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Ray Publish 0.1.0 e7a4738 7h ago
{
  "slug": "sn74hc4851pwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog Switches, Multiplexers, TSSOP-16. Pinout settled in review by an AI reviewer against the manufacturer's datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "sn74hc4851pwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74hc4851pwr.kicad_sym",
    "sn74hc4851pwr.kicad_mod",
    "sn74hc4851pwr.glb",
    "sn74hc4851pwr.step",
    "sn74hc4851pwr.lbr",
    "docs/hero.png",
    "docs/sn74hc4851pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74hc4851pwr-hero.glb",
    "sn74hc4851pwr-hero.overlay.json",
    "sn74hc4851pwr-etched.glb"
  ],
  "component": {
    "mpn": "SN74HC4851PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "Analog Switches, Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hc4851.pdf",
    "parts": {
      "symbol": "sn74hc4851pwr.kicad_sym",
      "footprint": "sn74hc4851pwr.kicad_mod",
      "model_3d": "sn74hc4851pwr-hero.glb",
      "model_3d_plain": "sn74hc4851pwr-etched.glb",
      "model_3d_step": "sn74hc4851pwr-etched.step",
      "model_3d_step_plain": "sn74hc4851pwr.step",
      "lbr": "sn74hc4851pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C110545",
      "digikey": "296-16983-2-ND",
      "mouser": "595-SN74HC4851PWR"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T00:36:39Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-16983-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74HC4851PWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Y4",
        "type": "passive",
        "description": "Analog switch channel 4 input/output, connected to COM when INH is low and C,B,A = H,L,L, with signal range 0 to VCC."
      },
      {
        "number": "2",
        "name": "Y6",
        "type": "passive",
        "description": "Analog switch channel 6 input/output, connected to COM when INH is low and C,B,A = H,H,L, with signal range 0 to VCC."
      },
      {
        "number": "3",
        "name": "COM",
        "type": "passive",
        "description": "Common analog input/output terminal of the multiplexer/demultiplexer, with signal range 0 to VCC."
      },
      {
        "number": "4",
        "name": "Y7",
        "type": "passive",
        "description": "Analog switch channel 7 input/output, connected to COM when INH is low and C,B,A = H,H,H, with signal range 0 to VCC."
      },
      {
        "number": "5",
        "name": "Y5",
        "type": "passive",
        "description": "Analog switch channel 5 input/output, connected to COM when INH is low and C,B,A = H,L,H, with signal range 0 to VCC."
      },
      {
        "number": "6",
        "name": "INH",
        "type": "input",
        "description": "Inhibit input; when high, no channel is connected to COM, and when low the channel selected by C,B,A is on, with logic range 0 to VCC."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "9",
        "name": "C",
        "type": "input",
        "description": "Channel select input, most significant bit, with logic range 0 to VCC."
      },
      {
        "number": "10",
        "name": "B",
        "type": "input",
        "description": "Channel select input, middle bit, with logic range 0 to VCC."
      },
      {
        "number": "11",
        "name": "A",
        "type": "input",
        "description": "Channel select input, least significant bit, with logic range 0 to VCC."
      },
      {
        "number": "12",
        "name": "Y3",
        "type": "passive",
        "description": "Analog switch channel 3 input/output, connected to COM when INH is low and C,B,A = L,H,H, with signal range 0 to VCC."
      },
      {
        "number": "13",
        "name": "Y0",
        "type": "passive",
        "description": "Analog switch channel 0 input/output, connected to COM when INH is low and C,B,A = L,L,L, with signal range 0 to VCC."
      },
      {
        "number": "14",
        "name": "Y1",
        "type": "passive",
        "description": "Analog switch channel 1 input/output, connected to COM when INH is low and C,B,A = L,L,H, with signal range 0 to VCC."
      },
      {
        "number": "15",
        "name": "Y2",
        "type": "passive",
        "description": "Analog switch channel 2 input/output, connected to COM when INH is low and C,B,A = L,H,L, with signal range 0 to VCC."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, recommended 2 V to 5.5 V and absolute maximum 6 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74hc4851.pdf",
        "pages": 24,
        "sha256": "3e4214b737728e9a",
        "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"
    },
    "models_3d": [
      {
        "file": "sn74hc4851pwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hc4851pwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "35b41a6df63da3541504b38e434c59827b29e260605f6ecf145975b6cb34bea5",
        "checked": "2026-11-06",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "PW0016A",
      "source_page": 20,
      "D": {
        "nom_mm": 5.0,
        "range_mm": [
          4.9,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.3,
          4.5
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          6.2,
          6.6
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "sn74hc4851pwr.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}