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Ray sn74cb3t1g125dckr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black I… b8c3081 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74cb3t1g125dckr",
  "title": "SN74CB3T1G125DCKR",
  "brief": "Texas Instruments Signal Switches, Multiplexers, Decoders, SC-70-5. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "sn74cb3t1g125dckr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN74CB3T1G125DCKR",
    "manufacturer": "Texas Instruments",
    "package": "SC-70-5",
    "pin_count": 5,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74cb3t1g125.pdf",
    "parts": {
      "symbol": "sn74cb3t1g125dckr.kicad_sym",
      "footprint": "sn74cb3t1g125dckr.kicad_mod",
      "model_3d": "sn74cb3t1g125dckr-hero.glb",
      "model_3d_plain": "sn74cb3t1g125dckr.glb",
      "model_3d_step": "sn74cb3t1g125dckr-etched.step",
      "model_3d_step_plain": "sn74cb3t1g125dckr.step",
      "lbr": "sn74cb3t1g125dckr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2655470",
      "digikey": "296-15835-2-ND",
      "mouser": "595-SN74CB3T1G125DCK"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T17:47:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-15835-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74CB3T1G125DCK",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Active-low output enable: low turns the A-B switch ON, high gives a high-impedance state between A and B; control input accepts TTL or 5-V/3.3-V CMOS levels (VIH 1.7 V min at VCC 2.3-2.7 V, 2 V min at 2.7-3.6 V, up to 5.5 V)."
      },
      {
        "number": "2",
        "name": "A",
        "type": "bidirectional",
        "description": "Bidirectional switch data I/O port A, connected to B when OE is low and supporting 0- to 5.5-V signal levels."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "4",
        "name": "B",
        "type": "bidirectional",
        "description": "Bidirectional switch data I/O port B, connected to A when OE is low, with output voltage translation tracking VCC and 0- to 5.5-V signal levels."
      },
      {
        "number": "5",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 2.3 V to 3.6 V recommended operating range (absolute maximum 7 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The DCK top-view drawing text is scrambled in extraction, so the pin-number-to-name mapping (1=B, 2=; VCC has no printed number adjacent to it in the DCK drawing text; pin 4 is assigned by elimination a"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0722,
        "at": "2026-10-10T17:47:25"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74cb3t1g125.pdf",
        "pages": 18,
        "sha256": "c85b9867c881127e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 5,
        "described": 5,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn74cb3t1g125dckr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "2860de5b7b085919ff6e952148353f928798588d9f544dc69430545aff2ba908",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74cb3t1g125dckr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2.0,
          1.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "15c24516d0759d4f32ecb43073743565168714b3b1dbf14ac7f91ef1fd184998",
        "checked": "2026-10-21",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SC-70-5",
      "Category": "Logic",
      "Pins": "5"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74cb3t1g125dckr"
  ],
  "discovery_pitch": "SN74CB3T1G125DCKR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74cb3t1g125dckr.kicad_sym",
    "sn74cb3t1g125dckr.kicad_mod",
    "sn74cb3t1g125dckr.glb",
    "sn74cb3t1g125dckr.step",
    "sn74cb3t1g125dckr.lbr",
    "docs/hero.png",
    "docs/sn74cb3t1g125dckr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74cb3t1g125dckr-hero.glb",
    "sn74cb3t1g125dckr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}