Updated capm and cap2m design rules. Added files missing from last commit.
X.1a grid spacing rule updated. Updated capm and cap2m rules in line with PR discussion. - .4 min enclosure corrected - .6 aspect ratio added - .7 shape restrictions updated - .8 via reference corrected - obsolete .10 and .12 rules removed Added cap2m entry in periphery.csv. Added cap2m to periphery-split-csv.py no_pics list.
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@ -121,7 +121,7 @@
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- Value
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- Unit
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* - :drc_rule:`(x.1a)`
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- 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
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- 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
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-
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- 0.001
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- mm
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@ -1825,63 +1825,53 @@
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* - :drc_rule:`(capm.1)`
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- Min width of capm
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-
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- N/A
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- N/A
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- 1
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- µm
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* - :drc_rule:`(capm.2a)`
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- Min spacing of capm to capm
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-
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- N/A
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- N/A
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- 0.84
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- µm
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* - :drc_rule:`(capm.2b)`
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- Minimum spacing of capacitor bottom_plate to bottom plate
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-
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- N/A
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- N/A
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- 1.2
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- µm
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* - :drc_rule:`(capm.3)`
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- Minimum enclosure of capm (top_plate) by met2
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- Minimum enclosure of capm (top_plate) by met3
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-
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- N/A
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- N/A
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- 0.14
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- µm
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* - :drc_rule:`(capm.4)`
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- Min enclosure of via2 by capm
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- Min enclosure of via3 by capm
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-
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- N/A
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- N/A
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- 0.14
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- µm
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* - :drc_rule:`(capm.5)`
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- Min spacing between capm and via2
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- Min spacing between capm and via3
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-
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- N/A
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- N/A
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- 0.14
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- µm
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* - :drc_rule:`(capm.6)`
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- Maximum Aspect Ratio (Length/Width)
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-
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- N/A
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- N/A
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- 20
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-
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* - :drc_rule:`(capm.7)`
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- Only rectangular capacitors are allowed
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- Only rectangular or L-shaped capacitors allowed
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-
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-
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-
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- N/A
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- N/A
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* - :drc_rule:`(capm.8)`
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- Min space, no overlap, between via and capm
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- Min space, no overlap, between via2 and capm
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-
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- N/A
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- N/A
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* - :drc_rule:`(capm.10)`
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- capm must not straddle nwell, diff, tap, poly, li1 and met1 (Rule exempted for capm overlapping capm_2t.dg)
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- :drc_flag:`TC`
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- N/A
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- N/A
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- 0.14
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- µm
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* - :drc_rule:`(capm.11)`
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- Min spacing between capm to (met2 not overlapping capm)
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- Min spacing between capm to (met3 not overlapping capm)
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-
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- N/A
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- N/A
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* - :drc_rule:`(capm.12)`
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- Max area of capm (um^2)
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-
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- N/A
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- N/A
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- 0.5
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- µm
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.. figure:: periphery/p036-capm_dotdash.svg
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@ -1890,6 +1880,72 @@
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:drc_rule:`(cap2m.-)`
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---------------------
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.. list-table:: Function: Defines MIM capacitor
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:header-rows: 1
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:stub-columns: 1
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:widths: 9 73 6 6 6
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* - :drc_rule:`Name`
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- Description
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- :drc_flag:`Flags`
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- Value
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- Unit
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* - :drc_rule:`(cap2m.1)`
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- Min width of cap2m
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-
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- 1
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- µm
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* - :drc_rule:`(cap2m.2a)`
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- Min spacing of cap2m to cap2m
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-
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- 0.84
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- µm
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* - :drc_rule:`(cap2m.2b)`
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- Minimum spacing of capacitor bottom_plate to bottom plate
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-
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- 1.2
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- µm
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* - :drc_rule:`(cap2m.3)`
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- Minimum enclosure of cap2m (top_plate) by met4
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-
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- 0.14
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- µm
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* - :drc_rule:`(cap2m.4)`
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- Min enclosure of via4 by cap2m
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-
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- 0.2
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- µm
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* - :drc_rule:`(cap2m.5)`
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- Min spacing between cap2m and via3
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-
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- 0.2
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- µm
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* - :drc_rule:`(cap2m.6)`
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- Maximum Aspect Ratio (Length/Width)
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-
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- 20
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-
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* - :drc_rule:`(cap2m.7)`
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- Only rectangular or L-shaped capacitors allowed
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-
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-
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-
