component

SN74LS21DR

Public Made by Adom

by adom

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

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History of sn74ls21dr-etched.glb

3 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: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero
Ray · 69103cd ·
sn74ls21dr: laser-etched CAD + chip hero (factory 2.0.0 backfill)
Ray · 4c309b2 ·