tech/sky130_fd_sc_ls.tlef - skywater-pdk/libs/sky130_fd_sc_ls - Git at Google

 # Copyright 2020 The SkyWater PDK Authors
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #     https://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #
 # SPDX-License-Identifier: Apache-2.0

 VERSION 5.7 ;

 BUSBITCHARS "[]" ;
 DIVIDERCHAR "/" ;

 UNITS
   TIME NANOSECONDS 1 ;
   CAPACITANCE PICOFARADS 1 ;
   RESISTANCE OHMS 1 ;
   DATABASE MICRONS 1000 ;
 END UNITS

 MANUFACTURINGGRID 0.005 ;

 PROPERTYDEFINITIONS
   LAYER LEF58_TYPE STRING ;
 END PROPERTYDEFINITIONS

 # Standard density, single height
 SITE unit
   SYMMETRY Y ;
   CLASS CORE ;
   SIZE 0.48 BY 3.33 ;
 END unit

 # Standard density, double height
 SITE unitdbl
   SYMMETRY Y ;
   CLASS CORE ;
   SIZE 0.48 BY 6.66 ;
 END unitdbl

 LAYER nwell
   TYPE MASTERSLICE ;
   PROPERTY LEF58_TYPE "TYPE NWELL ;" ;
 END nwell

 LAYER pwell
   TYPE MASTERSLICE ;
   PROPERTY LEF58_TYPE "TYPE PWELL ;" ;
 END pwell

 LAYER li1
   TYPE ROUTING ;
   DIRECTION VERTICAL ;

   PITCH 0.48 ;
   MINWIDTH 0.17 ;

   WIDTH 0.17 ;          # LI 1
   # SPACING  0.17 ;     # LI 2
   SPACINGTABLE
      PARALLELRUNLENGTH 0
      WIDTH 0 0.17 ;
   AREA 0.0561 ;         # LI 6
   THICKNESS 0.1 ;
   EDGECAPACITANCE 40.697E-6 ;
   CAPACITANCE CPERSQDIST 36.9866E-6 ;
   RESISTANCE RPERSQ 12.2 ;

   ANTENNADIFFSIDEAREARATIO PWL ( ( 0 75 ) ( 0.0125 75 ) ( 0.0225 85.125 ) ( 22.5 10200 ) ) ;
 END li1

 LAYER mcon
   TYPE CUT ;

   WIDTH 0.17 ;                # Mcon 1
   SPACING 0.19 ;              # Mcon 2
   ENCLOSURE BELOW 0 0 ;       # Mcon 4
   ENCLOSURE ABOVE 0.03 0.06 ; # Met1 4 / Met1 5

   ANTENNADIFFAREARATIO PWL ( ( 0 3 ) ( 0.0125 3 ) ( 0.0225 3.405 ) ( 22.5 408 ) ) ;
   DCCURRENTDENSITY AVERAGE 0.36 ; # mA per via Iavg_max at Tj = 90oC

 END mcon

 LAYER met1
   TYPE ROUTING ;
   DIRECTION HORIZONTAL ;

   PITCH 0.37 ;
   MINENCLOSEDAREA 0.14 ;
   MINWIDTH 0.14 ;

   WIDTH 0.14 ;                     # Met1 1
   # SPACING 0.14 ;                 # Met1 2
   # SPACING 0.28 RANGE 3.001 100 ; # Met1 3b
   SPACINGTABLE
      PARALLELRUNLENGTH 0
      WIDTH 0 0.14
      WIDTH 3 0.28 ;
   AREA 0.083 ;                     # Met1 6
   THICKNESS 0.35 ;

   ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;

   EDGECAPACITANCE 40.697E-6 ;
   CAPACITANCE CPERSQDIST 25.7784E-6 ;
   DCCURRENTDENSITY AVERAGE 2.8 ; # mA/um Iavg_max at Tj = 90oC
   ACCURRENTDENSITY RMS 6.1 ; # mA/um Irms_max at Tj = 90oC

   RESISTANCE RPERSQ 0.125 ;
 END met1

 LAYER via
   TYPE CUT ;
   WIDTH 0.15 ;                  # Via 1a
   SPACING 0.17 ;                # Via 2
   ENCLOSURE BELOW 0.055 0.085 ; # Via 4a / Via 5a
   ENCLOSURE ABOVE 0.055 0.085 ; # Met2 4 / Met2 5

   ANTENNADIFFAREARATIO PWL ( ( 0 6 ) ( 0.0125 6 ) ( 0.0225 6.81 ) ( 22.5 816 ) ) ;
   DCCURRENTDENSITY AVERAGE 0.29 ; # mA per via Iavg_max at Tj = 90oC
 END via

 LAYER met2
   TYPE ROUTING ;
   DIRECTION VERTICAL ;

   PITCH 0.48 ;
   MINENCLOSEDAREA 0.14 ;
   MINWIDTH 0.14 ;

   WIDTH 0.14 ;                        # Met2 1
   # SPACING  0.14 ;                   # Met2 2
   # SPACING  0.28 RANGE 3.001 100 ;   # Met2 3b
   SPACINGTABLE
      PARALLELRUNLENGTH 0
      WIDTH 0 0.14
      WIDTH 3 0.28 ;
   AREA 0.0676 ;                       # Met2 6
   THICKNESS 0.35 ;

   EDGECAPACITANCE 37.759E-6 ;
   CAPACITANCE CPERSQDIST 16.9423E-6 ;
   RESISTANCE RPERSQ 0.125 ;
   DCCURRENTDENSITY AVERAGE 2.8 ; # mA/um Iavg_max at Tj = 90oC
   ACCURRENTDENSITY RMS 6.1 ; # mA/um Irms_max at Tj = 90oC
   ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;
 END met2

