CD4541BE

@@ -53,19 +53,19 @@         "number": "1",         "name": "RTC",         "type": "passive",-        "description": "Timing resistor connection for RC oscillator per f=1/(2.3\u00d7RTC\u00d7CTC) with 2RTC\u2248CTC constraint, operating range 1kHz to 100kHz."+        "description": "Timing resistor connection for RC oscillator per f=1/(2.3×RTC×CTC) with 2RTC≈CTC constraint, operating range 1kHz to 100kHz."       },       {         "number": "2",         "name": "CTC",         "type": "passive",-        "description": "Timing capacitor connection for RC oscillator per f=1/(2.3\u00d7RTC\u00d7CTC) with 2RTC\u2248CTC constraint, operating range 1kHz to 100kHz."+        "description": "Timing capacitor connection for RC oscillator per f=1/(2.3×RTC×CTC) with 2RTC≈CTC constraint, operating range 1kHz to 100kHz."       },       {         "number": "3",         "name": "RS",         "type": "input",-        "description": "Series resistor connection for RC oscillator (RS \u2265 10k\u03a9 minimum) that alternatively accepts external clock input DC to 100kHz instead of internal oscillator."+        "description": "Series resistor connection for RC oscillator (RS ≥ 10kΩ minimum) that alternatively accepts external clock input DC to 100kHz instead of internal oscillator."       },       {         "number": "4",@@ -101,7 +101,7 @@         "number": "9",         "name": "Q/Q SELECT",         "type": "input",-        "description": "Output polarity select input; logic 0 selects Q output initially low after reset, logic 1 selects Q\u0304 output initially high after reset."+        "description": "Output polarity select input; logic 0 selects Q output initially low after reset, logic 1 selects Q̄ output initially high after reset."       },       {         "number": "10",@@ -119,7 +119,7 @@         "number": "12",         "name": "A",         "type": "input",-        "description": "Frequency select input A; combined with B input selects counter stage for frequency division factor: (A,B)=(0,0)\u219213-stage/8192, (0,1)\u219210-stage/1024, (1,0)\u21928-stage/256, (1,1)\u219216-stage/65536."+        "description": "Frequency select input A; combined with B input selects counter stage for frequency division factor: (A,B)=(0,0)→13-stage/8192, (0,1)→10-stage/1024, (1,0)→8-stage/256, (1,1)→16-stage/65536."       },       {         "number": "13",@@ -166,6 +166,46 @@     "viewers": {       "symbol": "viewers/symbol.html",       "footprint": "viewers/footprint.html"-    }+    },+    "models_3d": [+      {+        "file": "cd4541be.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "body on z = 0, through-hole leads below",+        "extents_mm": [+          7.874,+          19.05,+          6.98+        ],+        "zmin_mm": -3.3,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "3dae072a95c64bee0d1e58be8e75383639f5017ab982de1749d05808a4eed058",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "cd4541be-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "body on z = 0, through-hole leads below",+        "extents_mm": [+          7.874,+          19.05,+          6.98+        ],+        "zmin_mm": -3.3,+        "centre_offset_mm": 0.0,+        "footprint_binding": "identity",+        "sha256": "29cd175e78a47202962c718b1c261c8195dc6a44dfea37f9f51546228b670018",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]   }-}\ No newline at end of file+}