component

CD74HC21E

Public Made by Adom

by adom

Texas Instruments Gates, PDIP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentlogic icscd74hc21efactory-2.0.0extractor-text

Verified CD74HC21E

by Ray · last 31 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

31 Oct 2026RayPublished by the parts factory: tier mfr, 14 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: CD74HC21E · PDIP-14 · 14 pins
  • ✓copper: 14 copper pads, none touching another net
  • ✓datasheet: all 14 pin names found in the 26-page datasheet
  • ✓distributor: lcsc C2864857, digikey 2156-CD74HC21E-HC-ND, mouser 595-CD74HC21E
  • ✓family: DIP-14_W7.62mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-ydfv61ru/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: 14 pins = 14 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 14 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ cd74hc21e.kicad_sym✓ cd74hc21e.kicad_mod✓ cd74hc21e.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, 14 pins
Ray · deba277 · 12h ago
Set visibility: public
Ray · 6f44207 · 12h ago
cd74hc21e: viewers
Ray · 2bde778 · 12h ago
cd74hc21e: hero GLB from the etched model (keeps the MPN mark)
Ray · f8b6624 · 12h ago
cd74hc21e: factory component page (tier=mfr)
Ray · 3663d49 · 12h ago
Publish 0.1.0
Ray · 81f576c · 12h ago