 # ******** Layer via2, type routing, number 44 **************
 LAYER via2
   TYPE CUT ;
   WIDTH 0.2 ;                   # Via2 1
   SPACING 0.2 ;                 # Via2 2
   ENCLOSURE BELOW 0.04 0.085 ;  # Via2 4
   ENCLOSURE ABOVE 0.065 0.065 ; # Met3 4
   ANTENNADIFFAREARATIO PWL ( ( 0 6 ) ( 0.0125 6 ) ( 0.0225 6.81 ) ( 22.5 816 ) ) ;
   DCCURRENTDENSITY AVERAGE 0.48 ; # mA per via Iavg_max at Tj = 90oC
 END via2

 LAYER met3
   TYPE ROUTING ;
   DIRECTION HORIZONTAL ;

   PITCH 0.74 ;
   MINWIDTH 0.3 ;

   WIDTH 0.3 ;              # Met3 1
   # SPACING 0.3 ;          # Met3 2
   SPACINGTABLE
      PARALLELRUNLENGTH 0
      WIDTH 0 0.3
      WIDTH 3 0.4 ;
   AREA 0.24 ;              # Met3 6
   THICKNESS 0.8 ;

   EDGECAPACITANCE 40.989E-6 ;
   CAPACITANCE CPERSQDIST 12.3729E-6 ;
   RESISTANCE RPERSQ 0.047 ;
   DCCURRENTDENSITY AVERAGE 6.8 ; # mA/um Iavg_max at Tj = 90oC
   ACCURRENTDENSITY RMS 14.9 ; # mA/um Irms_max at Tj = 90oC

   ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;
 END met3

 LAYER via3
   TYPE CUT ;
   WIDTH 0.2 ;                   # Via3 1
   SPACING 0.2 ;                 # Via3 2
   ENCLOSURE BELOW 0.06 0.09 ;   # Via3 4 / Via3 5
   ENCLOSURE ABOVE 0.065 0.065 ; # Met4 3
   ANTENNADIFFAREARATIO PWL ( ( 0 6 ) ( 0.0125 6 ) ( 0.0225 6.81 ) ( 22.5 816 ) ) ;
   DCCURRENTDENSITY AVERAGE 0.48 ; # mA per via Iavg_max at Tj = 90oC
 END via3

 LAYER met4
   TYPE ROUTING ;
   DIRECTION VERTICAL ;

   PITCH 0.96 ;
   MINWIDTH 0.3 ;

   WIDTH 0.3 ;             # Met4 1
   # SPACING  0.3 ;             # Met4 2
   SPACINGTABLE
      PARALLELRUNLENGTH 0
      WIDTH 0 0.3
      WIDTH 3 0.4 ;
   AREA 0.24 ;              # Met4 4a

   THICKNESS 0.8 ;

   EDGECAPACITANCE 36.676E-6 ;
   CAPACITANCE CPERSQDIST 8.41537E-6 ;
   RESISTANCE RPERSQ 0.047 ;
   DCCURRENTDENSITY AVERAGE 6.8 ; # mA/um Iavg_max at Tj = 90oC
   ACCURRENTDENSITY RMS 14.9 ; # mA/um Irms_max at Tj = 90oC

   ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;
 END met4

 LAYER via4
   TYPE CUT ;

   WIDTH 0.8 ;                 # Via4 1
   SPACING 0.8 ;               # Via4 2
   ENCLOSURE BELOW 0.19 0.19 ; # Via4 4
   ENCLOSURE ABOVE 0.31 0.31 ; # Met5 3
   ANTENNADIFFAREARATIO PWL ( ( 0 6 ) ( 0.0125 6 ) ( 0.0225 6.81 ) ( 22.5 816 ) ) ;
   DCCURRENTDENSITY AVERAGE 2.49 ; # mA per via Iavg_max at Tj = 90oC
 END via4

 LAYER met5
   TYPE ROUTING ;
   DIRECTION HORIZONTAL ;

   PITCH 3.33 ;
   MINWIDTH 1.6 ;

   WIDTH 1.6 ;            # Met5 1
   #SPACING  1.6 ;        # Met5 2
   SPACINGTABLE
      PARALLELRUNLENGTH 0
      WIDTH 0 1.6 ;
   AREA 4 ;               # Met5 4

   THICKNESS 1.2 ;

   EDGECAPACITANCE 38.851E-6 ;
   CAPACITANCE CPERSQDIST 6.32063E-6 ;
   RESISTANCE RPERSQ 0.0285 ;
   DCCURRENTDENSITY AVERAGE 10.17 ; # mA/um Iavg_max at Tj = 90oC
   ACCURRENTDENSITY RMS 22.34 ; # mA/um Irms_max at Tj = 90oC

   ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;
 END met5


 ### Routing via cells section   ###
 # Plus via rule, metals are along the prefered direction
 VIA L1M1_PR DEFAULT
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER li1 ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER met1 ;
   RECT -0.145 -0.115 0.145 0.115 ;
 END L1M1_PR

 VIARULE L1M1_PR GENERATE
   LAYER li1 ;
   ENCLOSURE 0 0 ;
   LAYER met1 ;
   ENCLOSURE 0.06 0.03 ;
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   SPACING 0.36 BY 0.36 ;
 END L1M1_PR

 # Plus via rule, metals are along the non prefered direction
 VIA L1M1_PR_R DEFAULT
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER li1 ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER met1 ;
   RECT -0.115 -0.145 0.115 0.145 ;
 END L1M1_PR_R

 VIARULE L1M1_PR_R GENERATE
   LAYER li1 ;
   ENCLOSURE 0 0 ;
   LAYER met1 ;
   ENCLOSURE 0.03 0.06 ;
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   SPACING 0.36 BY 0.36 ;
 END L1M1_PR_R

 # Minus via rule, lower layer metal is along prefered direction
 VIA L1M1_PR_M DEFAULT
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER li1 ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER met1 ;
   RECT -0.115 -0.145 0.115 0.145 ;
 END L1M1_PR_M

 VIARULE L1M1_PR_M GENERATE
   LAYER li1 ;
   ENCLOSURE 0 0 ;
   LAYER met1 ;
   ENCLOSURE 0.03 0.06 ;
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   SPACING 0.36 BY 0.36 ;
 END L1M1_PR_M

