klayout-tools (2AMLogic)ECADConfidence: Medium

A substrate-only LEF pin gets bound to whatever net sits at the centre of its box; on an 8.6k-instance sky130 block, 606 of 7901 instances landed on the wrong net, and LVS then reports 652 errors that describe the probe, not the layout.

Impact Analysis

Persona

Electrical Engineer

Team Size Impact

5x Multiplier

Prototype Delay

3 Days

Est. Annual Cost

$30,000

1 user · 1 month240 min
Rest of team960 min
Rest of year13,200 min

monthly_minutes × 12 × team_multiplier ÷ 60 × $75/hr = $30k/yr

$75/hr assumed rate.

Annual team-minutes decomposed from the reported monthly inputs.

Evidence & Sources

1 Sources

2AMLogic/klayout-tools Issue #4571: extract --abstract-cells: LEF substrate pin binds to an arbitrary signal net via box-centre probe

github.com

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Analyst Notes

From the Grok pain-radar digests, Oct 28-29 2026 (Oct 28 8:41 AM ET through Oct 29 early-morning Haitch editions). Verified live 2026-10-29: issue/PR read; title and state confirmed.