Added capm MIM DRC rules from sky130.tech in open_pdks.

docs/rules/periphery-rules.rst

@@ -121,7 +121,7 @@
      - Value
      - Unit
    * - :drc_rule:`(x.1a)`
-     - p1m.md (OPC), DECA and AMKOR layers (pi1.dg, pmm.dg, rdl.dg, pi2.dg, ubm.dg, bump.dg) and mask data for p1m, met1, via, met2 must be on a grid of mm
+     - p1m.md (OPC), DECA and AMKOR layers (pi1.dg, pmm.dg, rdl.dg, pi2.dg, ubm.dg, bump.dg) and mask data for p1m, met1, via, met2, capm and cap2m must be on a grid of mm
      - 
      - 0.001
      - mm
@@ -1825,63 +1825,53 @@
    * - :drc_rule:`(capm.1)`
      - Min width of capm
      - 
-     - N/A
-     - N/A
+     - 1
+     - µm
    * - :drc_rule:`(capm.2a)`
      - Min spacing of capm to capm
      - 
-     - N/A
-     - N/A
+     - 0.84
+     - µm
    * - :drc_rule:`(capm.2b)`
      - Minimum spacing of capacitor bottom_plate to bottom plate
      - 
-     - N/A
-     - N/A
+     - 1.2
+     - µm
    * - :drc_rule:`(capm.3)`
-     - Minimum enclosure of capm (top_plate) by met2
+     - Minimum enclosure of capm (top_plate) by met3
      - 
-     - N/A
-     - N/A
+     - 0.14
+     - µm
    * - :drc_rule:`(capm.4)`
-     - Min enclosure of via2 by capm
+     - Min enclosure of via3 by capm
      - 
-     - N/A
-     - N/A
+     - 0.14
+     - µm
    * - :drc_rule:`(capm.5)`
-     - Min spacing between capm and via2
+     - Min spacing between capm and via3
      - 
-     - N/A
-     - N/A
+     - 0.14
+     - µm
    * - :drc_rule:`(capm.6)`
      - Maximum Aspect Ratio (Length/Width)
      - 
-     - N/A
-     - N/A
+     - 20
+     - 
    * - :drc_rule:`(capm.7)`
-     - Only rectangular capacitors are allowed
+     - Only rectangular or L-shaped capacitors allowed
+     - 
+     - 
      - 
-     - N/A
-     - N/A
    * - :drc_rule:`(capm.8)`
-     - Min space, no overlap, between via and capm
+     - Min space, no overlap, between via2 and capm
      - 
-     - N/A
-     - N/A
-   * - :drc_rule:`(capm.10)`
-     - capm must not straddle nwell, diff, tap, poly, li1 and met1 (Rule exempted for capm overlapping capm_2t.dg)
-     - :drc_flag:`TC`
-     - N/A
-     - N/A
+     - 0.14
+     - µm
    * - :drc_rule:`(capm.11)`
-     - Min spacing between capm to (met2 not overlapping capm)
+     - Min spacing between capm to (met3 not overlapping capm)
      - 
-     - N/A
-     - N/A
-   * - :drc_rule:`(capm.12)`
-     - Max area of capm (um^2)
-     - 
-     - N/A
-     - N/A
+     - 0.5
+     - µm
 
 
 .. figure:: periphery/p036-capm_dotdash.svg
@@ -1890,6 +1880,72 @@
 
 
 
+:drc_rule:`(cap2m.-)`
+---------------------
+
+.. list-table:: Function: Defines MIM capacitor
+   :header-rows: 1
+   :stub-columns: 1
+   :widths: 9 73 6 6 6
+
+   * - :drc_rule:`Name`
+     - Description
+     - :drc_flag:`Flags`
+     - Value
+     - Unit
+   * - :drc_rule:`(cap2m.1)`
+     - Min width of cap2m
+     - 
+     - 1
+     - µm
+   * - :drc_rule:`(cap2m.2a)`
+     - Min spacing of cap2m to cap2m
+     - 
+     - 0.84
+     - µm
+   * - :drc_rule:`(cap2m.2b)`
+     - Minimum spacing of capacitor bottom_plate to bottom plate
+     - 
+     - 1.2
+     - µm
+   * - :drc_rule:`(cap2m.3)`
+     - Minimum enclosure of cap2m (top_plate) by met4
+     - 
+     - 0.14
+     - µm
+   * - :drc_rule:`(cap2m.4)`
+     - Min enclosure of via4 by cap2m
+     - 
+     - 0.2
+     - µm
+   * - :drc_rule:`(cap2m.5)`
+     - Min spacing between cap2m and via3
+     - 
+     - 0.2
+     - µm
+   * - :drc_rule:`(cap2m.6)`
+     - Maximum Aspect Ratio (Length/Width)
+     - 
+     - 20
+     - 
+   * - :drc_rule:`(cap2m.7)`
+     - Only rectangular or L-shaped capacitors allowed
+     - 
+     - 
+     - 
+   * - :drc_rule:`(cap2m.8)`
+     - Min space, no overlap, between via3 and cap2m
+     - 
+     - 0.14
+     - µm
+   * - :drc_rule:`(cap2m.11)`
+     - Min spacing between cap2m to (met3 not overlapping cap2m)
+     - 
+     - 0.5
+     - µm
+
+
+
 :drc_rule:`(vpp.-)`
 -------------------
 