 # Minus via rule, upper layer metal is along prefered direction
 VIA L1M1_PR_MR DEFAULT
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER li1 ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER met1 ;
   RECT -0.145 -0.115 0.145 0.115 ;
 END L1M1_PR_MR

 VIARULE L1M1_PR_MR GENERATE
   LAYER li1 ;
   ENCLOSURE 0 0 ;
   LAYER met1 ;
   ENCLOSURE 0.06 0.03 ;
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   SPACING 0.36 BY 0.36 ;
 END L1M1_PR_MR

 # Centered via rule, we really do not want to use it
 VIA L1M1_PR_C DEFAULT
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER li1 ;
   RECT -0.085 -0.085 0.085 0.085 ;
   LAYER met1 ;
   RECT -0.145 -0.145 0.145 0.145 ;
 END L1M1_PR_C

 VIARULE L1M1_PR_C GENERATE
   LAYER li1 ;
   ENCLOSURE 0 0 ;
   LAYER met1 ;
   ENCLOSURE 0.06 0.06 ;
   LAYER mcon ;
   RECT -0.085 -0.085 0.085 0.085 ;
   SPACING 0.36 BY 0.36 ;
 END L1M1_PR_C

 # Plus via rule, metals are along the prefered direction
 VIA M1M2_PR DEFAULT
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   LAYER met1 ;
   RECT -0.16 -0.13 0.16 0.13 ;
   LAYER met2 ;
   RECT -0.13 -0.16 0.13 0.16 ;
 END M1M2_PR

 VIARULE M1M2_PR GENERATE
   LAYER met1 ;
   ENCLOSURE 0.085 0.055 ;
   LAYER met2 ;
   ENCLOSURE 0.055 0.085 ;
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   SPACING 0.32 BY 0.32 ;
 END M1M2_PR

 # Plus via rule, metals are along the non prefered direction
 VIA M1M2_PR_R DEFAULT
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   LAYER met1 ;
   RECT -0.13 -0.16 0.13 0.16 ;
   LAYER met2 ;
   RECT -0.16 -0.13 0.16 0.13 ;
 END M1M2_PR_R

 VIARULE M1M2_PR_R GENERATE
   LAYER met1 ;
   ENCLOSURE 0.055 0.085 ;
   LAYER met2 ;
   ENCLOSURE 0.085 0.055 ;
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   SPACING 0.32 BY 0.32 ;
 END M1M2_PR_R

 # Minus via rule, lower layer metal is along prefered direction
 VIA M1M2_PR_M DEFAULT
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   LAYER met1 ;
   RECT -0.16 -0.13 0.16 0.13 ;
   LAYER met2 ;
   RECT -0.16 -0.13 0.16 0.13 ;
 END M1M2_PR_M

 VIARULE M1M2_PR_M GENERATE
   LAYER met1 ;
   ENCLOSURE 0.085 0.055 ;
   LAYER met2 ;
   ENCLOSURE 0.085 0.055 ;
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   SPACING 0.32 BY 0.32 ;
 END M1M2_PR_M

 # Minus via rule, upper layer metal is along prefered direction
 VIA M1M2_PR_MR DEFAULT
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   LAYER met1 ;
   RECT -0.13 -0.16 0.13 0.16 ;
   LAYER met2 ;
   RECT -0.13 -0.16 0.13 0.16 ;
 END M1M2_PR_MR

 VIARULE M1M2_PR_MR GENERATE
   LAYER met1 ;
   ENCLOSURE 0.055 0.085 ;
   LAYER met2 ;
   ENCLOSURE 0.055 0.085 ;
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   SPACING 0.32 BY 0.32 ;
 END M1M2_PR_MR

 # Centered via rule, we really do not want to use it
 VIA M1M2_PR_C DEFAULT
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   LAYER met1 ;
   RECT -0.16 -0.16 0.16 0.16 ;
   LAYER met2 ;
   RECT -0.16 -0.16 0.16 0.16 ;
 END M1M2_PR_C

 VIARULE M1M2_PR_C GENERATE
   LAYER met1 ;
   ENCLOSURE 0.085 0.085 ;
   LAYER met2 ;
   ENCLOSURE 0.085 0.085 ;
   LAYER via ;
   RECT -0.075 -0.075 0.075 0.075 ;
   SPACING 0.32 BY 0.32 ;
 END M1M2_PR_C

 # Plus via rule, metals are along the prefered direction
 VIA M2M3_PR DEFAULT
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met2 ;
   RECT -0.14 -0.185 0.14 0.185 ;
   LAYER met3 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M2M3_PR

 VIARULE M2M3_PR GENERATE
   LAYER met2 ;
   ENCLOSURE 0.04 0.085 ;
   LAYER met3 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M2M3_PR

 # Plus via rule, metals are along the non prefered direction
 VIA M2M3_PR_R DEFAULT
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met2 ;
   RECT -0.185 -0.14 0.185 0.14 ;
   LAYER met3 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M2M3_PR_R

 VIARULE M2M3_PR_R GENERATE
   LAYER met2 ;
   ENCLOSURE 0.085 0.04 ;
   LAYER met3 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M2M3_PR_R

 # Minus via rule, lower layer metal is along prefered direction
 VIA M2M3_PR_M DEFAULT
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met2 ;
   RECT -0.14 -0.185 0.14 0.185 ;
   LAYER met3 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M2M3_PR_M

 VIARULE M2M3_PR_M GENERATE
   LAYER met2 ;
   ENCLOSURE 0.04 0.085 ;
   LAYER met3 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M2M3_PR_M

 # Minus via rule, upper layer metal is along prefered direction
 VIA M2M3_PR_MR DEFAULT
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met2 ;
   RECT -0.185 -0.14 0.185 0.14 ;
   LAYER met3 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M2M3_PR_MR

 VIARULE M2M3_PR_MR GENERATE
   LAYER met2 ;
   ENCLOSURE 0.085 0.04 ;
   LAYER met3 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M2M3_PR_MR

