74AC11138PWR

{
  "slug": "74ac11138pwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74ac11138pwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74ac11138pwr.kicad_sym",
    "74ac11138pwr.kicad_mod",
    "74ac11138pwr.glb",
    "74ac11138pwr.step",
    "74ac11138pwr.lbr",
    "docs/hero.png",
    "docs/74ac11138pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74ac11138pwr-hero.glb",
    "74ac11138pwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "74AC11138PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://www.ti.com/lit/ds/symlink/74ac11138.pdf",
    "parts": {
      "symbol": "74ac11138pwr.kicad_sym",
      "footprint": "74ac11138pwr.kicad_mod",
      "model_3d": "74ac11138pwr-hero.glb",
      "model_3d_plain": "74ac11138pwr.glb",
      "model_3d_step": "74ac11138pwr-etched.step",
      "model_3d_step_plain": "74ac11138pwr.step",
      "lbr": "74ac11138pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2674630",
      "digikey": "296-4163-2-ND",
      "mouser": "595-74AC11138PWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:05:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-4163-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "595-74AC11138PWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Y1",
        "type": "output",
        "description": "Active-low decoder data output Y1, driven low when its address is selected and the enables are active (Section 6.3 function table)."
      },
      {
        "number": "2",
        "name": "Y2",
        "type": "output",
        "description": "Active-low decoder data output Y2, driven low when its address is selected and the enables are active (Section 6.3 function table)."
      },
      {
        "number": "3",
        "name": "Y3",
        "type": "output",
        "description": "Active-low decoder data output Y3, driven low when its address is selected and the enables are active (Section 6.3 function table)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "Y4",
        "type": "output",
        "description": "Active-low decoder data output Y4, driven low when its address is selected and the enables are active (Section 6.3 function table)."
      },
      {
        "number": "6",
        "name": "Y5",
        "type": "output",
        "description": "Active-low decoder data output Y5, driven low when its address is selected and the enables are active (Section 6.3 function table)."
      },
      {
        "number": "7",
        "name": "Y6",
        "type": "output",
        "description": "Active-low decoder data output Y6, driven low when its address is selected and the enables are active (Section 6.3 function table)."
      },
      {
        "number": "8",
        "name": "Y7",
        "type": "output",
        "description": "Active-low decoder data output Y7, driven low when its address is selected and the enables are active (Section 6.3 function table)."
      },
      {
        "number": "9",
        "name": "G2B",
        "type": "input",
        "description": "Active-low enable input; must be low (together with G2A low and G1 high) for the decoder outputs to be active."
      },
      {
        "number": "10",
        "name": "G2A",
        "type": "input",
        "description": "Active-low enable input; must be low (together with G2B low and G1 high) for the decoder outputs to be active."
      },
      {
        "number": "11",
        "name": "G1",
        "type": "input",
        "description": "Active-high enable input; must be high (together with G2A and G2B low) for the decoder outputs to be active."
      },
      {
        "number": "12",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; recommended supply range is 3 V to 5.5 V, bypassed with a 0.1-µF capacitor placed as close as possible to the terminal for a single-supply device."
      },
      {
        "number": "13",
        "name": "C",
        "type": "input",
        "description": "Binary select input C; together with A and B it selects which one of the eight outputs is addressed."
      },
      {
        "number": "14",
        "name": "B",
        "type": "input",
        "description": "Binary select input B; together with A and C it selects which one of the eight outputs is addressed."
      },
      {
        "number": "15",
        "name": "A",
        "type": "input",
        "description": "Binary select input A (least significant select bit); together with B and C it selects which one of the eight outputs is addressed."
      },
      {
        "number": "16",
        "name": "Y0",
        "type": "output",
        "description": "Active-low decoder data output Y0, driven low when its address is selected and the enables are active (Section 6.3 function table)."
      }
    ],
    "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: Pinout is taken from Table 3-1 and Figure 3-1 (D, N, or PW Package, Top View), which the datasheet s"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0761,
        "at": "2026-10-08T16:05:07"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/74ac11138.pdf",
        "pages": 27,
        "sha256": "1cc12b26f1f9c243",
        "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": "74ac11138pwr.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74ac11138pwr-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": "2b7c5f68d2b6de6135cf5becabf88d982077c98d8d8768a74c3e2df6d9cdf341",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}