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Initial commit: component/iso7820lldwwr

Ray ·b7a83369f0 ·19h ago
2 files changed +261
README.mdadded+53
@@ -0,0 +1,53 @@+# ISO7820LLDWWR++**Texas Instruments** · Isolated LVDS Buffers · SOIC-16-300mil++ISO7820LLDWWR from Texas Instruments, in a SOIC-16-300mil. 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 | VCC1 | power_in | Power supply for side 1, recommended 2.25 V to 5.5 V (absolute maximum 6 V). |+| 2 | GND1 | power_in | Ground connection for VCC1. |+| 3 | INA+ | input | Positive differential input, channel A. |+| 4 | INA- | input | Negative differential input, channel A. |+| 5 | INB- | input | Negative differential input, channel B. |+| 6 | INB+ | input | Positive differential input, channel B. |+| 7 | NC | unconnected | Not connected. |+| 8 | GND1 | power_in | Ground connection for VCC1. |+| 9 | GND2 | power_in | Ground connection for VCC2. |+| 10 | EN2 | input | Output enable 2; output pins on side 2 are enabled when EN2 is high or open and in high impedance state when EN2 is low. |+| 11 | OUTB+ | output | Positive differential output, channel B. |+| 12 | OUTB- | output | Negative differential output, channel B. |+| 13 | OUTA- | output | Negative differential output, channel A. |+| 14 | OUTA+ | output | Positive differential output, channel A. |+| 15 | GND2 | power_in | Ground connection for VCC2. |+| 16 | VCC2 | power_in | Power supply for side 2, recommended 2.25 V to 5.5 V (absolute maximum 6 V). |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SOIC-16-300mil |+| Category | Signal Isolation Devices |+| Pins | 16 |++## CAD (KiCad official)++- Symbol: `ISO7820LLDWWR`+- Footprint: `Package_SO:SOIC-16_3.9x9.9mm_P1.27mm`+- 3D model: SOIC-16-300mil (KiCad packages3D, STEP)+- 3D model files: `iso7820lldwwr-etched.step` / `iso7820lldwwr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `iso7820lldwwr.step` / `iso7820lldwwr.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/iso7821ll) (40 pp, sha256 `2d74a1d0aa8124a6`, retrieved 2026-10-05, tier: lcsc)+- **Datasheet language:** Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.+- **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/iso7820lldwwr-datasheet.pdf)
page.jsonadded+208
@@ -0,0 +1,208 @@+{+  "slug": "iso7820lldwwr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Isolated LVDS Buffers, SOIC-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "signal isolation devices",+    "iso7820lldwwr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "iso7820lldwwr.kicad_sym",+    "iso7820lldwwr.kicad_mod",+    "iso7820lldwwr.glb",+    "iso7820lldwwr.step",+    "iso7820lldwwr.lbr",+    "docs/hero.png",+    "docs/iso7820lldwwr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html",+    "iso7820lldwwr-hero.glb",+    "iso7820lldwwr-hero.overlay.json"+  ],+  "component": {+    "mpn": "ISO7820LLDWWR",+    "manufacturer": "Texas Instruments",+    "package": "SOIC-16-300mil",+    "pin_count": 16,+    "category": "Signal Isolation Devices",+    "subcategory": "Isolated LVDS Buffers",+    "datasheet": "https://www.ti.com/cn/lit/gpn/iso7821ll",+    "parts": {+      "symbol": "iso7820lldwwr.kicad_sym",+      "footprint": "iso7820lldwwr.kicad_mod",+      "model_3d": "iso7820lldwwr-hero.glb",+      "model_3d_plain": "iso7820lldwwr.glb",+      "model_3d_step": "iso7820lldwwr-etched.step",+      "model_3d_step_plain": "iso7820lldwwr.step",+      "lbr": "iso7820lldwwr.lbr"+    },+    "distributor_links": {+      "lcsc": 2872424,+      "digikey": "296-51211-2-ND",+      "mouser": "595-ISO7820LLDWWR"+    },+    "distributor_check": {+      "checked_at": "2026-10-05T20:02:48Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-51211-2-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-ISO7820LLDWWR",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "VCC1",+        "type": "power_in",+        "description": "Power supply for side 1, recommended 2.25 V to 5.5 V (absolute maximum 6 V)."+      },+      {+        "number": "2",+        "name": "GND1",+        "type": "power_in",+        "description": "Ground connection for VCC1."+      },+      {+        "number": "3",+        "name": "INA+",+        "type": "input",+        "description": "Positive differential input, channel A."+      },+      {+        "number": "4",+        "name": "INA-",+        "type": "input",+        "description": "Negative differential input, channel A."+      },+      {+        "number": "5",+        "name": "INB-",+        "type": "input",+        "description": "Negative differential input, channel B."+      },+      {+        "number": "6",+        "name": "INB+",+        "type": "input",+        "description": "Positive differential input, channel B."+      },+      {+        "number": "7",+        "name": "NC",+        "type": "unconnected",+        "description": "Not connected."+      },+      {+        "number": "8",+        "name": "GND1",+        "type": "power_in",+        "description": "Ground connection for VCC1."+      },+      {+        "number": "9",+        "name": "GND2",+        "type": "power_in",+        "description": "Ground connection for VCC2."+      },+      {+        "number": "10",+        "name": "EN2",+        "type": "input",+        "description": "Output enable 2; output pins on side 2 are enabled when EN2 is high or open and in high impedance state when EN2 is low."+      },+      {+        "number": "11",+        "name": "OUTB+",+        "type": "output",+        "description": "Positive differential output, channel B."+      },+      {+        "number": "12",+        "name": "OUTB-",+        "type": "output",+        "description": "Negative differential output, channel B."+      },+      {+        "number": "13",+        "name": "OUTA-",+        "type": "output",+        "description": "Negative differential output, channel A."+      },+      {+        "number": "14",+        "name": "OUTA+",+        "type": "output",+        "description": "Positive differential output, channel A."+      },+      {+        "number": "15",+        "name": "GND2",+        "type": "power_in",+        "description": "Ground connection for VCC2."+      },+      {+        "number": "16",+        "name": "VCC2",+        "type": "power_in",+        "description": "Power supply for side 2, recommended 2.25 V to 5.5 V (absolute maximum 6 V)."+      }+    ],+    "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": [+          "extractor flagged: Package hint specifies SOIC-16-300mil (DW variant, ~7.5 mm width), but MPN ISO7820LLDWWR corresponds"+        ],+        "pages_sent": 8,+        "cost_usd": 0.1638,+        "at": "2026-10-05T20:02:32"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/iso7821ll",+        "pages": 40,+        "sha256": "2d74a1d0aa8124a6",+        "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"+    }+  },+  "visibility": "public",+  "org": "adom",+  "author": {+    "name": "Ray",+    "email": "[email protected]"+  }+}\ No newline at end of file