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* - :drc_rule:`(cap2m.8)`
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- Min space, no overlap, between via3 and cap2m
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-
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- 0.14
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- µm
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* - :drc_rule:`(cap2m.11)`
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- Min spacing between cap2m to (met3 not overlapping cap2m)
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-
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- 0.5
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- µm
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:drc_rule:`(vpp.-)`
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-------------------
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@ -1,5 +1,5 @@
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Name,Description,Flags,Value,Unit
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(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
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(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
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(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
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(x.2),Angles permitted on: diff,,N/A,N/A
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(x.2),"Angles permitted on: diff except for:
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@ -0,0 +1,11 @@
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Name,Description,Flags,Value,Unit
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(cap2m.1),Min width of cap2m,,1,µm
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(cap2m.2a),Min spacing of cap2m to cap2m,,0.84,µm
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(cap2m.2b),Minimum spacing of capacitor bottom_plate to bottom plate,,1.2,µm
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(cap2m.3),Minimum enclosure of cap2m (top_plate) by met4,,0.14,µm
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(cap2m.4),Min enclosure of via4 by cap2m,,0.2,µm
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(cap2m.5),Min spacing between cap2m and via3,,0.2,µm
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(cap2m.6),Maximum Aspect Ratio (Length/Width),,20,
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(cap2m.7),Only rectangular or L-shaped capacitors allowed,,,
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(cap2m.8),"Min space, no overlap, between via3 and cap2m",,0.14,µm
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(cap2m.11),Min spacing between cap2m to (met3 not overlapping cap2m),,0.5,µm
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@ -3,11 +3,9 @@ Name,Description,Flags,Value,Unit
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(capm.2a),Min spacing of capm to capm,,0.84,µm
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(capm.2b),Minimum spacing of capacitor bottom_plate to bottom plate,,1.2,µm
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(capm.3),Minimum enclosure of capm (top_plate) by met3,,0.14,µm
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(capm.4),Min enclosure of via3 by capm,,0.2,µm
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(capm.4),Min enclosure of via3 by capm,,0.14,µm
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(capm.5),Min spacing between capm and via3,,0.14,µm
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(capm.6),Maximum Aspect Ratio (Length/Width),,,
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(capm.7),Only rectangular capacitors are allowed,,,
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(capm.8),"Min space, no overlap, between via3 and capm",,0.14,µm
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(capm.10),"capm must not straddle nwell, diff, tap, poly, li1 and met1 (Rule exempted for capm overlapping capm_2t.dg)",TC,,
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(capm.6),Maximum Aspect Ratio (Length/Width),,20,
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(capm.7),Only rectangular or L-shaped capacitors allowed,,,
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(capm.8),"Min space, no overlap, between via2 and capm",,0.14,µm
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(capm.11),Min spacing between capm to (met3 not overlapping capm),,0.5,µm
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(capm.12),Max area of capm,,,µm²
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@ -91,6 +91,7 @@ for l in open('periphery.csv', encoding='utf8'):
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no_pics = [
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'p024-hvtr_dotdash.svg',
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'p033-licon_dotdash.svg',
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'p036-cap2m_dotdash.svg',
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'p042-via3_dotdash.svg',
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'p043-nsm_dotdash.svg',
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'p044-m5_dotdash.svg',
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@ -5,7 +5,7 @@ Rule,Section G2: Design Rules for SKY130*,Use,
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, ,,
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(x.-),General,,
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,,,
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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
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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
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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
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2,Angles permitted on: diff,,N/A,N/A
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,"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
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@ -742,18 +742,39 @@ irdrop.3,"For n > 100 contacts on the same connector, mcon area pre- and post- C
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(capm.-),MIM Capacitor (Capm),,sky130
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,Function: Defines MIM capacitor,,
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,,,
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1,Min width of capm,,N/A,N/A
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2a,Min spacing of capm to capm,,N/A,N/A
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2b,Minimum spacing of capacitor bottom_plate to bottom plate,,N/A,N/A
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3,Minimum enclosure of capm (top_plate) by met2,,N/A,N/A
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4,Min enclosure of via2 by capm,,N/A,N/A
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5,Min spacing between capm and via2,,N/A,N/A
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6,Maximum Aspect Ratio (Length/Width),,N/A,N/A
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7,Only rectangular capacitors are allowed,,N/A,N/A
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8,"Min space, no overlap, between via and capm",,N/A,N/A
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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
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11,Min spacing between capm to (met2 not overlapping capm),,N/A,N/A
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12,Max area of capm (um^2),,N/A,N/A
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1,Min width of capm,,1,µm
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2a,Min spacing of capm to capm,,0.84,µm
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2b,Minimum spacing of capacitor bottom_plate to bottom plate,,1.2,µm
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3,Minimum enclosure of capm (top_plate) by met3,,0.14,µm
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4,Min enclosure of via3 by capm,,0.14,µm
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5,Min spacing between capm and via3,,0.14,µm
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6,Maximum Aspect Ratio (Length/Width),,20,
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7,Only rectangular or L-shaped capacitors allowed,,,
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8,"Min space, no overlap, between via2 and capm",,0.14,µm
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11,Min spacing between capm to (met3 not overlapping capm),,0.5,µm
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,,,
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,,,
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,,,
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,,,
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,,,
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,,,
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,,,
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,,,
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,,,
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,,,
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(cap2m.-),MIM Capacitor (Cap2m),,sky130
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,Function: Defines MIM capacitor,,
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,,,
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1,Min width of cap2m,,1,µm
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2a,Min spacing of cap2m to cap2m,,0.84,µm
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2b,Minimum spacing of capacitor bottom_plate to bottom plate,,1.2,µm
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3,Minimum enclosure of cap2m (top_plate) by met4,,0.14,µm
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4,Min enclosure of via4 by cap2m,,0.2,µm
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5,Min spacing between cap2m and via3,,0.2,µm
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6,Maximum Aspect Ratio (Length/Width),,20,
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7,Only rectangular or L-shaped capacitors allowed,,,
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8,"Min space, no overlap, between via3 and cap2m",,0.14,µm
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11,Min spacing between cap2m to (met3 not overlapping cap2m),,0.5,µm
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,,,
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,,,
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,,,
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