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

Set visibility: public

Ray ·6f44207a45 ·12h ago ·parent 2bde778
1 file changed +7−4
page.json+7−4
page.json+7−4
@@ -183,7 +183,7 @@           6.98         ],         "zmin_mm": -3.3,-        "centre_offset_mm": 0.0,+        "centre_offset_mm": 0,         "footprint_binding": "identity",         "sha256": "3dae072a95c64bee0d1e58be8e75383639f5017ab982de1749d05808a4eed058",         "checked": "2026-10-31",@@ -202,7 +202,7 @@           6.98         ],         "zmin_mm": -3.3,-        "centre_offset_mm": 0.0,+        "centre_offset_mm": 0,         "footprint_binding": "identity",         "sha256": "39a258ba7525f5cee3434449a8a74ef5500199550d61f1f3d4349c209f4a356d",         "checked": "2026-10-31",@@ -813,5 +813,8 @@     "cd74hc21e-hero.glb",     "cd74hc21e-hero.overlay.json",     "cd74hc21e-etched.glb"-  ]-}+  ],+  "visibility": {+    "public": true+  }+}\ No newline at end of file