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Ray Set visibility: public 60f909c 5h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74ac374dwr",
  "title": "SN74AC374DWR",
  "brief": "Texas Instruments Flip Flops, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "sn74ac374dwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN74AC374DWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74ac374.pdf",
    "parts": {
      "symbol": "sn74ac374dwr.kicad_sym",
      "footprint": "sn74ac374dwr.kicad_mod",
      "model_3d": "sn74ac374dwr-hero.glb",
      "model_3d_plain": "sn74ac374dwr-etched.glb",
      "model_3d_step": "sn74ac374dwr-etched.step",
      "model_3d_step_plain": "sn74ac374dwr.step",
      "lbr": "sn74ac374dwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2867339",
      "digikey": "296-1060-2-ND",
      "mouser": "595-SN74AC374DWR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:49:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-1060-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74AC374DWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Output enable; when high, outputs 1Q to 8Q go to the high-impedance state, and OE must be tied to VCC through a pullup resistor for a defined high-impedance state during power up or power down."
      },
      {
        "number": "2",
        "name": "1Q",
        "type": "tri_state",
        "description": "Output 1, a 3-state noninverting output that drives bus lines directly."
      },
      {
        "number": "3",
        "name": "1D",
        "type": "input",
        "description": "Data input 1, loaded into the flip-flop on the positive transition of CLK."
      },
      {
        "number": "4",
        "name": "2D",
        "type": "input",
        "description": "Data input 2, loaded into the flip-flop on the positive transition of CLK."
      },
      {
        "number": "5",
        "name": "2Q",
        "type": "tri_state",
        "description": "Output 2, a 3-state noninverting output that drives bus lines directly."
      },
      {
        "number": "6",
        "name": "3Q",
        "type": "tri_state",
        "description": "Output 3, a 3-state noninverting output that drives bus lines directly."
      },
      {
        "number": "7",
        "name": "3D",
        "type": "input",
        "description": "Data input 3, loaded into the flip-flop on the positive transition of CLK."
      },
      {
        "number": "8",
        "name": "4D",
        "type": "input",
        "description": "Data input 4, loaded into the flip-flop on the positive transition of CLK."
      },
      {
        "number": "9",
        "name": "4Q",
        "type": "tri_state",
        "description": "Output 4, a 3-state noninverting output that drives bus lines directly."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "11",
        "name": "CLK",
        "type": "input",
        "description": "Clock input; on its positive transition the Q outputs take the logic levels set at the D inputs."
      },
      {
        "number": "12",
        "name": "5Q",
        "type": "tri_state",
        "description": "Output 5, a 3-state noninverting output that drives bus lines directly."
      },
      {
        "number": "13",
        "name": "5D",
        "type": "input",
        "description": "Data input 5, loaded into the flip-flop on the positive transition of CLK."
      },
      {
        "number": "14",
        "name": "6D",
        "type": "input",
        "description": "Data input 6, loaded into the flip-flop on the positive transition of CLK."
      },
      {
        "number": "15",
        "name": "6Q",
        "type": "tri_state",
        "description": "Output 6, a 3-state noninverting output that drives bus lines directly."
      },
      {
        "number": "16",
        "name": "7Q",
        "type": "tri_state",
        "description": "Output 7, a 3-state noninverting output that drives bus lines directly."
      },
      {
        "number": "17",
        "name": "7D",
        "type": "input",
        "description": "Data input 7, loaded into the flip-flop on the positive transition of CLK."
      },
      {
        "number": "18",
        "name": "8D",
        "type": "input",
        "description": "Data input 8, loaded into the flip-flop on the positive transition of CLK."
      },
      {
        "number": "19",
        "name": "8Q",
        "type": "tri_state",
        "description": "Output 8, a 3-state noninverting output that drives bus lines directly."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; the device operates from 2 V to 6 V VCC."
      }
    ],
    "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": [],
        "pages_sent": 32,
        "cost_usd": 0.0242,
        "at": "2026-11-05T23:49:39"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74ac374.pdf",
        "pages": 32,
        "sha256": "a9734b168fcab6c6",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn74ac374dwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74ac374dwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5fa381e1649d9c25badad4bc1b9106d5e29f156cf2e88a4052aaa9444a13eb63",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-20-300mil",
      "Category": "Logic",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a9734b168fcab6c64e7d1ff514b3871559602fa4de5391e8dfed744c3d95248a",
      "rows": [
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          "name": "Supply voltage",
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          "kind": "recommended_operating",
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          "min": 2,
          "typ": null,
          "max": 6,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Supply voltage range",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "Over operating free-air temperature range",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Input voltage range",
          "symbol": "VI",
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          "conditions": "Max VCC + 0.5 V as printed",
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          "conditions": "Max VCC + 0.5 V as printed",
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        {
          "name": "Input clamp current",
          "symbol": "IIK",
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          "kind": "absolute_maximum",
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          "min": -50,
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          "max": 50,
          "conditions": "VO = 0 to VCC",
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          "name": "Continuous current through VCC or GND",
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          "kind": "absolute_maximum",
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          "name": "Storage temperature range",
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          "min": -65,
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          "name": "High-level input voltage",
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          "conditions": "VCC = 3 V",
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          "name": "High-level input voltage",
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          "conditions": "VCC = 4.5 V",
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        {
          "name": "High-level input voltage",
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          "kind": "recommended_operating",
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          "conditions": "VCC = 5.5 V",
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          "source": "datasheet"
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          "name": "Low-level input voltage",
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          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "VCC = 3 V",
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        {
          "name": "Low-level input voltage",
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          "name": "High-level output current",
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          "min": -12,
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          "conditions": "VCC = 3 V",
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          "name": "High-level output current",
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          "conditions": "",
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          "name": "Operating free-air temperature",
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          "min": -40,
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        {
          "name": "High-level output voltage",
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          "kind": "electrical",
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          "conditions": "IOH = −50 μA, VCC = 3 V",
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        {
          "name": "High-level output voltage",
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        {
          "name": "High-level output voltage",
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          "min": 5.4,
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          "conditions": "IOH = −50 μA, VCC = 5.5 V",
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        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.46,
          "typ": null,
          "max": null,
          "conditions": "IOH = −12 mA, VCC = 3 V",
          "source_page": 5,
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        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 3.76,
          "typ": null,
          "max": null,
          "conditions": "IOH = −24 mA, VCC = 4.5 V",
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        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 4.76,
          "typ": null,
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          "conditions": "IOH = −24 mA, VCC = 5.5 V",
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        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "IOL = 50 μA, VCC = 3 V",
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        {
          "name": "Low-level output voltage",
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          "conditions": "IOL = 12 mA, VCC = 3 V",
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        {
          "name": "Input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VI = VCC or GND, VCC = 5.5 V",
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          "source": "datasheet"
        },
        {
          "name": "Off-state output current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "μA",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "VO = VCC or GND, VCC = 5.5 V",
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          "source": "datasheet"
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        {
          "name": "Quiescent supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
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          "typ": 4,
          "max": 40,
          "conditions": "VI = VCC or GND, IO = 0, VCC = 5.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "Ci",
          "kind": "electrical",
          "unit": "pF",
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          "typ": 4.5,
          "max": null,
          "conditions": "VI = VCC or GND, VCC = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Clock frequency",
          "symbol": "fclock",
          "kind": "timing",
          "unit": "MHz",
          "min": 60,
          "typ": null,
          "max": null,
          "conditions": "VCC = 3.3 V ± 0.3 V",
          "source_page": 5,
          "source": "datasheet"
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