← Commit history

Initial commit: component/sn74lvc240adbr

Ray ·09bf5ff9fd ·4d ago
2 files changed +285
README.mdadded+57
@@ -0,0 +1,57 @@+# SN74LVC240ADBR++**Texas Instruments** · Buffers, Drivers, Receivers, Transceivers · SSOP-20-208mil++SN74LVC240ADBR from Texas Instruments, in a SSOP-20-208mil. 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 | 1OE | input | Output enable for Group 1 (active low); enables outputs 1Y1-1Y4 when low. |+| 2 | 1A1 | input | Group 1, Channel 1 inverter input with Schmitt trigger. |+| 3 | 2Y4 | output | Group 2, Channel 4 tri-state inverted output. |+| 4 | 1A2 | input | Group 1, Channel 2 inverter input with Schmitt trigger. |+| 5 | 2Y3 | output | Group 2, Channel 3 tri-state inverted output. |+| 6 | 1A3 | input | Group 1, Channel 3 inverter input with Schmitt trigger. |+| 7 | 2Y2 | output | Group 2, Channel 2 tri-state inverted output. |+| 8 | 1A4 | input | Group 1, Channel 4 inverter input with Schmitt trigger. |+| 9 | 2Y1 | output | Group 2, Channel 1 tri-state inverted output. |+| 10 | GND | power_in | Ground connection. |+| 11 | 2A1 | input | Group 2, Channel 1 inverter input with Schmitt trigger. |+| 12 | 1Y4 | output | Group 1, Channel 4 tri-state inverted output. |+| 13 | 2A2 | input | Group 2, Channel 2 inverter input with Schmitt trigger. |+| 14 | 1Y3 | output | Group 1, Channel 3 tri-state inverted output. |+| 15 | 2A3 | input | Group 2, Channel 3 inverter input with Schmitt trigger. |+| 16 | 1Y2 | output | Group 1, Channel 2 tri-state inverted output. |+| 17 | 2A4 | input | Group 2, Channel 4 inverter input with Schmitt trigger. |+| 18 | 1Y1 | output | Group 1, Channel 1 tri-state inverted output. |+| 19 | 2OE | input | Output enable for Group 2 (active low); enables outputs 2Y1-2Y4 when low. |+| 20 | VCC | power_in | Positive power supply; operating range 1.65V to 3.6V. |++## Key specifications++| Parameter | Value |+|---|---|+| Manufacturer | Texas Instruments |+| Package | SSOP-20-208mil |+| Category | Logic |+| Pins | 20 |++## CAD (KiCad official)++- Symbol: `SN74LVC240ADBR`+- Footprint: `Package_SO:SSOP-20_5.3x7.2mm_P0.65mm`+- 3D model: SSOP-20-208mil (KiCad packages3D, STEP)+- 3D model files: `sn74lvc240adbr-etched.step` / `sn74lvc240adbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `sn74lvc240adbr.step` / `sn74lvc240adbr.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/sn74lvc240a) (37 pp, sha256 `63f5c9509f7316ec`, retrieved 2026-10-01, 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/sn74lvc240adbr-datasheet.pdf)
page.jsonadded+228
@@ -0,0 +1,228 @@+{+  "slug": "sn74lvc240adbr",+  "version": "0.1.0",+  "type": "component",+  "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SSOP-20-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",+  "tags": [+    "component",+    "logic",+    "sn74lvc240adbr",+    "factory-2.0.0",+    "extractor-text"+  ],+  "dependencies": {},+  "hero": {+    "type": "image",+    "path": "docs/hero.png"+  },+  "files": [+    "page.json",+    "README.md",+    "sn74lvc240adbr.kicad_sym",+    "sn74lvc240adbr.kicad_mod",+    "sn74lvc240adbr.glb",+    "sn74lvc240adbr.step",+    "sn74lvc240adbr.lbr",+    "docs/hero.png",+    "docs/sn74lvc240adbr-datasheet.pdf",+    "viewers/symbol.html",+    "viewers/footprint.html"+  ],+  "component": {+    "mpn": "SN74LVC240ADBR",+    "manufacturer": "Texas Instruments",+    "package": "SSOP-20-208mil",+    "pin_count": 20,+    "category": "Logic",+    "subcategory": "Buffers, Drivers, Receivers, Transceivers",+    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74lvc240a",+    "parts": {+      "symbol": "sn74lvc240adbr.kicad_sym",+      "footprint": "sn74lvc240adbr.kicad_mod",+      "model_3d": "sn74lvc240adbr-etched.glb",+      "model_3d_plain": "sn74lvc240adbr.glb",+      "model_3d_step": "sn74lvc240adbr-etched.step",+      "model_3d_step_plain": "sn74lvc240adbr.step",+      "lbr": "sn74lvc240adbr.lbr"+    },+    "distributor_links": {+      "lcsc": "C2675727",+      "digikey": "296-SN74LVC240ADBRTR-ND",+      "mouser": "595-SN74LVC240ADBR"+    },+    "distributor_check": {+      "checked_at": "2026-10-01T02:59:30Z",+      "source": "Component Ocean /api/assign-pns",+      "digikey": {+        "pn": "296-SN74LVC240ADBRTR-ND",+        "status": "found",+        "lifecycle": "Active"+      },+      "mouser": {+        "pn": "595-SN74LVC240ADBR",+        "status": "found"+      }+    },+    "pins": [+      {+        "number": "1",+        "name": "1OE",+        "type": "input",+        "description": "Output enable for Group 1 (active low); enables outputs 1Y1-1Y4 when low."