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Initial commit: component/lm74cim-5

Ray ·9a327ce80f ·14h ago
2 files changed +243
README.mdadded+44
@@ -0,0 +1,44 @@+# LM74CIM-5++**Texas Instruments** · Temperature Sensors · SOIC-8++LM74CIM-5 from Texas Instruments, in a SOIC-8. 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 | SI/O | bidirectional | Slave Input/Output - serial bus bi-directional data line. |+| 2 | SC | input | Slave Clock - serial bus clock input. |+| 3 | NC | unconnected | No connection. |+| 4 | GND | power_in | Power supply ground. |+| 5 | NC | unconnected | No connection. |+| 6 | NC | unconnected | No connection. |+| 7 | CS | input | Chip Select input. |+| 8 | V+ | power_in | Positive supply voltage input, 3.0V to 5.5V for LM74CIM; bypass with 0.1 μF ceramic capacitor. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-8 |+| Category | Sensors |+| Pins | 8 |++## CAD (KiCad official)++- Symbol: `LM74CIM-5`+- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`+- 3D model: SOIC-8 (KiCad packages3D, STEP)+- 3D model files: `lm74cim-5-etched.step` / `lm74cim-5-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm74cim-5.step` / `lm74cim-5.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/cn/lit/gpn/lm74) (25 pp, sha256 `f84f18c5c537a176`, retrieved 2026-10-07, tier: lcsc)+- **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/lm74cim-5-datasheet.pdf)
page.jsonadded+199
@@ -0,0 +1,199 @@+{+  "slug": "lm74cim-5",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Temperature Sensors, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "sensors",+    "lm74cim-5",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "lm74cim-5.kicad_sym",+    "lm74cim-5.kicad_mod",+    "lm74cim-5.glb",+    "lm74cim-5.step",+    "lm74cim-5.lbr",+    "docs/hero.png",+    "docs/lm74cim-5-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "lm74cim-5-hero.glb",+    "lm74cim-5-hero.overlay.json"+  ],+  "component": {+    "mpn": "LM74CIM-5",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-8",+    "pin_count": 8,+    "category": "Sensors",+    "subcategory": "Temperature Sensors",+    "datasheet": "https://www.ti.com/cn/lit/gpn/lm74",+    "parts": {+      "symbol": "lm74cim-5.kicad_sym",+      "footprint": "lm74cim-5.kicad_mod",+      "model_3d": "lm74cim-5-hero.glb",+      "model_3d_plain": "lm74cim-5.glb",+      "model_3d_step": "lm74cim-5-etched.step",+      "model_3d_step_plain": "lm74cim-5.step",+      "lbr": "lm74cim-5.lbr"+    },+    "distributor_links": {+      "lcsc": "C2865296",+      "digikey": "2156-LM74CIM-5-ND",+      "mouser": "926-LM74CIM-5"+    },+    "distributor_check": {+      "checked_at": "2026-10-07T02:21:36Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "2156-LM74CIM-5-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "926-LM74CIM-5",+        "status": "found",+        "lifecycle": "Not Recommended for New Designs"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "SI/O",+        "type": "bidirectional",+        "description": "Slave Input/Output - serial bus bi-directional data line."+      },+      {+        "number": "2",+        "name": "SC",+        "type": "input",+        "description": "Slave Clock - serial bus clock input."+      },+      {+        "number": "3",+        "name": "NC",+        "type": "unconnected",+        "description": "No connection."+      },+      {+        "number": "4",+        "name": "GND",+        "type": "power_in",+        "description": "Power supply ground."+      },+      {+        "number": "5",+        "name": "NC",+        "type": "unconnected",+        "description": "No connection."+      },+      {+        "number": "6",+        "name": "NC",+        "type": "unconnected",+        "description": "No connection."+      },+      {+        "number": "7",+        "name": "CS",+        "type": "input",+        "description": "Chip Select input."+      },+      {+        "number": "8",+        "name": "V+",+        "type": "power_in",+        "description": "Positive supply voltage input, 3.0V to 5.5V for LM74CIM; bypass with 0.1 μF ceramic capacitor."+      }+    ],+    "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": 25,+        "cost_usd": 0.1261,+        "at": "2026-10-07T02:21:20"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/lm74",+        "pages": 25,+        "sha256": "f84f18c5c537a176",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 8,+        "described": 8,+        "cites_pages": true,+        "refuses_to_fabricate": true+      }+    },+    "viewers": {+      "symbol": "viewers/symbol.html",+      "footprint": "viewers/footprint.html"+    },+    "models_3d": [+      {+        "file": "lm74cim-5.step",+        "role": "plain",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          4.9,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      },+      {+        "file": "lm74cim-5-etched.step",+        "role": "eda",+        "up": "Z",+        "units": "mm",+        "origin": "footprint origin = pad-pattern centre",+        "seat": "z = 0",+        "extents_mm": [+          6,+          4.9,+          1.75+        ],+        "zmin_mm": 0,+        "centre_offset_mm": 0,+        "footprint_binding": "identity",+        "sha256": "b009006529111057cd889ae3ddedd4f0181248ed79ae7ce168d0517c5d50f4eb",+        "checked": "2026-10-07",+        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"+      }+    ]+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file