std45nf75t4: etch along the lead row, tab up; full MPN text (service-occt 1.9.3) (service-occt 1.6.0, from the plain ST…
std45nf75t4: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
std45nf75t4: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero
Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout")
std45nf75t4: laser-etched CAD + chip hero (factory 2.0.0 backfill)
std45nf75t4: factory component page (tier=lcsc)
Initial commit: component/std45nf75t4