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Initial commit: component/cd74hc137pwr

Ray ·45f488921c ·
2 files changed +258
README.mdadded+52
@@ -0,0 +1,52 @@+# CD74HC137PWR++**Texas Instruments** · Signal Switches, Multiplexers, Decoders · TSSOP-16++CD74HC137PWR from Texas Instruments, in a TSSOP-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 | Address select input A0, the least significant bit of the 3-bit decoder address |+| 2 | A1 | input | Address select input A1, the middle bit of the 3-bit decoder address |+| 3 | A2 | input | Address select input A2, the most significant bit of the 3-bit decoder address |+| 4 | LE | input | Latch Enable input, active high; when high, latches the A0-A2 address inputs |+| 5 | OE1 | input | Output Enable input 1; selected output is active when OE0=H and OE1=L |+| 6 | OE0 | input | Output Enable input 0; selected output is active when OE0=H and OE1=L |+| 7 | Y7 | output | Decoder output 7, active low when selected and enabled |+| 8 | GND | power_in | Ground, 0V reference |+| 9 | Y6 | output | Decoder output 6, active low when selected and enabled |+| 10 | Y5 | output | Decoder output 5, active low when selected and enabled |+| 11 | Y4 | output | Decoder output 4, active low when selected and enabled |+| 12 | Y3 | output | Decoder output 3, active low when selected and enabled |+| 13 | Y2 | output | Decoder output 2, active low when selected and enabled |+| 14 | Y1 | output | Decoder output 1, active low when selected and enabled |+| 15 | Y0 | output | Decoder output 0, active low when selected and enabled |+| 16 | VCC | power_in | Positive supply voltage; 2V to 6V for HC types |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | TSSOP-16 |+| Category | Logic |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `CD74HC137PWR`+- Footprint: `Package_SO:TSSOP-16_4.4x5mm_P0.65mm`+- 3D model: TSSOP-16 (KiCad packages3D, STEP)+- 3D model files: `cd74hc137pwr-etched.step` / `cd74hc137pwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `cd74hc137pwr.step` / `cd74hc137pwr.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/cd74hc137.pdf) (27 pp, sha256 `392e1dad7454b4a5`, retrieved 2026-09-27, tier: manufacturer)+- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.2`, primary `claude-haiku-4-5-20251001` (text), consensus `claude-sonnet-4-6` (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/cd74hc137pwr-datasheet.pdf)
page.jsonadded+206
@@ -0,0 +1,206 @@+{+  "slug": "cd74hc137pwr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "logic",+    "cd74hc137pwr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "cd74hc137pwr.kicad_sym",+    "cd74hc137pwr.kicad_mod",+    "cd74hc137pwr.glb",+    "cd74hc137pwr.step",+    "cd74hc137pwr.lbr",+    "docs/hero.png",+    "docs/cd74hc137pwr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "CD74HC137PWR",+    "manufacturer": "Texas Instruments",+    "package": "TSSOP-16",+    "pin_count": 16,+    "category": "Logic",+    "subcategory": "Signal Switches, Multiplexers, Decoders",+    "datasheet": "https://www.ti.com/lit/ds/symlink/cd74hc137.pdf",+    "parts": {+      "symbol": "cd74hc137pwr.kicad_sym",+      "footprint": "cd74hc137pwr.kicad_mod",+      "model_3d": "cd74hc137pwr-etched.glb",+      "model_3d_plain": "cd74hc137pwr.glb",+      "model_3d_step": "cd74hc137pwr-etched.step",+      "model_3d_step_plain": "cd74hc137pwr.step",+      "lbr": "cd74hc137pwr.lbr"+    },+    "distributor_links": {+      "lcsc": "C1849452",+      "digikey": "296-CD74HC137PWRTR-ND",+      "mouser": "595-CD74HC137PWR"+    },+    "distributor_check": {+      "checked_at": "2026-09-27T03:19:32Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-CD74HC137PWRTR-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-CD74HC137PWR",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "A0",+        "type": "input",+        "description": "Address select input A0, the least significant bit of the 3-bit decoder address"+      },+      {+        "number": "2",+        "name": "A1",+        "type": "input",+        "description": "Address select input A1, the middle bit of the 3-bit decoder address"+      },+      {+        "number": "3",+        "name": "A2",+        "type": "input",+        "description": "Address select input A2, the most significant bit of the 3-bit decoder address"+      },+      {+        "number": "4",+        "name": "LE",+        "type": "input",+        "description": "Latch Enable input, active high; when high, latches the A0-A2 address inputs"+      },+      {+        "number": "5",+        "name": "OE1",+        "type": "input",+        "description": "Output Enable input 1; selected output is active when OE0=H and OE1=L"+      },+      {+        "number": "6",+        "name": "OE0",+        "type": "input",+        "description": "Output Enable input 0; selected output is active when OE0=H and OE1=L"+      },+      {+        "number": "7",+        "name": "Y7",+        "type": "output",+        "description": "Decoder output 7, active low when selected and enabled"+      },+      {+        "number": "8",+        "name": "GND",+        "type": "power_in",+        "description": "Ground, 0V reference"+      },+      {+        "number": "9",+        "name": "Y6",+        "type": "output",+        "description": "Decoder output 6, active low when selected and enabled"+      },+      {+        "number": "10",+        "name": "Y5",+        "type": "output",+        "description": "Decoder output 5, active low when selected and enabled"+      },+      {+        "number": "11",+        "name": "Y4",+        "type": "output",+        "description": "Decoder output 4, active low when selected and enabled"+      },+      {+        "number": "12",+        "name": "Y3",+        "type": "output",+        "description": "Decoder output 3, active low when selected and enabled"+      },+      {+        "number": "13",+        "name": "Y2",+        "type": "output",+        "description": "Decoder output 2, active low when selected and enabled"+      },+      {+        "number": "14",+        "name": "Y1",+        "type": "output",+        "description": "Decoder output 1, active low when selected and enabled"+      },+      {+        "number": "15",+        "name": "Y0",+        "type": "output",+        "description": "Decoder output 0, active low when selected and enabled"+      },+      {+        "number": "16",+        "name": "VCC",+        "type": "power_in",+        "description": "Positive supply voltage; 2V to 6V for HC types"+      }+    ],+    "provenance": {+      "extractor": "extract_pins 0.2",+      "factory_chain": {+        "factory": "2.0.0",+        "extractor": "extract_pins 0.2",+        "primary_model": "claude-haiku-4-5-20251001",+        "primary_mode": "text",+        "consensus_model": "claude-sonnet-4-6",+        "consensus": "agreed",+        "guards": "pin_guards 0.1: passed",+        "guard_notes": [+          "extractor flagged: The TSSOP package pinout diagram in the datasheet (PAGE 2) uses a text representation that is ambigu"+        ],+        "pages_sent": 27,+        "cost_usd": 0.4065,+        "at": "2026-09-27T03:19:14"+      },+      "datasheet": {+        "url": "https://www.ti.com/lit/ds/symlink/cd74hc137.pdf",+        "pages": 27,+        "sha256": "392e1dad7454b4a5",+        "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