74HC138M

@@ -0,0 +1,436 @@+{+  "spec": "adom-hero 1.4",+  "mpn": "74HC138M",+  "kind": "component + footprint reference art",+  "board_use": false,+  "plane_z_mm": -0.02,+  "units": "metre",+  "upAxis": "Z",+  "layers": {+    "pad_outlines": {+      "material": "Footprint pads - teal dashed outlines - 50 percent opacity",+      "rgba": [+        0.0,+        0.902,+        0.863,+        0.5+      ],+      "pads": 16,+      "span_mm": 9.49,+      "dash_mm": 0.2372,+      "gap_mm": 0.1424,+      "pad_stroke_mm": 0.0569+    },+    "silkscreen": {+      "material": "Silkscreen reference lines - 30 percent opacity",+      "rgba": [+        0.92,+        0.96,+        1.0,+        0.3+      ],+      "footprint_items": 7,+      "pin1": {+        "source": "footprint silkscreen",+        "pad": "1"+      }+    },+    "signal_names": {+      "material": "Signal names - 50 percent opacity",+      "rgba": [+        0.92,+        0.96,+        1.0,+        0.5+      ],+      "font": "DejaVu Sans Mono",+      "labels": 16,+      "sides": "top + mirrored underside (single-sided)",+      "fallback_to_pad_number": 0+    }+  },+  "align": {+    "ok": true,+    "centre_offset_mm": 0.0,+    "tolerance_mm": 0.759,+    "orientation_flipped": false,+    "contacts_bbox_mm": [+      -3.0,+      3.0,+      -4.65,+      4.65+    ],+    "pads_bbox_mm": [+      -3.45,+      3.45,+      -4.745,+      4.745+    ],+    "seating_z_mm": 0.0+  },+  "sources": {+    "glb": "74hc138m-etched.glb",+    "glb_sha256": "366b5215f5b3a822b30b03370e8efc2abe4c78d98f1b3eba2cdc23a27adc1b5b",+    "footprint": "74hc138m.kicad_mod",+    "footprint_sha256": "f9b5075740f7816c540ae1137f025d659beaec522ed7b86b1a5274cc9a2d8a25",+    "pins": "page.json component.pins",+    "pins_sha256": "f0b34bf9498eb45799a806f8aa32b91da2ef8a42c98b27300bd397b227226873"+  },+  "generator": "adom-wiki 1.8.24 (component_hero)",+  "labels": [+    {+      "pad": "1",+      "text": "A",+      "x": -3.6,+      "y": -4.445,+      "align": "right",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "2",+      "text": "B",+      "x": -3.6,+      "y": -3.175,+      "align": "right",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "3",+      "text": "C",+      "x": -3.6,+      "y": -1.905,+      "align": "right",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "4",+      "text": "~{G2A}",+      "x": -3.6,+      "y": -0.635,+      "align": "right",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "5",+      "text": "~{G2B}",+      "x": -3.6,+      "y": 0.635,+      "align": "right",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "6",+      "text": "G1",+      "x": -3.6,+      "y": 1.905,+      "align": "right",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "7",+      "text": "Y7",+      "x": -3.6,+      "y": 3.175,+      "align": "right",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "8",+      "text": "GND",+      "x": -3.6,+      "y": 4.445,+      "align": "right",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "9",+      "text": "Y6",+      "x": 3.6,+      "y": 4.445,+      "align": "left",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "10",+      "text": "Y5",+      "x": 3.6,+      "y": 3.175,+      "align": "left",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "11",+      "text": "Y4",+      "x": 3.6,+      "y": 1.905,+      "align": "left",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "12",+      "text": "Y3",+      "x": 3.6,+      "y": 0.635,+      "align": "left",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "13",+      "text": "Y2",+      "x": 3.6,+      "y": -0.635,+      "align": "left",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "14",+      "text": "Y1",+      "x": 3.6,+      "y": -1.905,+      "align": "left",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "15",+      "text": "Y0",+      "x": 3.6,+      "y": -3.175,+      "align": "left",+      "vertical": false,+      "h": 0.6+    },+    {+      "pad": "16",+      "text": "VCC",+      "x": 3.6,+      "y": -4.445,+      "align": "left",+      "vertical": false,+      "h": 0.6+    }+  ],+  "pads": [+    {+      "number": "1",+      "shape": "roundrect",+      "center_mm": [+        -2.475,+        -4.445+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "2",+      "shape": "roundrect",+      "center_mm": [+        -2.475,+        -3.175+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "3",+      "shape": "roundrect",+      "center_mm": [+        -2.475,+        -1.905+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "4",+      "shape": "roundrect",+      "center_mm": [+        -2.475,+        -0.635+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "5",+      "shape": "roundrect",+      "center_mm": [+        -2.475,+        0.635+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "6",+      "shape": "roundrect",+      "center_mm": [+        -2.475,+        1.905+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "7",+      "shape": "roundrect",+      "center_mm": [+        -2.475,+        3.175+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "8",+      "shape": "roundrect",+      "center_mm": [+        -2.475,+        4.445+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "9",+      "shape": "roundrect",+      "center_mm": [+        2.475,+        4.445+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "10",+      "shape": "roundrect",+      "center_mm": [+        2.475,+        3.175+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "11",+      "shape": "roundrect",+      "center_mm": [+        2.475,+        1.905+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "12",+      "shape": "roundrect",+      "center_mm": [+        2.475,+        0.635+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "13",+      "shape": "roundrect",+      "center_mm": [+        2.475,+        -0.635+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "14",+      "shape": "roundrect",+      "center_mm": [+        2.475,+        -1.905+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "15",+      "shape": "roundrect",+      "center_mm": [+        2.475,+        -3.175+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    },+    {+      "number": "16",+      "shape": "roundrect",+      "center_mm": [+        2.475,+        -4.445+      ],+      "size_mm": [+        1.95,+        0.6+      ],+      "rot": 0.0+    }+  ]+}

@@ -1,6 +1,6 @@ {   "slug": "74hc138m",-  "version": "0.2.1",+  "version": "0.2.2",   "type": "component",   "description": "HGSEMI Signal Switches / Encoders & Decoders / Multiplexers, SOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",   "tags": [@@ -27,7 +27,220 @@     "viewers/symbol.html",     "viewers/footprint.html",     "pads.json",-    "74hc138m-etched.glb"+    "74hc138m-etched.glb",+    "74hc138m-hero.glb",+    "74hc138m-hero.overlay.json"   ],-  "visibility": "public"+  "visibility": "public",+  "component": {+    "mpn": "74HC138M",+    "manufacturer": "HGSEMI",+    "package": "SOP-16",+    "pin_count": 16,+    "category": "Logic",+    "subcategory": "Signal Switches / Encoders & Decoders / Multiplexers",+    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/07be5a559e6577be8c0e79e31dfb4209.pdf",+    "parts": {+      "symbol": "74hc138m.kicad_sym",+      "footprint": "74hc138m.kicad_mod",+      "model_3d": "74hc138m-hero.glb",+      "model_3d_plain": "74hc138m.glb",+      "model_3d_step": "74hc138m-etched.step",+      "model_3d_step_plain": "74hc138m.step",+      "lbr": "74hc138m.lbr"+    },+    "distributor_links": {},+    "pins": [+      {+        "number": "1",+        "name": "A",+        "type": "input",+        "description": "Address select input bit 0 (LSB). Binary-weighted select input combined with B and C to choose which of Y0-Y7 is asserted low."+      },+      {+        "number": "2",+        "name": "B",+        "type": "input",+        "description": "Address select input bit 1. Binary-weighted select input combined with A and C to choose the active output."+      },+      {+        "number": "3",+        "name": "C",+        "type": "input",+        "description": "Address select input bit 2 (MSB). Binary-weighted select input combined with A and B to choose the active output."+      },+      {+        "number": "4",+        "name": "~{G2A}",+        "type": "input",+        "description": "Active-low enable input. Both G2A and G2B must be low (and G1 high) for any output to be selected; otherwise all outputs are held high."