 # Centered via rule, we really do not want to use it
 VIA M2M3_PR_C DEFAULT
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met2 ;
   RECT -0.185 -0.185 0.185 0.185 ;
   LAYER met3 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M2M3_PR_C

 VIARULE M2M3_PR_C GENERATE
   LAYER met2 ;
   ENCLOSURE 0.085 0.085 ;
   LAYER met3 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via2 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M2M3_PR_C

 # Plus via rule, metals are along the prefered direction
 VIA M3M4_PR DEFAULT
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met3 ;
   RECT -0.19 -0.16 0.19 0.16 ;
   LAYER met4 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M3M4_PR

 VIARULE M3M4_PR GENERATE
   LAYER met3 ;
   ENCLOSURE 0.09 0.06 ;
   LAYER met4 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M3M4_PR

 # Plus via rule, metals are along the non prefered direction
 VIA M3M4_PR_R DEFAULT
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met3 ;
   RECT -0.16 -0.19 0.16 0.19 ;
   LAYER met4 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M3M4_PR_R

 VIARULE M3M4_PR_R GENERATE
   LAYER met3 ;
   ENCLOSURE 0.06 0.09 ;
   LAYER met4 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M3M4_PR_R

 # Minus via rule, lower layer metal is along prefered direction
 VIA M3M4_PR_M DEFAULT
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met3 ;
   RECT -0.19 -0.16 0.19 0.16 ;
   LAYER met4 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M3M4_PR_M

 VIARULE M3M4_PR_M GENERATE
   LAYER met3 ;
   ENCLOSURE 0.09 0.06 ;
   LAYER met4 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M3M4_PR_M

 # Minus via rule, upper layer metal is along prefered direction
 VIA M3M4_PR_MR DEFAULT
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met3 ;
   RECT -0.16 -0.19 0.16 0.19 ;
   LAYER met4 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M3M4_PR_MR

 VIARULE M3M4_PR_MR GENERATE
   LAYER met3 ;
   ENCLOSURE 0.06 0.09 ;
   LAYER met4 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M3M4_PR_MR

 # Centered via rule, we really do not want to use it
 VIA M3M4_PR_C DEFAULT
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   LAYER met3 ;
   RECT -0.19 -0.19 0.19 0.19 ;
   LAYER met4 ;
   RECT -0.165 -0.165 0.165 0.165 ;
 END M3M4_PR_C

 VIARULE M3M4_PR_C GENERATE
   LAYER met3 ;
   ENCLOSURE 0.09 0.09 ;
   LAYER met4 ;
   ENCLOSURE 0.065 0.065 ;
   LAYER via3 ;
   RECT -0.1 -0.1 0.1 0.1 ;
   SPACING 0.4 BY 0.4 ;
 END M3M4_PR_C

 # Plus via rule, metals are along the prefered direction
 VIA M4M5_PR DEFAULT
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   LAYER met4 ;
   RECT -0.59 -0.59 0.59 0.59 ;
   LAYER met5 ;
   RECT -0.71 -0.71 0.71 0.71 ;
 END M4M5_PR

 VIARULE M4M5_PR GENERATE
   LAYER met4 ;
   ENCLOSURE 0.19 0.19 ;
   LAYER met5 ;
   ENCLOSURE 0.31 0.31 ;
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   SPACING 1.6 BY 1.6 ;
 END M4M5_PR

 # Plus via rule, metals are along the non prefered direction
 VIA M4M5_PR_R DEFAULT
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   LAYER met4 ;
   RECT -0.59 -0.59 0.59 0.59 ;
   LAYER met5 ;
   RECT -0.71 -0.71 0.71 0.71 ;
 END M4M5_PR_R

 VIARULE M4M5_PR_R GENERATE
   LAYER met4 ;
   ENCLOSURE 0.19 0.19 ;
   LAYER met5 ;
   ENCLOSURE 0.31 0.31 ;
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   SPACING 1.6 BY 1.6 ;
 END M4M5_PR_R

 # Minus via rule, lower layer metal is along prefered direction
 VIA M4M5_PR_M DEFAULT
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   LAYER met4 ;
   RECT -0.59 -0.59 0.59 0.59 ;
   LAYER met5 ;
   RECT -0.71 -0.71 0.71 0.71 ;
 END M4M5_PR_M

 VIARULE M4M5_PR_M GENERATE
   LAYER met4 ;
   ENCLOSURE 0.19 0.19 ;
   LAYER met5 ;
   ENCLOSURE 0.31 0.31 ;
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   SPACING 1.6 BY 1.6 ;
 END M4M5_PR_M

 # Minus via rule, upper layer metal is along prefered direction
 VIA M4M5_PR_MR DEFAULT
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   LAYER met4 ;
   RECT -0.59 -0.59 0.59 0.59 ;
   LAYER met5 ;
   RECT -0.71 -0.71 0.71 0.71 ;
 END M4M5_PR_MR

 VIARULE M4M5_PR_MR GENERATE
   LAYER met4 ;
   ENCLOSURE 0.19 0.19 ;
   LAYER met5 ;
   ENCLOSURE 0.31 0.31 ;
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   SPACING 1.6 BY 1.6 ;
 END M4M5_PR_MR

 # Centered via rule, we really do not want to use it
 VIA M4M5_PR_C DEFAULT
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   LAYER met4 ;
   RECT -0.59 -0.59 0.59 0.59 ;
   LAYER met5 ;
   RECT -0.71 -0.71 0.71 0.71 ;
 END M4M5_PR_C

 VIARULE M4M5_PR_C GENERATE
   LAYER met4 ;
   ENCLOSURE 0.19 0.19 ;
   LAYER met5 ;
   ENCLOSURE 0.31 0.31 ;
   LAYER via4 ;
   RECT -0.4 -0.4 0.4 0.4 ;
   SPACING 1.6 BY 1.6 ;
 END M4M5_PR_C
 ###  end of single via cells   ###

