component

AT28HC256-70SU

Public Made by Adom

by adom

Microchip Tech Pre-ordered MCUs, SOIC-28-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentembedded processors & controllersat28hc256-70sufactory-2.0.0extractor-text

Verified AT28HC256-70SU

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 28 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: AT28HC256-70SU · SOIC-28-300mil · 28 pins
  • ✓copper: 28 copper pads, none touching another net
  • ✓datasheet: all 28 pin names found in the 34-page datasheet
  • ✓distributor: lcsc C609689, digikey AT28HC256-70SU-ND, mouser 556-AT28HC256-70SU
  • ✓family: SOIC-28W_7.5x17.9mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-9d7_amj_/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • •package_fit (skip): no component.package_dims on the page: the model is unchecked against the datasheet drawing
  • ✓pads: 28 pins = 28 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 28 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ at28hc256-70su.kicad_sym✓ at28hc256-70su.kicad_mod✓ at28hc256-70su.step
Spot something wrong? Report it as an issue Propose a fix Records are signed by members of adom.
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Commit History

6 commits ← Back to Activity
Verified: Published by the parts factory: tier mfr, 28 pins
Ray · 06d1b0a · 5d ago
Set visibility: public
Ray · 34beb9c · 5d ago
at28hc256-70su: viewers
Ray · e1d64b6 · 5d ago
at28hc256-70su: hero GLB from the etched model (keeps the MPN mark)
Ray · 2eb6aeb · 5d ago
at28hc256-70su: factory component page (tier=mfr)
Ray · 0366068 · 5d ago
Publish 0.1.0
Ray · 86ce6f5 · 5d ago