2um .15um
    overhang via12 metal1 20
    overhang via12 metal2 15

#ifdef METALS4 || METALS5 || METALS6
    overhang via23 metal2 20
    overhang via23 metal3 15
#endif
#ifdef METALS5 || METALS6
    overhang via34 metal3 14
    overhang via34 metal4 16
#endif
#ifdef METALS6
    overhang via45 metal4 14
    overhang via45 metal5 16
#endif
#ifdef THICKMET
#ifdef METALS4
    overhang viatk metal3 14
#endif
#ifdef METALS5
    overhang viatk metal4 14
#endif
#ifdef METALS6
    overhang viatk metal5 14
#endif
#else (!THICKMET)
#ifdef METALS4
    overhang viatp metal3 14
#endif
#ifdef METALS5
    overhang viatp metal4 14
#endif
#ifdef METALS6
    overhang viatp metal5 14
#endif
#endif

#ifndef THICKMET
    overhang viatp metaltp 16
#endif
ENDRULES

*vertical_wire_weight : 1.0
*vertical_path_weight : 1.0
*padspacing           : variable
*rowSep		      : 0.0   0
# Value 130:  Change to X track pitch for lower metal layers
*track.pitch	      : 46
*graphics.wait        : off
*last_chance.wait     : off
*random.seed	      : 12345
# TODO: proper track.pitch number above, plus feedThruWidth below

TWMC*chip.aspect.ratio : 1.0

# Value 46:  Minimum size fill cell (FILL1) width in centimicrons.
TWSC*feedThruWidth    : 46 layer 1
TWSC*do.global.route  : on
TWSC*ignore_feeds     : true
TWSC*call_row_evener  : true
TWSC*even_rows_maximally : true
# TWSC*no.graphics    : on

GENR*row_to_tile_spacing: 1
# GENR*numrows		: 6
GENR*flip_alternate_rows : 1