 END LIBRARY
	# Copyright 2020 The SkyWater PDK Authors
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# https://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	#
	# SPDX-License-Identifier: Apache-2.0

	VERSION 5.7 ;

	BUSBITCHARS "[]" ;
	DIVIDERCHAR "/" ;

	UNITS
	TIME NANOSECONDS 1 ;
	CAPACITANCE PICOFARADS 1 ;
	RESISTANCE OHMS 1 ;
	DATABASE MICRONS 1000 ;
	END UNITS

	MANUFACTURINGGRID 0.005 ;

	PROPERTYDEFINITIONS
	LAYER LEF58_TYPE STRING ;
	END PROPERTYDEFINITIONS

	# Standard density, single height
	SITE unit
	SYMMETRY Y ;
	CLASS CORE ;
	SIZE 0.48 BY 3.33 ;
	END unit

	# Standard density, double height
	SITE unitdbl
	SYMMETRY Y ;
	CLASS CORE ;
	SIZE 0.48 BY 6.66 ;
	END unitdbl

	LAYER nwell
	TYPE MASTERSLICE ;
	PROPERTY LEF58_TYPE "TYPE NWELL ;" ;
	END nwell

	LAYER pwell
	TYPE MASTERSLICE ;
	PROPERTY LEF58_TYPE "TYPE PWELL ;" ;
	END pwell

	LAYER li1
	TYPE ROUTING ;
	DIRECTION VERTICAL ;

	PITCH 0.48 ;
	MINWIDTH 0.17 ;

	WIDTH 0.17 ; # LI 1
	# SPACING 0.17 ; # LI 2
	SPACINGTABLE
	PARALLELRUNLENGTH 0
	WIDTH 0 0.17 ;
	AREA 0.0561 ; # LI 6
	THICKNESS 0.1 ;
	EDGECAPACITANCE 40.697E-6 ;
	CAPACITANCE CPERSQDIST 36.9866E-6 ;
	RESISTANCE RPERSQ 12.2 ;

	ANTENNADIFFSIDEAREARATIO PWL ( ( 0 75 ) ( 0.0125 75 ) ( 0.0225 85.125 ) ( 22.5 10200 ) ) ;
	END li1

	LAYER mcon
	TYPE CUT ;

	WIDTH 0.17 ; # Mcon 1
	SPACING 0.19 ; # Mcon 2
	ENCLOSURE BELOW 0 0 ; # Mcon 4
	ENCLOSURE ABOVE 0.03 0.06 ; # Met1 4 / Met1 5

	ANTENNADIFFAREARATIO PWL ( ( 0 3 ) ( 0.0125 3 ) ( 0.0225 3.405 ) ( 22.5 408 ) ) ;
	DCCURRENTDENSITY AVERAGE 0.36 ; # mA per via Iavg_max at Tj = 90oC

	END mcon

	LAYER met1
	TYPE ROUTING ;
	DIRECTION HORIZONTAL ;

	PITCH 0.37 ;
	MINENCLOSEDAREA 0.14 ;
	MINWIDTH 0.14 ;

	WIDTH 0.14 ; # Met1 1
	# SPACING 0.14 ; # Met1 2
	# SPACING 0.28 RANGE 3.001 100 ; # Met1 3b
	SPACINGTABLE
	PARALLELRUNLENGTH 0
	WIDTH 0 0.14
	WIDTH 3 0.28 ;
	AREA 0.083 ; # Met1 6
	THICKNESS 0.35 ;

	ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;

	EDGECAPACITANCE 40.697E-6 ;
	CAPACITANCE CPERSQDIST 25.7784E-6 ;
	DCCURRENTDENSITY AVERAGE 2.8 ; # mA/um Iavg_max at Tj = 90oC
	ACCURRENTDENSITY RMS 6.1 ; # mA/um Irms_max at Tj = 90oC

	RESISTANCE RPERSQ 0.125 ;
	END met1

	LAYER via
	TYPE CUT ;
	WIDTH 0.15 ; # Via 1a
	SPACING 0.17 ; # Via 2
	ENCLOSURE BELOW 0.055 0.085 ; # Via 4a / Via 5a
	ENCLOSURE ABOVE 0.055 0.085 ; # Met2 4 / Met2 5

	ANTENNADIFFAREARATIO PWL ( ( 0 6 ) ( 0.0125 6 ) ( 0.0225 6.81 ) ( 22.5 816 ) ) ;
	DCCURRENTDENSITY AVERAGE 0.29 ; # mA per via Iavg_max at Tj = 90oC
	END via

	LAYER met2
	TYPE ROUTING ;
	DIRECTION VERTICAL ;

	PITCH 0.48 ;
	MINENCLOSEDAREA 0.14 ;
	MINWIDTH 0.14 ;

	WIDTH 0.14 ; # Met2 1
	# SPACING 0.14 ; # Met2 2
	# SPACING 0.28 RANGE 3.001 100 ; # Met2 3b
	SPACINGTABLE
	PARALLELRUNLENGTH 0
	WIDTH 0 0.14
	WIDTH 3 0.28 ;
	AREA 0.0676 ; # Met2 6
	THICKNESS 0.35 ;

	EDGECAPACITANCE 37.759E-6 ;
	CAPACITANCE CPERSQDIST 16.9423E-6 ;
	RESISTANCE RPERSQ 0.125 ;
	DCCURRENTDENSITY AVERAGE 2.8 ; # mA/um Iavg_max at Tj = 90oC
	ACCURRENTDENSITY RMS 6.1 ; # mA/um Irms_max at Tj = 90oC
	ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;
	END met2

	# ****** Layer via2, type routing, number 44 ************
	LAYER via2
	TYPE CUT ;
	WIDTH 0.2 ; # Via2 1
	SPACING 0.2 ; # Via2 2
	ENCLOSURE BELOW 0.04 0.085 ; # Via2 4
	ENCLOSURE ABOVE 0.065 0.065 ; # Met3 4
	ANTENNADIFFAREARATIO PWL ( ( 0 6 ) ( 0.0125 6 ) ( 0.0225 6.81 ) ( 22.5 816 ) ) ;
	DCCURRENTDENSITY AVERAGE 0.48 ; # mA per via Iavg_max at Tj = 90oC
	END via2

