SN74HC74QPWRG4Q1

{
  "slug": "sn74hc74qpwrg4q1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Flip Flops, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74hc74qpwrg4q1",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
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    "sn74hc74qpwrg4q1.kicad_mod",
    "sn74hc74qpwrg4q1.glb",
    "sn74hc74qpwrg4q1.step",
    "sn74hc74qpwrg4q1.lbr",
    "docs/hero.png",
    "docs/sn74hc74qpwrg4q1-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74hc74qpwrg4q1-hero.glb",
    "sn74hc74qpwrg4q1-hero.overlay.json"
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  "component": {
    "mpn": "SN74HC74QPWRG4Q1",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74hc74-q1",
    "parts": {
      "symbol": "sn74hc74qpwrg4q1.kicad_sym",
      "footprint": "sn74hc74qpwrg4q1.kicad_mod",
      "model_3d": "sn74hc74qpwrg4q1-hero.glb",
      "model_3d_plain": "sn74hc74qpwrg4q1.glb",
      "model_3d_step": "sn74hc74qpwrg4q1-etched.step",
      "model_3d_step_plain": "sn74hc74qpwrg4q1.step",
      "lbr": "sn74hc74qpwrg4q1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2867363",
      "digikey": "296-24550-2-ND",
      "mouser": "595-SN74HC74QPWRG4Q1"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:44:59Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-24550-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74HC74QPWRG4Q1",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1CLR",
        "type": "input",
        "description": "Channel 1 clear input, active low; driving it low forces Q low and Q̄ high while PRE is high."
      },
      {
        "number": "2",
        "name": "1D",
        "type": "input",
        "description": "Channel 1 data input, which is transferred to Q on the positive edge of 1CLK when PRE and CLR are inactive."
      },
      {
        "number": "3",
        "name": "1CLK",
        "type": "input",
        "description": "Channel 1 positive-edge-triggered clock input."
      },
      {
        "number": "4",
        "name": "1PRE",
        "type": "input",
        "description": "Channel 1 preset input, active low; driving it low forces Q high and Q̄ low while CLR is high."
      },
      {
        "number": "5",
        "name": "1Q",
        "type": "output",
        "description": "Channel 1 true output."
      },
      {
        "number": "6",
        "name": "1Q̄",
        "type": "output",
        "description": "Channel 1 inverted output."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "8",
        "name": "2Q̄",
        "type": "output",
        "description": "Channel 2 inverted output."
      },
      {
        "number": "9",
        "name": "2Q",
        "type": "output",
        "description": "Channel 2 true output."
      },
      {
        "number": "10",
        "name": "2PRE",
        "type": "input",
        "description": "Channel 2 preset input, active low; driving it low forces Q high and Q̄ low while CLR is high."
      },
      {
        "number": "11",
        "name": "2CLK",
        "type": "input",
        "description": "Channel 2 positive-edge-triggered clock input."
      },
      {
        "number": "12",
        "name": "2D",
        "type": "input",
        "description": "Channel 2 data input, which is transferred to Q on the positive edge of 2CLK when PRE and CLR are inactive."
      },
      {
        "number": "13",
        "name": "2CLR",
        "type": "input",
        "description": "Channel 2 clear input, active low; driving it low forces Q low and Q̄ high while PRE is high."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; recommended operating range is 2 V to 6 V, with an absolute maximum of 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: Text extraction dropped the overbars on the complementary outputs. Pin 6 (1Q̄) and pin 8 (2Q̄) are n; Pin 5 and pin 9 (true outputs) and pin 6 and pin 8 (inverted outputs) are listed in the pin table as; The datasheet gives only the functional name 'Ground' for pin 7 and 'Positive Supply' for pin 14; no"
        ],
        "pages_sent": 25,
        "cost_usd": 0.0927,
        "at": "2026-10-08T16:44:35"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74hc74-q1",
        "pages": 25,
        "sha256": "cc65f48c07b236ea",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.0
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3ee5786aae56190997aa793ba3cfc003fd616782770e29719b4562f012982245",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hc74qpwrg4q1-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
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        "checked": "2026-10-08",
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  }
}