component

SN74LS21DR

Public Made by Adom

by adom

Texas Instruments Gates, SOIC-14. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.

componentlogicsn74ls21dr
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History of page.json

13 commits ← Back to file
sn74ls21dr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body…
Ray · dd32055 ·
sn74ls21dr: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
Ray · 531af4f ·
Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout")
Ray · 8c94d13 ·
sn74ls21dr: laser-etched CAD + chip hero (factory 2.0.0 backfill)
Ray · 4c309b2 ·
sn74ls21dr: stamp component.logic (74LS21) from component-ocean
Ray · 71b4ac1 ·
sn74ls21dr: backfill missing artifacts (variants)
Ray · 9ce84e8 ·
sn74ls21dr: publish the laser-etched STEP alongside the bare one
Ray · 803ea57 ·
Publish 0.2.0
Ray · ef21973 ·
orderable attributes: rebuild .lbr with adom-lbr 2.18.0 so MPN, MANUFACTURER and the distributor part numbers reach <te…
Ray · 5b16b2c ·
pin 1: carry the footprint's marker into the .lbr, the viewer and page.json (silk-marker, drawn, top-left)
Ray · f29a889 ·
Set visibility: public
Ray · b5c8605 ·
sn74ls21dr: factory component page (tier=mfr)
Ray · c55d8b0 ·
Initial commit: component/sn74ls21dr
Ray · 1513231 ·