	LAYER met3
	TYPE ROUTING ;
	DIRECTION HORIZONTAL ;

	PITCH 0.74 ;
	MINWIDTH 0.3 ;

	WIDTH 0.3 ; # Met3 1
	# SPACING 0.3 ; # Met3 2
	SPACINGTABLE
	PARALLELRUNLENGTH 0
	WIDTH 0 0.3
	WIDTH 3 0.4 ;
	AREA 0.24 ; # Met3 6
	THICKNESS 0.8 ;

	EDGECAPACITANCE 40.989E-6 ;
	CAPACITANCE CPERSQDIST 12.3729E-6 ;
	RESISTANCE RPERSQ 0.047 ;
	DCCURRENTDENSITY AVERAGE 6.8 ; # mA/um Iavg_max at Tj = 90oC
	ACCURRENTDENSITY RMS 14.9 ; # mA/um Irms_max at Tj = 90oC

	ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;
	END met3

	LAYER via3
	TYPE CUT ;
	WIDTH 0.2 ; # Via3 1
	SPACING 0.2 ; # Via3 2
	ENCLOSURE BELOW 0.06 0.09 ; # Via3 4 / Via3 5
	ENCLOSURE ABOVE 0.065 0.065 ; # Met4 3
	ANTENNADIFFAREARATIO PWL ( ( 0 6 ) ( 0.0125 6 ) ( 0.0225 6.81 ) ( 22.5 816 ) ) ;
	DCCURRENTDENSITY AVERAGE 0.48 ; # mA per via Iavg_max at Tj = 90oC
	END via3

	LAYER met4
	TYPE ROUTING ;
	DIRECTION VERTICAL ;

	PITCH 0.96 ;
	MINWIDTH 0.3 ;

	WIDTH 0.3 ; # Met4 1
	# SPACING 0.3 ; # Met4 2
	SPACINGTABLE
	PARALLELRUNLENGTH 0
	WIDTH 0 0.3
	WIDTH 3 0.4 ;
	AREA 0.24 ; # Met4 4a

	THICKNESS 0.8 ;

	EDGECAPACITANCE 36.676E-6 ;
	CAPACITANCE CPERSQDIST 8.41537E-6 ;
	RESISTANCE RPERSQ 0.047 ;
	DCCURRENTDENSITY AVERAGE 6.8 ; # mA/um Iavg_max at Tj = 90oC
	ACCURRENTDENSITY RMS 14.9 ; # mA/um Irms_max at Tj = 90oC

	ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;
	END met4

	LAYER via4
	TYPE CUT ;

	WIDTH 0.8 ; # Via4 1
	SPACING 0.8 ; # Via4 2
	ENCLOSURE BELOW 0.19 0.19 ; # Via4 4
	ENCLOSURE ABOVE 0.31 0.31 ; # Met5 3
	ANTENNADIFFAREARATIO PWL ( ( 0 6 ) ( 0.0125 6 ) ( 0.0225 6.81 ) ( 22.5 816 ) ) ;
	DCCURRENTDENSITY AVERAGE 2.49 ; # mA per via Iavg_max at Tj = 90oC
	END via4

	LAYER met5
	TYPE ROUTING ;
	DIRECTION HORIZONTAL ;

	PITCH 3.33 ;
	MINWIDTH 1.6 ;

	WIDTH 1.6 ; # Met5 1
	#SPACING 1.6 ; # Met5 2
	SPACINGTABLE
	PARALLELRUNLENGTH 0
	WIDTH 0 1.6 ;
	AREA 4 ; # Met5 4

	THICKNESS 1.2 ;

	EDGECAPACITANCE 38.851E-6 ;
	CAPACITANCE CPERSQDIST 6.32063E-6 ;
	RESISTANCE RPERSQ 0.0285 ;
	DCCURRENTDENSITY AVERAGE 10.17 ; # mA/um Iavg_max at Tj = 90oC
	ACCURRENTDENSITY RMS 22.34 ; # mA/um Irms_max at Tj = 90oC

	ANTENNADIFFSIDEAREARATIO PWL ( ( 0 400 ) ( 0.0125 400 ) ( 0.0225 2609 ) ( 22.5 11600 ) ) ;
	END met5


	### Routing via cells section ###
	# Plus via rule, metals are along the prefered direction
	VIA L1M1_PR DEFAULT
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER li1 ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER met1 ;
	RECT -0.145 -0.115 0.145 0.115 ;
	END L1M1_PR

	VIARULE L1M1_PR GENERATE
	LAYER li1 ;
	ENCLOSURE 0 0 ;
	LAYER met1 ;
	ENCLOSURE 0.06 0.03 ;
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	SPACING 0.36 BY 0.36 ;
	END L1M1_PR

	# Plus via rule, metals are along the non prefered direction
	VIA L1M1_PR_R DEFAULT
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER li1 ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER met1 ;
	RECT -0.115 -0.145 0.115 0.145 ;
	END L1M1_PR_R

	VIARULE L1M1_PR_R GENERATE
	LAYER li1 ;
	ENCLOSURE 0 0 ;
	LAYER met1 ;
	ENCLOSURE 0.03 0.06 ;
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	SPACING 0.36 BY 0.36 ;
	END L1M1_PR_R

	# Minus via rule, lower layer metal is along prefered direction
	VIA L1M1_PR_M DEFAULT
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER li1 ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER met1 ;
	RECT -0.115 -0.145 0.115 0.145 ;
	END L1M1_PR_M

	VIARULE L1M1_PR_M GENERATE
	LAYER li1 ;
	ENCLOSURE 0 0 ;
	LAYER met1 ;
	ENCLOSURE 0.03 0.06 ;
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	SPACING 0.36 BY 0.36 ;
	END L1M1_PR_M

