component
SN74HC138
Public Made by Adomby adom
TI 3-to-8 line decoder/demultiplexer, SOIC-16. Three enables, eight active-low outputs, HC CMOS 2-6 V. Datasheet-verified.
← Commit history
sn74hc138: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)
1 file changed
+42−2
page.json+42−2@@ -159,7 +159,47 @@ "function_name": "3-to-8 Line Decoder/Demultiplexer", "manufacturer": "Texas Instruments", "is_specialty": false- }+ },+ "models_3d": [+ {+ "file": "sn74hc138.step",+ "role": "plain",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.0,+ 9.9,+ 1.75+ ],+ "zmin_mm": -0.0,+ "centre_offset_mm": 0.0,+ "footprint_binding": "identity",+ "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ },+ {+ "file": "sn74hc138-etched.step",+ "role": "eda",+ "up": "Z",+ "units": "mm",+ "origin": "footprint origin = pad-pattern centre",+ "seat": "z = 0",+ "extents_mm": [+ 6.0,+ 9.9,+ 1.75+ ],+ "zmin_mm": -0.0,+ "centre_offset_mm": 0.0,+ "footprint_binding": "identity",+ "sha256": "f2e0f9af5f7909f5e497cbcfc33314b7f8513a88f72ad0e9522cfa2b5257de2a",+ "checked": "2026-10-07",+ "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+ }+ ] }, "metadata": { "specs": {@@ -220,4 +260,4 @@ "kind": "packaging" } ]-}+}