+      },+      {+        "number": "5",+        "name": "~{G2B}",+        "type": "input",+        "description": "Active-low enable input. Both G2A and G2B must be low (and G1 high) for any output to be selected; otherwise all outputs are held high."+      },+      {+        "number": "6",+        "name": "G1",+        "type": "input",+        "description": "Active-high enable input. Must be high (with G2A and G2B low) to enable the decoder outputs."+      },+      {+        "number": "7",+        "name": "Y7",+        "type": "output",+        "description": "Decoded output 7 (active-low). Driven low when enabled and CBA = 111; otherwise high. Drive capability 5.2 mA at VCC=6V."+      },+      {+        "number": "8",+        "name": "GND",+        "type": "power_in",+        "description": "Ground / negative supply reference (0 V)."+      },+      {+        "number": "9",+        "name": "Y6",+        "type": "output",+        "description": "Decoded output 6 (active-low). Driven low when enabled and CBA = 110; otherwise high."+      },+      {+        "number": "10",+        "name": "Y5",+        "type": "output",+        "description": "Decoded output 5 (active-low). Driven low when enabled and CBA = 101; otherwise high."+      },+      {+        "number": "11",+        "name": "Y4",+        "type": "output",+        "description": "Decoded output 4 (active-low). Driven low when enabled and CBA = 100; otherwise high."+      },+      {+        "number": "12",+        "name": "Y3",+        "type": "output",+        "description": "Decoded output 3 (active-low). Driven low when enabled and CBA = 011; otherwise high."+      },+      {+        "number": "13",+        "name": "Y2",+        "type": "output",+        "description": "Decoded output 2 (active-low). Driven low when enabled and CBA = 010; otherwise high."+      },+      {+        "number": "14",+        "name": "Y1",+        "type": "output",+        "description": "Decoded output 1 (active-low). Driven low when enabled and CBA = 001; otherwise high."+      },+      {+        "number": "15",+        "name": "Y0",+        "type": "output",+        "description": "Decoded output 0 (active-low). Driven low when enabled and CBA = 000; otherwise high."+      },+      {+        "number": "16",+        "name": "VCC",+        "type": "power_in",+        "description": "Positive supply input. Operating range 2.0 V to 6.0 V (absolute max 6.5 V). Bypass with a 100 nF ceramic close to the pin."+      }+    ],+    "provenance": {+      "extractor": "ds2sf",+      "datasheet": {+        "url": "https://datasheet.lcsc.com/datasheet/pdf/07be5a559e6577be8c0e79e31dfb4209.pdf",+        "pages": 10,+        "sha256": "c1019058ded7c03f",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 16,+        "described": 16,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "pin1": {+      "pad": "1",+      "at": [+        -2.475,+        -4.445+      ],+      "corner": "top-left",+      "source": "silk-marker",+      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",+      "mark": "drawn"+    },+    "logic": {+      "family_id": "74HC138",+      "logic_family": "74HC",+      "function_code": "138",+      "function_class": "Decoder",+      "function_name": "3-to-8 Line Decoder/Demultiplexer",+      "manufacturer": null,+      "is_specialty": false+    },+    "models_3d": [+      {+        "file": "74hc138m.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          9.9,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "74hc138m-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          9.9,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "42b92265ffece78a868db58d4d92af5a1220173fccd89fde5717414db86a2ec6",+        "checked": "2026-11-12",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]+  },+  "title": "74HC138M",+  "brief": "HGSEMI Signal Switches / Encoders & Decoders / Multiplexers, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",+  "metadata": {+    "specs": {+      "Manufacturer": "HGSEMI",+      "Package": "SOP-16",+      "Category": "Logic",+      "Pins": "16"+    }+  },+  "discovery_triggers": [+    "74hc138m"+  ],+  "discovery_pitch": "74HC138M (HGSEMI) component page with datasheet-verified CAD." }