SN74HC139 Dual 2-to-4 Decoder - Commit

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sn74hc139: component.models_3d pose record per STEP (Z-up, seated z=0, pad-centre origin, identity binding)

Ray ·7b559dfa9a ·1mo ago ·parent 00eb167

1 file changed +42−2

page.json+42−2

@@ -158,7 +158,47 @@       "function_name": "Dual 2-to-4 Line Decoder/Demultiplexer",       "manufacturer": "Texas Instruments",       "is_specialty": false-    }+    },+    "models_3d": [+      {+        "file": "sn74hc139.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": "sn74hc139-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": "5f97d7ae88e4141f799138448fc5ca7b92cabaaffe218ad3dea54181cee8f218",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]   },   "metadata": {     "specs": {@@ -240,4 +280,4 @@       "kind": "unknown"     }   ]-}\ No newline at end of file+}