SN74HCS72DR

{
  "slug": "sn74hcs72dr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Flip Flops, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74hcs72dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74hcs72dr.kicad_sym",
    "sn74hcs72dr.kicad_mod",
    "sn74hcs72dr.glb",
    "sn74hcs72dr.step",
    "sn74hcs72dr.lbr",
    "docs/hero.png",
    "docs/sn74hcs72dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74hcs72dr-hero.glb",
    "sn74hcs72dr-hero.overlay.json",
    "sn74hcs72dr-etched.glb"
  ],
  "component": {
    "mpn": "SN74HCS72DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hcs72.pdf",
    "parts": {
      "symbol": "sn74hcs72dr.kicad_sym",
      "footprint": "sn74hcs72dr.kicad_mod",
      "model_3d": "sn74hcs72dr-hero.glb",
      "model_3d_plain": "sn74hcs72dr-etched.glb",
      "model_3d_step": "sn74hcs72dr-etched.step",
      "model_3d_step_plain": "sn74hcs72dr.step",
      "lbr": "sn74hcs72dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2873285",
      "digikey": "296-SN74HCS72DRTR-ND",
      "mouser": "595-SN74HCS72DR"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T17:56:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-SN74HCS72DRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74HCS72DR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1CLR",
        "type": "input",
        "description": "Active-low clear input for channel 1; a low level resets output 1Q low, and the clear function is asynchronous and independent of the other inputs."
      },
      {
        "number": "2",
        "name": "1D",
        "type": "input",
        "description": "Data input for channel 1, sampled on the falling edge of 1CLK when 1PRE and 1CLR are inactive (high) and must meet the setup and hold times."
      },
      {
        "number": "3",
        "name": "1CLK",
        "type": "input",
        "description": "Clock input for channel 1, which is falling-edge triggered."
      },
      {
        "number": "4",
        "name": "1PRE",
        "type": "input",
        "description": "Active-low preset input for channel 1; a low level sets output 1Q high, and the preset function is asynchronous and independent of the other inputs."
      },
      {
        "number": "5",
        "name": "1Q",
        "type": "output",
        "description": "Output of channel 1."
      },
      {
        "number": "6",
        "name": "1Q",
        "type": "output",
        "description": "Inverted output of channel 1 (complement of 1Q)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "2Q",
        "type": "output",
        "description": "Inverted output of channel 2 (complement of 2Q)."
      },
      {
        "number": "9",
        "name": "2Q",
        "type": "output",
        "description": "Output of channel 2."
      },
      {
        "number": "10",
        "name": "2PRE",
        "type": "input",
        "description": "Active-low preset input for channel 2; a low level sets output 2Q high, and the preset function is asynchronous and independent of the other inputs."
      },
      {
        "number": "11",
        "name": "2CLK",
        "type": "input",
        "description": "Clock input for channel 2, which is falling-edge triggered."
      },
      {
        "number": "12",
        "name": "2D",
        "type": "input",
        "description": "Data input for channel 2, sampled on the falling edge of 2CLK when 2PRE and 2CLR are inactive (high) and must meet the setup and hold times."
      },
      {
        "number": "13",
        "name": "2CLR",
        "type": "input",
        "description": "Active-low clear input for channel 2; a low level resets output 2Q low, and the clear function is asynchronous and independent of the other inputs."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin."
      }
    ],
    "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 text extraction shows Q and Q-bar both as '1Q'/'2Q'; the overbar on the complementary outputs is; Pin descriptions were condensed to one sentence each using the Pin Functions table on page 3 and the"
        ],
        "pages_sent": 25,
        "cost_usd": 0.0872,
        "at": "2026-10-17T17:54:15"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74hcs72.pdf",
        "pages": 25,
        "sha256": "086577e766a4cae8",
        "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": "sn74hcs72dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b9a775da256c8afcc28dcddfbc2eb3f266107fe61ce8446d96f2c52b6f44a70",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hcs72dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.7,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a0389c8cf89fa17a6d744d4be7cc9fe98503cca043f7a4d6d37cc8484791cb38",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}