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Implemented #579 (perimeter_only mode for antenna check) (#582)

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* WIP: added basic feature and tests.

* WIP: provide tests are GSI binding of new antenna check

* Fixed issue #579 (perimeter_only mode for antenna check)

* Updated DRC doc for 'perimeter_only'
This commit is contained in:
Matthias Köfferlein
2020-06-05 10:55:07 +02:00
committed by GitHub
parent 0c0d247c23
commit 2d0a9418f9
12 changed files with 138 additions and 19 deletions
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testdata/algo/antenna_au1.gds
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testdata/drc/drcSimpleTests_7.drc
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@@ -52,3 +52,10 @@ antenna_check(area_and_perimeter(gate, 70.nm), area_only(metal2), 5.0, diode).ou
antenna_check(area_and_perimeter(gate, 0.07), area_only(metal2), 10.0, diode).output(410)
antenna_check(area_and_perimeter(gate, 0.07), area_only(metal2), 50.0, diode).output(450)
antenna_check(perimeter_only(gate, 0.07.um), area_only(metal2), 1.0, diode).output(501)
antenna_check(perimeter_only(gate, 0.07.um), area_only(metal2), 1.5, diode).output(502)
antenna_check(perimeter_only(gate, 0.07.um), area_only(metal2), 2.0, diode).output(503)
antenna_check(perimeter_only(gate, 70.nm), area_only(metal2), 5.0, diode).output(505)
antenna_check(perimeter_only(gate, 0.07), area_only(metal2), 10.0, diode).output(510)
antenna_check(perimeter_only(gate, 0.07), area_only(metal2), 50.0, diode).output(550)
testdata/drc/drcSimpleTests_au7.gds
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testdata/ruby/dbLayoutToNetlist.rb
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@@ -798,6 +798,15 @@ END
assert_equal((a5_15.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(501, 0)))).to_s, "")
assert_equal((a5_29.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(502, 0)))).to_s, "")
b5_5 = l2n.antenna_check(rpoly, 2.0, 0.0, rmetal2, 1.0, 1.0, 2.5)
b5_15 = l2n.antenna_check(rpoly, 2.0, 0.0, rmetal2, 1.0, 1.0, 7.5)
b5_29 = l2n.antenna_check(rpoly, 2.0, 0.0, rmetal2, 1.0, 1.0, 14.5)
# Note: flatten.merged performs some normalization
assert_equal((b5_5.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(500, 0)))).to_s, "")
assert_equal((b5_15.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(501, 0)))).to_s, "")
assert_equal((b5_29.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(502, 0)))).to_s, "")
# --- antenna check gate perimeter included
l2n._destroy
@@ -830,6 +839,15 @@ END
assert_equal((a6_5.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(601, 0)))).to_s, "")
assert_equal((a6_9.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(602, 0)))).to_s, "")
b6_3 = l2n.antenna_check(rpoly, 1.0, 0.3, rmetal2, 2.0, 0.0, 6)
b6_5 = l2n.antenna_check(rpoly, 1.0, 0.3, rmetal2, 2.0, 0.0, 10)
b6_9 = l2n.antenna_check(rpoly, 1.0, 0.3, rmetal2, 2.0, 0.0, 18)
# Note: flatten.merged performs some normalization
assert_equal((b6_3.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(600, 0)))).to_s, "")
assert_equal((b6_5.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(601, 0)))).to_s, "")
assert_equal((b6_9.flatten ^ RBA::Region::new(ly_au.top_cell.begin_shapes_rec(ly_au.layer(602, 0)))).to_s, "")
end
end