	# Minus via rule, upper layer metal is along prefered direction
	VIA L1M1_PR_MR DEFAULT
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER li1 ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER met1 ;
	RECT -0.145 -0.115 0.145 0.115 ;
	END L1M1_PR_MR

	VIARULE L1M1_PR_MR GENERATE
	LAYER li1 ;
	ENCLOSURE 0 0 ;
	LAYER met1 ;
	ENCLOSURE 0.06 0.03 ;
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	SPACING 0.36 BY 0.36 ;
	END L1M1_PR_MR

	# Centered via rule, we really do not want to use it
	VIA L1M1_PR_C DEFAULT
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER li1 ;
	RECT -0.085 -0.085 0.085 0.085 ;
	LAYER met1 ;
	RECT -0.145 -0.145 0.145 0.145 ;
	END L1M1_PR_C

	VIARULE L1M1_PR_C GENERATE
	LAYER li1 ;
	ENCLOSURE 0 0 ;
	LAYER met1 ;
	ENCLOSURE 0.06 0.06 ;
	LAYER mcon ;
	RECT -0.085 -0.085 0.085 0.085 ;
	SPACING 0.36 BY 0.36 ;
	END L1M1_PR_C

	# Plus via rule, metals are along the prefered direction
	VIA M1M2_PR DEFAULT
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	LAYER met1 ;
	RECT -0.16 -0.13 0.16 0.13 ;
	LAYER met2 ;
	RECT -0.13 -0.16 0.13 0.16 ;
	END M1M2_PR

	VIARULE M1M2_PR GENERATE
	LAYER met1 ;
	ENCLOSURE 0.085 0.055 ;
	LAYER met2 ;
	ENCLOSURE 0.055 0.085 ;
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	SPACING 0.32 BY 0.32 ;
	END M1M2_PR

	# Plus via rule, metals are along the non prefered direction
	VIA M1M2_PR_R DEFAULT
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	LAYER met1 ;
	RECT -0.13 -0.16 0.13 0.16 ;
	LAYER met2 ;
	RECT -0.16 -0.13 0.16 0.13 ;
	END M1M2_PR_R

	VIARULE M1M2_PR_R GENERATE
	LAYER met1 ;
	ENCLOSURE 0.055 0.085 ;
	LAYER met2 ;
	ENCLOSURE 0.085 0.055 ;
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	SPACING 0.32 BY 0.32 ;
	END M1M2_PR_R

	# Minus via rule, lower layer metal is along prefered direction
	VIA M1M2_PR_M DEFAULT
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	LAYER met1 ;
	RECT -0.16 -0.13 0.16 0.13 ;
	LAYER met2 ;
	RECT -0.16 -0.13 0.16 0.13 ;
	END M1M2_PR_M

	VIARULE M1M2_PR_M GENERATE
	LAYER met1 ;
	ENCLOSURE 0.085 0.055 ;
	LAYER met2 ;
	ENCLOSURE 0.085 0.055 ;
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	SPACING 0.32 BY 0.32 ;
	END M1M2_PR_M

	# Minus via rule, upper layer metal is along prefered direction
	VIA M1M2_PR_MR DEFAULT
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	LAYER met1 ;
	RECT -0.13 -0.16 0.13 0.16 ;
	LAYER met2 ;
	RECT -0.13 -0.16 0.13 0.16 ;
	END M1M2_PR_MR

	VIARULE M1M2_PR_MR GENERATE
	LAYER met1 ;
	ENCLOSURE 0.055 0.085 ;
	LAYER met2 ;
	ENCLOSURE 0.055 0.085 ;
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	SPACING 0.32 BY 0.32 ;
	END M1M2_PR_MR

	# Centered via rule, we really do not want to use it
	VIA M1M2_PR_C DEFAULT
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	LAYER met1 ;
	RECT -0.16 -0.16 0.16 0.16 ;
	LAYER met2 ;
	RECT -0.16 -0.16 0.16 0.16 ;
	END M1M2_PR_C

	VIARULE M1M2_PR_C GENERATE
	LAYER met1 ;
	ENCLOSURE 0.085 0.085 ;
	LAYER met2 ;
	ENCLOSURE 0.085 0.085 ;
	LAYER via ;
	RECT -0.075 -0.075 0.075 0.075 ;
	SPACING 0.32 BY 0.32 ;
	END M1M2_PR_C

	# Plus via rule, metals are along the prefered direction
	VIA M2M3_PR DEFAULT
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met2 ;
	RECT -0.14 -0.185 0.14 0.185 ;
	LAYER met3 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M2M3_PR

	VIARULE M2M3_PR GENERATE
	LAYER met2 ;
	ENCLOSURE 0.04 0.085 ;
	LAYER met3 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M2M3_PR

	# Plus via rule, metals are along the non prefered direction
	VIA M2M3_PR_R DEFAULT
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met2 ;
	RECT -0.185 -0.14 0.185 0.14 ;
	LAYER met3 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M2M3_PR_R

	VIARULE M2M3_PR_R GENERATE
	LAYER met2 ;
	ENCLOSURE 0.085 0.04 ;
	LAYER met3 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M2M3_PR_R

	# Minus via rule, lower layer metal is along prefered direction
	VIA M2M3_PR_M DEFAULT
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met2 ;
	RECT -0.14 -0.185 0.14 0.185 ;
	LAYER met3 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M2M3_PR_M

	VIARULE M2M3_PR_M GENERATE
	LAYER met2 ;
	ENCLOSURE 0.04 0.085 ;
	LAYER met3 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M2M3_PR_M

	# Minus via rule, upper layer metal is along prefered direction
	VIA M2M3_PR_MR DEFAULT
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met2 ;
	RECT -0.185 -0.14 0.185 0.14 ;
	LAYER met3 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M2M3_PR_MR

	VIARULE M2M3_PR_MR GENERATE
	LAYER met2 ;
	ENCLOSURE 0.085 0.04 ;
	LAYER met3 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M2M3_PR_MR

