CD74HC175E

{
  "slug": "cd74hc175e",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Flip Flops, PDIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "cd74hc175e",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd74hc175e.kicad_sym",
    "cd74hc175e.kicad_mod",
    "cd74hc175e.glb",
    "cd74hc175e.step",
    "cd74hc175e.lbr",
    "docs/hero.png",
    "docs/cd74hc175e-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd74hc175e-hero.glb",
    "cd74hc175e-hero.overlay.json",
    "cd74hc175e-etched.glb"
  ],
  "component": {
    "mpn": "CD74HC175E",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-16",
    "pin_count": 16,
    "category": "Logic ICs",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd74hc175e.pdf",
    "parts": {
      "symbol": "cd74hc175e.kicad_sym",
      "footprint": "cd74hc175e.kicad_mod",
      "model_3d": "cd74hc175e-hero.glb",
      "model_3d_plain": "cd74hc175e-etched.glb",
      "model_3d_step": "cd74hc175e-etched.step",
      "model_3d_step_plain": "cd74hc175e.step",
      "lbr": "cd74hc175e.lbr"
    },
    "distributor_links": {
      "lcsc": "C1549840",
      "digikey": "296-33038-5-ND",
      "mouser": "595-CD74HC175E"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:08:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-33038-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CD74HC175E",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "MR",
        "type": "input",
        "description": "Active-low asynchronous master reset; a low level resets all four Q outputs to logic 0 and all Q outputs to logic 1, independent of the clock."
      },
      {
        "number": "2",
        "name": "Q0",
        "type": "output",
        "description": "True output of flip-flop 0, which follows D0 on the positive clock edge and is reset to logic 0 by MR low."
      },
      {
        "number": "3",
        "name": "~Q0",
        "type": "output",
        "description": "Complementary output of flip-flop 0, which is the inverse of Q0 and is reset to logic 1 by MR low."
      },
      {
        "number": "4",
        "name": "D0",
        "type": "input",
        "description": "Data input to flip-flop 0, transferred to the outputs on the positive-going edge of CP."
      },
      {
        "number": "5",
        "name": "D1",
        "type": "input",
        "description": "Data input to flip-flop 1, transferred to the outputs on the positive-going edge of CP; HCT inputs accept LSTTL levels with VIL max 0.8 V and VIH min 2 V."
      },
      {
        "number": "6",
        "name": "~Q1",
        "type": "output",
        "description": "Complementary output of flip-flop 1, which is the inverse of Q1 and is reset to logic 1 by MR low."
      },
      {
        "number": "7",
        "name": "Q1",
        "type": "output",
        "description": "True output of flip-flop 1, which follows D1 on the positive clock edge and is reset to logic 0 by MR low."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "9",
        "name": "CP",
        "type": "input",
        "description": "Common clock input; data on Dn is transferred to Qn and ~Qn on the positive-going edge of the clock pulse."
      },
      {
        "number": "10",
        "name": "Q2",
        "type": "output",
        "description": "True output of flip-flop 2, which follows D2 on the positive clock edge and is reset to logic 0 by MR low."
      },
      {
        "number": "11",
        "name": "~Q2",
        "type": "output",
        "description": "Complementary output of flip-flop 2, which is the inverse of Q2 and is reset to logic 1 by MR low."
      },
      {
        "number": "12",
        "name": "D2",
        "type": "input",
        "description": "Data input to flip-flop 2, transferred to the outputs on the positive-going edge of CP."
      },
      {
        "number": "13",
        "name": "D3",
        "type": "input",
        "description": "Data input to flip-flop 3, transferred to the outputs on the positive-going edge of CP."
      },
      {
        "number": "14",
        "name": "~Q3",
        "type": "output",
        "description": "Complementary output of flip-flop 3, which is the inverse of Q3 and is reset to logic 1 by MR low."
      },
      {
        "number": "15",
        "name": "Q3",
        "type": "output",
        "description": "True output of flip-flop 3, which follows D3 on the positive clock edge and is reset to logic 0 by MR low."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage: 2 V to 6 V for HC types and 4.5 V to 5.5 V for HCT types (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 datasheet text extraction dropped the overline on the complementary outputs, so the true/complem; Pin numbers were recovered from a jumbled text extraction of the top-view pinout and cross-checked a"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0664,
        "at": "2026-10-30T16:08:43"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd74hc175e.pdf",
        "pages": 16,
        "sha256": "3348189f53a06a61",
        "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": "cd74hc175e.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd74hc175e-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
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          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
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        "sha256": "1131b296cc5ab538406b62af3e2b2c093a675018ea31e474e4ef7f8be930c77e",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}