docs/rules/periphery/p018-x_dotdash.csv

@@ -1,5 +1,5 @@
 Name,Description,Flags,Value,Unit
-(x.1a),"p1m.md (OPC), DECA and AMKOR layers (pi1.dg, pmm.dg, rdl.dg, pi2.dg, ubm.dg, bump.dg) and mask data for p1m, met1, via, met2 must be on a grid of mm",,0.001,mm
+(x.1a),"p1m.md (OPC), DECA and AMKOR layers (pi1.dg, pmm.dg, rdl.dg, pi2.dg, ubm.dg, bump.dg) and mask data for p1m, met1, via, met2, capm and cap2m must be on a grid of mm",,0.001,mm
 (x.1b),Data for SKY130 layout and mask on all layers except those mentioned in 1a must be on a grid of mm (except inside Seal ring),,0.005,mm
 (x.2),Angles permitted on: diff,,N/A,N/A
 (x.2),"Angles permitted on: diff except for:

docs/rules/periphery/p036-cap2m_dotdash.csv

@@ -0,0 +1,11 @@
+Name,Description,Flags,Value,Unit
+(cap2m.1),Min width of cap2m,,1,µm
+(cap2m.2a),Min spacing of cap2m to cap2m,,0.84,µm
+(cap2m.2b),Minimum spacing of capacitor bottom_plate to bottom plate,,1.2,µm
+(cap2m.3),Minimum enclosure of cap2m (top_plate) by met4,,0.14,µm
+(cap2m.4),Min enclosure of via4 by cap2m,,0.2,µm
+(cap2m.5),Min spacing between cap2m and via3,,0.2,µm
+(cap2m.6),Maximum Aspect Ratio (Length/Width),,20,
+(cap2m.7),Only rectangular or L-shaped capacitors allowed,,,
+(cap2m.8),"Min space, no overlap, between via3 and cap2m",,0.14,µm
+(cap2m.11),Min spacing between cap2m to (met3 not overlapping cap2m),,0.5,µm

docs/rules/periphery/p036-capm_dotdash.csv

@@ -1,13 +1,11 @@
 Name,Description,Flags,Value,Unit
-(capm.1),Min width of capm,,N/A,N/A
-(capm.2a),Min spacing of capm to capm,,N/A,N/A
-(capm.2b),Minimum spacing of capacitor bottom_plate to bottom plate,,N/A,N/A
-(capm.3),Minimum enclosure of capm (top_plate) by met2,,N/A,N/A
-(capm.4),Min enclosure of via2 by capm,,N/A,N/A
-(capm.5),Min spacing between capm and via2,,N/A,N/A
-(capm.6),Maximum Aspect Ratio (Length/Width),,N/A,N/A
-(capm.7),Only rectangular capacitors are allowed,,N/A,N/A
-(capm.8),"Min space, no overlap, between via and capm",,N/A,N/A
-(capm.10),"capm must not straddle nwell, diff, tap, poly, li1 and met1 (Rule exempted for capm overlapping capm_2t.dg)",TC,N/A,N/A
-(capm.11),Min spacing between capm to (met2 not overlapping capm),,N/A,N/A
-(capm.12),Max area of capm (um^2),,N/A,N/A
+(capm.1),Min width of capm,,1,µm
+(capm.2a),Min spacing of capm to capm,,0.84,µm
+(capm.2b),Minimum spacing of capacitor bottom_plate to bottom plate,,1.2,µm
+(capm.3),Minimum enclosure of capm (top_plate) by met3,,0.14,µm
+(capm.4),Min enclosure of via3 by capm,,0.14,µm
+(capm.5),Min spacing between capm and via3,,0.14,µm
+(capm.6),Maximum Aspect Ratio (Length/Width),,20,
+(capm.7),Only rectangular or L-shaped capacitors allowed,,,
+(capm.8),"Min space, no overlap, between via2 and capm",,0.14,µm
+(capm.11),Min spacing between capm to (met3 not overlapping capm),,0.5,µm