	# Centered via rule, we really do not want to use it
	VIA M2M3_PR_C DEFAULT
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met2 ;
	RECT -0.185 -0.185 0.185 0.185 ;
	LAYER met3 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M2M3_PR_C

	VIARULE M2M3_PR_C GENERATE
	LAYER met2 ;
	ENCLOSURE 0.085 0.085 ;
	LAYER met3 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via2 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M2M3_PR_C

	# Plus via rule, metals are along the prefered direction
	VIA M3M4_PR DEFAULT
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met3 ;
	RECT -0.19 -0.16 0.19 0.16 ;
	LAYER met4 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M3M4_PR

	VIARULE M3M4_PR GENERATE
	LAYER met3 ;
	ENCLOSURE 0.09 0.06 ;
	LAYER met4 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M3M4_PR

	# Plus via rule, metals are along the non prefered direction
	VIA M3M4_PR_R DEFAULT
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met3 ;
	RECT -0.16 -0.19 0.16 0.19 ;
	LAYER met4 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M3M4_PR_R

	VIARULE M3M4_PR_R GENERATE
	LAYER met3 ;
	ENCLOSURE 0.06 0.09 ;
	LAYER met4 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M3M4_PR_R

	# Minus via rule, lower layer metal is along prefered direction
	VIA M3M4_PR_M DEFAULT
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met3 ;
	RECT -0.19 -0.16 0.19 0.16 ;
	LAYER met4 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M3M4_PR_M

	VIARULE M3M4_PR_M GENERATE
	LAYER met3 ;
	ENCLOSURE 0.09 0.06 ;
	LAYER met4 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M3M4_PR_M

	# Minus via rule, upper layer metal is along prefered direction
	VIA M3M4_PR_MR DEFAULT
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met3 ;
	RECT -0.16 -0.19 0.16 0.19 ;
	LAYER met4 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M3M4_PR_MR

	VIARULE M3M4_PR_MR GENERATE
	LAYER met3 ;
	ENCLOSURE 0.06 0.09 ;
	LAYER met4 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M3M4_PR_MR

	# Centered via rule, we really do not want to use it
	VIA M3M4_PR_C DEFAULT
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	LAYER met3 ;
	RECT -0.19 -0.19 0.19 0.19 ;
	LAYER met4 ;
	RECT -0.165 -0.165 0.165 0.165 ;
	END M3M4_PR_C

	VIARULE M3M4_PR_C GENERATE
	LAYER met3 ;
	ENCLOSURE 0.09 0.09 ;
	LAYER met4 ;
	ENCLOSURE 0.065 0.065 ;
	LAYER via3 ;
	RECT -0.1 -0.1 0.1 0.1 ;
	SPACING 0.4 BY 0.4 ;
	END M3M4_PR_C

	# Plus via rule, metals are along the prefered direction
	VIA M4M5_PR DEFAULT
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	LAYER met4 ;
	RECT -0.59 -0.59 0.59 0.59 ;
	LAYER met5 ;
	RECT -0.71 -0.71 0.71 0.71 ;
	END M4M5_PR

	VIARULE M4M5_PR GENERATE
	LAYER met4 ;
	ENCLOSURE 0.19 0.19 ;
	LAYER met5 ;
	ENCLOSURE 0.31 0.31 ;
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	SPACING 1.6 BY 1.6 ;
	END M4M5_PR

	# Plus via rule, metals are along the non prefered direction
	VIA M4M5_PR_R DEFAULT
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	LAYER met4 ;
	RECT -0.59 -0.59 0.59 0.59 ;
	LAYER met5 ;
	RECT -0.71 -0.71 0.71 0.71 ;
	END M4M5_PR_R

	VIARULE M4M5_PR_R GENERATE
	LAYER met4 ;
	ENCLOSURE 0.19 0.19 ;
	LAYER met5 ;
	ENCLOSURE 0.31 0.31 ;
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	SPACING 1.6 BY 1.6 ;
	END M4M5_PR_R

	# Minus via rule, lower layer metal is along prefered direction
	VIA M4M5_PR_M DEFAULT
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	LAYER met4 ;
	RECT -0.59 -0.59 0.59 0.59 ;
	LAYER met5 ;
	RECT -0.71 -0.71 0.71 0.71 ;
	END M4M5_PR_M

	VIARULE M4M5_PR_M GENERATE
	LAYER met4 ;
	ENCLOSURE 0.19 0.19 ;
	LAYER met5 ;
	ENCLOSURE 0.31 0.31 ;
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	SPACING 1.6 BY 1.6 ;
	END M4M5_PR_M

	# Minus via rule, upper layer metal is along prefered direction
	VIA M4M5_PR_MR DEFAULT
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	LAYER met4 ;
	RECT -0.59 -0.59 0.59 0.59 ;
	LAYER met5 ;
	RECT -0.71 -0.71 0.71 0.71 ;
	END M4M5_PR_MR

	VIARULE M4M5_PR_MR GENERATE
	LAYER met4 ;
	ENCLOSURE 0.19 0.19 ;
	LAYER met5 ;
	ENCLOSURE 0.31 0.31 ;
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	SPACING 1.6 BY 1.6 ;
	END M4M5_PR_MR

	# Centered via rule, we really do not want to use it
	VIA M4M5_PR_C DEFAULT
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	LAYER met4 ;
	RECT -0.59 -0.59 0.59 0.59 ;
	LAYER met5 ;
	RECT -0.71 -0.71 0.71 0.71 ;
	END M4M5_PR_C

	VIARULE M4M5_PR_C GENERATE
	LAYER met4 ;
	ENCLOSURE 0.19 0.19 ;
	LAYER met5 ;
	ENCLOSURE 0.31 0.31 ;
	LAYER via4 ;
	RECT -0.4 -0.4 0.4 0.4 ;
	SPACING 1.6 BY 1.6 ;
	END M4M5_PR_C
	### end of single via cells ###

	END LIBRARY