+      },+      {+        "number": "2",+        "name": "1A1",+        "type": "input",+        "description": "Group 1, Channel 1 inverter input with Schmitt trigger."+      },+      {+        "number": "3",+        "name": "2Y4",+        "type": "output",+        "description": "Group 2, Channel 4 tri-state inverted output."+      },+      {+        "number": "4",+        "name": "1A2",+        "type": "input",+        "description": "Group 1, Channel 2 inverter input with Schmitt trigger."+      },+      {+        "number": "5",+        "name": "2Y3",+        "type": "output",+        "description": "Group 2, Channel 3 tri-state inverted output."+      },+      {+        "number": "6",+        "name": "1A3",+        "type": "input",+        "description": "Group 1, Channel 3 inverter input with Schmitt trigger."+      },+      {+        "number": "7",+        "name": "2Y2",+        "type": "output",+        "description": "Group 2, Channel 2 tri-state inverted output."+      },+      {+        "number": "8",+        "name": "1A4",+        "type": "input",+        "description": "Group 1, Channel 4 inverter input with Schmitt trigger."+      },+      {+        "number": "9",+        "name": "2Y1",+        "type": "output",+        "description": "Group 2, Channel 1 tri-state inverted output."+      },+      {+        "number": "10",+        "name": "GND",+        "type": "power_in",+        "description": "Ground connection."+      },+      {+        "number": "11",+        "name": "2A1",+        "type": "input",+        "description": "Group 2, Channel 1 inverter input with Schmitt trigger."+      },+      {+        "number": "12",+        "name": "1Y4",+        "type": "output",+        "description": "Group 1, Channel 4 tri-state inverted output."+      },+      {+        "number": "13",+        "name": "2A2",+        "type": "input",+        "description": "Group 2, Channel 2 inverter input with Schmitt trigger."+      },+      {+        "number": "14",+        "name": "1Y3",+        "type": "output",+        "description": "Group 1, Channel 3 tri-state inverted output."+      },+      {+        "number": "15",+        "name": "2A3",+        "type": "input",+        "description": "Group 2, Channel 3 inverter input with Schmitt trigger."+      },+      {+        "number": "16",+        "name": "1Y2",+        "type": "output",+        "description": "Group 1, Channel 2 tri-state inverted output."+      },+      {+        "number": "17",+        "name": "2A4",+        "type": "input",+        "description": "Group 2, Channel 4 inverter input with Schmitt trigger."+      },+      {+        "number": "18",+        "name": "1Y1",+        "type": "output",+        "description": "Group 1, Channel 1 tri-state inverted output."+      },+      {+        "number": "19",+        "name": "2OE",+        "type": "input",+        "description": "Output enable for Group 2 (active low); enables outputs 2Y1-2Y4 when low."+      },+      {+        "number": "20",+        "name": "VCC",+        "type": "power_in",+        "description": "Positive power supply; operating range 1.65V to 3.6V."+      }+    ],+    "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": 17,+        "cost_usd": 0.2037,+        "at": "2026-10-01T02:59:12"+      },+      "datasheet": {+        "url": "https://www.ti.com/cn/lit/gpn/sn74lvc240a",+        "pages": 37,+        "sha256": "63f5c9509f7316ec",+        "source_tier": "lcsc"+      },+      "cad": "KiCad official (CC-BY-SA 4.0)",+      "pins": {+        "total": 20,+        "described": 20,+        "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