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Initial commit: component/sn74lv138adr

Ray ·663707ab1f ·5d ago
2 files changed +255
README.mdadded+52
@@ -0,0 +1,52 @@+# SN74LV138ADR++**Texas Instruments** · Signal Switches, Multiplexers, Decoders · SOIC-16++SN74LV138ADR from Texas Instruments, in a SOIC-16. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.++## Pinout++| Pin | Name | Type | Function |+|---|---|---|---|+| 1 | A0 | input | Binary-select address input 0 for 3-line decoder. |+| 2 | A1 | input | Binary-select address input 1 for 3-line decoder. |+| 3 | A2 | input | Binary-select address input 2 for 3-line decoder. |+| 4 | G0 | input | Active-low strobe input to enable decoder operation. |+| 5 | G1 | input | Active-low strobe input to enable decoder operation. |+| 6 | G2 | input | Active-high strobe input to enable decoder operation. |+| 7 | Y7 | output | Decoded output 7. |+| 8 | GND | power_in | Ground reference. |+| 9 | Y6 | output | Decoded output 6. |+| 10 | Y5 | output | Decoded output 5. |+| 11 | Y4 | output | Decoded output 4. |+| 12 | Y3 | output | Decoded output 3. |+| 13 | Y2 | output | Decoded output 2. |+| 14 | Y1 | output | Decoded output 1. |+| 15 | Y0 | output | Decoded output 0. |+| 16 | VCC | power_in | Positive power supply, 2V to 5.5V operating range. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16 |+| Category | Logic |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `SN74LV138ADR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16 (KiCad packages3D, STEP)+- 3D model files: `sn74lv138adr-etched.step` / `sn74lv138adr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lv138adr.step` / `sn74lv138adr.glb` are the bare package body.++## Provenance++Data extracted from the manufacturer datasheet, not a distributor listing:++- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/lit/ds/symlink/sn74lv138a.pdf) (40 pp, sha256 `2c24708519ee350d`, retrieved 2026-10-01, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-5-5` (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.+- **CAD:** KiCad official libraries (CC-BY-SA 4.0).++[Datasheet PDF](docs/sn74lv138adr-datasheet.pdf)
page.jsonadded+203
@@ -0,0 +1,203 @@+{+  "slug": "sn74lv138adr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "logic",+    "sn74lv138adr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "sn74lv138adr.kicad_sym",+    "sn74lv138adr.kicad_mod",+    "sn74lv138adr.glb",+    "sn74lv138adr.step",+    "sn74lv138adr.lbr",+    "docs/hero.png",+    "docs/sn74lv138adr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "SN74LV138ADR",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-16",+    "pin_count": 16,+    "category": "Logic",+    "subcategory": "Signal Switches, Multiplexers, Decoders",+    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lv138a.pdf",+    "parts": {+      "symbol": "sn74lv138adr.kicad_sym",+      "footprint": "sn74lv138adr.kicad_mod",+      "model_3d": "sn74lv138adr-etched.glb",+      "model_3d_plain": "sn74lv138adr.glb",+      "model_3d_step": "sn74lv138adr-etched.step",+      "model_3d_step_plain": "sn74lv138adr.step",+      "lbr": "sn74lv138adr.lbr"+    },+    "distributor_links": {+      "lcsc": "C2653277",+      "digikey": "296-1676-2-ND",+      "mouser": "595-SN74LV138ADR"+    },+    "distributor_check": {+      "checked_at": "2026-10-01T01:11:07Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-1676-2-ND",+        "status": "found"+      },+      "mouser": {+        "pn": "595-SN74LV138ADR",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "A0",+        "type": "input",+        "description": "Binary-select address input 0 for 3-line decoder."+      },+      {+        "number": "2",+        "name": "A1",+        "type": "input",+        "description": "Binary-select address input 1 for 3-line decoder."+      },+      {+        "number": "3",+        "name": "A2",+        "type": "input",+        "description": "Binary-select address input 2 for 3-line decoder."+      },+      {+        "number": "4",+        "name": "G0",+        "type": "input",+        "description": "Active-low strobe input to enable decoder operation."+      },+      {+        "number": "5",+        "name": "G1",+        "type": "input",+        "description": "Active-low strobe input to enable decoder operation."+      },+      {+        "number": "6",+        "name": "G2",+        "type": "input",+        "description": "Active-high strobe input to enable decoder operation."+      },+      {+        "number": "7",+        "name": "Y7",+        "type": "output",+        "description": "Decoded output 7."+      },+      {+        "number": "8",+        "name": "GND",+        "type": "power_in",+        "description": "Ground reference."+      },+      {+        "number": "9",+        "name": "Y6",+        "type": "output",+        "description": "Decoded output 6."+      },+      {+        "number": "10",+        "name": "Y5",+        "type": "output",+        "description": "Decoded output 5."+      },+      {+        "number": "11",+        "name": "Y4",+        "type": "output",+        "description": "Decoded output 4."+      },+      {+        "number": "12",+        "name": "Y3",+        "type": "output",+        "description": "Decoded output 3."+      },+      {+        "number": "13",+        "name": "Y2",+        "type": "output",+        "description": "Decoded output 2."+      },+      {+        "number": "14",+        "name": "Y1",+        "type": "output",+        "description": "Decoded output 1."+      },+      {+        "number": "15",+        "name": "Y0",+        "type": "output",+        "description": "Decoded output 0."+      },+      {+        "number": "16",+        "name": "VCC",+        "type": "power_in",+        "description": "Positive power supply, 2V to 5.5V operating range."+      }+    ],+    "provenance": {+      "extractor": "extract_pins 0.3",+      "factory_chain": {+        "factory": "2.0.0",+        "extractor": "extract_pins 0.3",+        "primary_model": "claude-haiku-4-5-20251001",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-5-5",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [],+        "pages_sent": 9,+        "cost_usd": 0.1064,+        "at": "2026-10-01T01:10:50"+      },+      "datasheet": {+        "url": "https://www.ti.com/lit/ds/symlink/sn74lv138a.pdf",+        "pages": 40,+        "sha256": "2c24708519ee350d",+        "source_tier": "mfr"+      },+      "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"+    }+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file