docs/rules/periphery/periphery-split-csv.py

@@ -91,6 +91,7 @@ def csv_fname(self):
 no_pics = [
     'p024-hvtr_dotdash.svg',
     'p033-licon_dotdash.svg',
+    'p036-cap2m_dotdash.svg',
     'p042-via3_dotdash.svg',
     'p043-nsm_dotdash.svg',
     'p044-m5_dotdash.svg',

docs/rules/periphery/periphery.csv

@@ -5,7 +5,7 @@ Rule,Section G2: Design Rules for SKY130*,Use,
 , ,,
 (x.-),General,,
 ,,,
-1a,"p1m.md (OPC), DECA and AMKOR layers (pi1.dg, pmm.dg, rdl.dg, pi2.dg, ubm.dg, bump.dg) and mask data for p1m, met1, via, met2 must be on a grid of mm",,0.001,mm
+1a,"p1m.md (OPC), DECA and AMKOR layers (pi1.dg, pmm.dg, rdl.dg, pi2.dg, ubm.dg, bump.dg) and mask data for p1m, met1, via, met2, capm and cap2m must be on a grid of mm",,0.001,mm
 1b,Data for SKY130 layout and mask on all layers except those mentioned in 1a must be on a grid of mm (except inside Seal ring),,0.005,mm
 2,Angles permitted on: diff,,N/A,N/A
  ,"Angles permitted on: diff except for:\n- diff inside ""advSeal_6µm* OR cuPillarAdvSeal_6µm*"" pcell, \n- diff rings around the die at min total L>1000 µm and W=0.3 µm",,n x 90,deg
@@ -742,18 +742,39 @@ irdrop.3,"For n > 100 contacts on the same connector, mcon area pre- and post- C
 (capm.-),MIM Capacitor (Capm),,sky130
 ,Function: Defines MIM capacitor,,
 ,,,
-1,Min width of capm,,N/A,N/A
-2a,Min spacing of capm to capm,,N/A,N/A
-2b,Minimum spacing of capacitor bottom_plate to bottom plate,,N/A,N/A
-3,Minimum enclosure of capm (top_plate) by met2,,N/A,N/A
-4,Min enclosure of via2 by capm,,N/A,N/A
-5,Min spacing between capm and via2,,N/A,N/A
-6,Maximum Aspect Ratio (Length/Width),,N/A,N/A
-7,Only rectangular capacitors are allowed,,N/A,N/A
-8,"Min space, no overlap, between via and capm",,N/A,N/A
-10,"capm must not straddle nwell, diff, tap, poly, li1 and met1 (Rule exempted for capm overlapping capm_2t.dg)",TC,N/A,N/A
-11,Min spacing between capm to (met2 not overlapping capm),,N/A,N/A
-12,Max area of capm (um^2),,N/A,N/A
+1,Min width of capm,,1,µm
+2a,Min spacing of capm to capm,,0.84,µm
+2b,Minimum spacing of capacitor bottom_plate to bottom plate,,1.2,µm
+3,Minimum enclosure of capm (top_plate) by met3,,0.14,µm
+4,Min enclosure of via3 by capm,,0.14,µm
+5,Min spacing between capm and via3,,0.14,µm
+6,Maximum Aspect Ratio (Length/Width),,20,
+7,Only rectangular or L-shaped capacitors allowed,,,
+8,"Min space, no overlap, between via2 and capm",,0.14,µm
+11,Min spacing between capm to (met3 not overlapping capm),,0.5,µm
+,,,
+,,,
+,,,
+,,,
+,,,
+,,,
+,,,
+,,,
+,,,
+,,,
+(cap2m.-),MIM Capacitor (Cap2m),,sky130
+,Function: Defines MIM capacitor,,
+,,,
+1,Min width of cap2m,,1,µm
+2a,Min spacing of cap2m to cap2m,,0.84,µm
+2b,Minimum spacing of capacitor bottom_plate to bottom plate,,1.2,µm
+3,Minimum enclosure of cap2m (top_plate) by met4,,0.14,µm
+4,Min enclosure of via4 by cap2m,,0.2,µm
+5,Min spacing between cap2m and via3,,0.2,µm
+6,Maximum Aspect Ratio (Length/Width),,20,
+7,Only rectangular or L-shaped capacitors allowed,,,
+8,"Min space, no overlap, between via3 and cap2m",,0.14,µm
+11,Min spacing between cap2m to (met3 not overlapping cap2m),,0.5,µm
 ,,,
 ,,,
 ,,,