main
Ray Publish 0.1.0 ef9bac7 6d ago
{
  "slug": "74ahc164s14-13",
  "version": "0.1.0",
  "type": "component",
  "description": "Diodes Incorporated Shift Registers, SO-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74ahc164s14-13",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74ahc164s14-13.kicad_sym",
    "74ahc164s14-13.kicad_mod",
    "74ahc164s14-13.glb",
    "74ahc164s14-13.step",
    "74ahc164s14-13.lbr",
    "docs/hero.png",
    "docs/74ahc164s14-13-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74ahc164s14-13-hero.glb",
    "74ahc164s14-13-hero.overlay.json",
    "74ahc164s14-13-etched.glb"
  ],
  "component": {
    "mpn": "74AHC164S14-13",
    "manufacturer": "Diodes Incorporated",
    "package": "SO-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://www.diodes.com/assets/Datasheets/74AHC164S14-13.pdf",
    "parts": {
      "symbol": "74ahc164s14-13.kicad_sym",
      "footprint": "74ahc164s14-13.kicad_mod",
      "model_3d": "74ahc164s14-13-hero.glb",
      "model_3d_plain": "74ahc164s14-13-etched.glb",
      "model_3d_step": "74ahc164s14-13-etched.step",
      "model_3d_step_plain": "74ahc164s14-13.step",
      "lbr": "74ahc164s14-13.lbr"
    },
    "distributor_links": {
      "lcsc": "C842271",
      "mouser": "621-74AHC164S14-13"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:52:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": "621-74AHC164S14-13",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DSA",
        "type": "input",
        "description": "Serial data input; data on DSA and DSB is logically ANDED and must be stable before and after the CP rising edge to meet set-up and hold timing."
      },
      {
        "number": "2",
        "name": "DSB",
        "type": "input",
        "description": "Serial data input; data on DSB is logically ANDED with DSA and must be stable before and after the CP rising edge to meet set-up and hold timing."
      },
      {
        "number": "3",
        "name": "Q0",
        "type": "output",
        "description": "Data output for stage 0; receives the ANDed serial input data on each LOW-to-HIGH transition of CP and is set LOW by MR."
      },
      {
        "number": "4",
        "name": "Q1",
        "type": "output",
        "description": "Data output for stage 1; takes the value of Q0 on each LOW-to-HIGH CP transition and is set LOW by MR."
      },
      {
        "number": "5",
        "name": "Q2",
        "type": "output",
        "description": "Data output for stage 2; takes the value of Q1 on each LOW-to-HIGH CP transition and is set LOW by MR."
      },
      {
        "number": "6",
        "name": "Q3",
        "type": "output",
        "description": "Data output for stage 3; takes the value of Q2 on each LOW-to-HIGH CP transition and is set LOW by MR."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "8",
        "name": "CP",
        "type": "input",
        "description": "Clock pulse input, positive-edge triggered; shifts data into Q0 and through Qn on each LOW-to-HIGH transition."
      },
      {
        "number": "9",
        "name": "MR",
        "type": "input",
        "description": "Asynchronous active-LOW master reset; when LOW sets all Qn LOW regardless of serial or clock inputs, and must return HIGH for a recovery time before the next CP positive edge."
      },
      {
        "number": "10",
        "name": "Q4",
        "type": "output",
        "description": "Data output for stage 4; takes the value of Q3 on each LOW-to-HIGH CP transition and is set LOW by MR."
      },
      {
        "number": "11",
        "name": "Q5",
        "type": "output",
        "description": "Data output for stage 5; takes the value of Q4 on each LOW-to-HIGH CP transition and is set LOW by MR."
      },
      {
        "number": "12",
        "name": "Q6",
        "type": "output",
        "description": "Data output for stage 6; takes the value of Q5 on each LOW-to-HIGH CP transition and is set LOW by MR."
      },
      {
        "number": "13",
        "name": "Q7",
        "type": "output",
        "description": "Data output for stage 7; takes the value of Q6 on each LOW-to-HIGH CP transition and is set LOW by MR."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; recommended operating range is 2.0 V to 5.5 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 MR overbar is not reproduced in the extracted text; the active-LOW polarity is taken from the re; The datasheet gives only the function 'Ground' for pin 7 with no further limits."
        ],
        "pages_sent": 11,
        "cost_usd": 0.0493,
        "at": "2026-10-17T17:47:58"
      },
      "datasheet": {
        "url": "https://www.diodes.com/assets/Datasheets/74AHC164S14-13.pdf",
        "pages": 11,
        "sha256": "1327a73f89c25588",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "74ahc164s14-13.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          8.95,
          6.0,
          1.56
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a858c3d694afe9edfa9b6d24fb7389ed2313ffb7315f8138eb8b41b4d7e59fb7",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74ahc164s14-13-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          6.0,
          1.56
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d9d170d022451e6b4c6ad4467037cc9de1d615e81086aceeb8848087999b9cbf",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}