49 lines
2.1 KiB
Plaintext
49 lines
2.1 KiB
Plaintext
(version 1)
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# The edge-launch SMA copper must reach the routed board edge by construction.
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(rule "J2 edge-launch lands"
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(condition "A.Reference == 'J2' || B.Reference == 'J2'")
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(constraint edge_clearance (min -0.01mm)))
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# The manufacturer USB-C locating holes are 0.194 mm from grounded shell
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# lands. This exception is internal to the qualified connector footprint.
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(rule "USB-C locating-hole clearance"
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(condition "A.Reference == 'J1' && B.Reference == 'J1'")
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(constraint hole_clearance (min 0.19mm)))
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# RZV0024A is an ultra-dense high-current package. Its adjusted corner lands
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# and thermal zones meet the selected JLCPCB 0.10-mm copper rule.
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(rule "TPS6287B RZV internal clearance"
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(condition "A.Reference == 'U13' && B.Reference == 'U13'")
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(constraint clearance (min 0.10mm)))
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# A 0.45-mm dogbone via at the centre of four 0.8-mm-pitch BGA lands has
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# 0.1407-mm geometric clearance. This local rule is still well above the
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# selected fabricator's 0.10-mm copper minimum; clocks retain 0.15 mm outside
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# the U1 escape field.
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(rule "Ti375 0.8-mm BGA dogbone clearance"
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(condition "A.Reference == 'U1' || B.Reference == 'U1'")
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(constraint clearance (min 0.14mm)))
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# JLC08161H-3313 L1/L2 geometry. Net-class widths are routing defaults only;
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# these rules make the controlled-impedance geometries actual DRC limits.
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(rule "GNSS 50-ohm CPWG geometry"
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(condition "A.NetClass == 'RF50_CPWG'")
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(constraint track_width (min 0.164mm) (opt 0.164mm) (max 0.164mm)))
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(rule "GNSS RF stays on top layer"
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(condition "A.NetClass == 'RF50_CPWG' && A.Type == 'Track' && A.Layer != 'F.Cu'")
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(constraint disallow track))
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(rule "USB2 90-ohm differential geometry"
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(condition "A.NetClass == 'USB90_DIFF'")
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(constraint track_width (min 0.135mm) (opt 0.135mm) (max 0.135mm)))
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(rule "USB2 coupled gap"
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(condition "A.NetClass == 'USB90_DIFF' && AB.isCoupledDiffPair()")
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(constraint diff_pair_gap (min 0.15mm) (opt 0.15mm) (max 0.15mm)))
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(rule "Clock trunk width outside Ti375 escape"
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(condition "A.NetClass == 'CLOCK' && A.Type == 'Track' && !A.insideCourtyard('U1')")
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(constraint track_width (min 0.15mm)))
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