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Ray Set visibility: public de97821 8h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74lv273adwr",
  "title": "SN74LV273ADWR",
  "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 ics",
    "sn74lv273adwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN74LV273ADWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lv273adwr.pdf",
    "parts": {
      "symbol": "sn74lv273adwr.kicad_sym",
      "footprint": "sn74lv273adwr.kicad_mod",
      "model_3d": "sn74lv273adwr-hero.glb",
      "model_3d_plain": "sn74lv273adwr-etched.glb",
      "model_3d_step": "sn74lv273adwr-etched.step",
      "model_3d_step_plain": "sn74lv273adwr.step",
      "lbr": "sn74lv273adwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C7790",
      "digikey": "296-14904-2-ND",
      "mouser": "595-SN74LV273ADWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T06:37:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-14904-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74LV273ADWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CLR",
        "type": "input",
        "description": "Direct clear input; a low level forces all Q outputs low regardless of CLK and D."
      },
      {
        "number": "2",
        "name": "1Q",
        "type": "output",
        "description": "Flip-flop 1 output, rated for IOH/IOL of ±12 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "3",
        "name": "1D",
        "type": "input",
        "description": "Flip-flop 1 data input, transferred to 1Q on the positive-going CLK edge."
      },
      {
        "number": "4",
        "name": "2D",
        "type": "input",
        "description": "Flip-flop 2 data input, transferred to 2Q on the positive-going CLK edge."
      },
      {
        "number": "5",
        "name": "2Q",
        "type": "output",
        "description": "Flip-flop 2 output, rated for IOH/IOL of ±12 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "6",
        "name": "3Q",
        "type": "output",
        "description": "Flip-flop 3 output, rated for IOH/IOL of ±12 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "7",
        "name": "3D",
        "type": "input",
        "description": "Flip-flop 3 data input, transferred to 3Q on the positive-going CLK edge."
      },
      {
        "number": "8",
        "name": "4D",
        "type": "input",
        "description": "Flip-flop 4 data input, transferred to 4Q on the positive-going CLK edge."
      },
      {
        "number": "9",
        "name": "4Q",
        "type": "output",
        "description": "Flip-flop 4 output, rated for IOH/IOL of ±12 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; continuous current through VCC or GND is limited to ±50 mA."
      },
      {
        "number": "11",
        "name": "CLK",
        "type": "input",
        "description": "Clock input; data is transferred to the Q outputs on the positive-going edge."
      },
      {
        "number": "12",
        "name": "5Q",
        "type": "output",
        "description": "Flip-flop 5 output, rated for IOH/IOL of ±12 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "13",
        "name": "5D",
        "type": "input",
        "description": "Flip-flop 5 data input, transferred to 5Q on the positive-going CLK edge."
      },
      {
        "number": "14",
        "name": "6D",
        "type": "input",
        "description": "Flip-flop 6 data input, transferred to 6Q on the positive-going CLK edge."
      },
      {
        "number": "15",
        "name": "6Q",
        "type": "output",
        "description": "Flip-flop 6 output, rated for IOH/IOL of ±12 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "16",
        "name": "7Q",
        "type": "output",
        "description": "Flip-flop 7 output, rated for IOH/IOL of ±12 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "17",
        "name": "7D",
        "type": "input",
        "description": "Flip-flop 7 data input, transferred to 7Q on the positive-going CLK edge."
      },
      {
        "number": "18",
        "name": "8D",
        "type": "input",
        "description": "Flip-flop 8 data input, transferred to 8Q on the positive-going CLK edge."
      },
      {
        "number": "19",
        "name": "8Q",
        "type": "output",
        "description": "Flip-flop 8 output, rated for IOH/IOL of ±12 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 2 V to 5.5 V recommended operating range (absolute maximum 7 V)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 23,
        "cost_usd": 0.1666,
        "at": "2026-10-31T06:36:34"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74lv273adwr.pdf",
        "pages": 23,
        "sha256": "0e82e9a3a5dfcf3c",
        "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": "sn74lv273adwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lv273adwr-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": "93f08bcb75509a22c6ab1db5090fc056754cdaae407fc93c75231431b04f7cbc",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "DW",
      "E1": {
        "nom_mm": 7.5,
        "range_mm": null
      },
      "E": {
        "nom_mm": 10.3,
        "range_mm": null
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": null
      },
      "source": "TI package designator DW (no drawing in the datasheet)",
      "model_check": {
        "file": "sn74lv273adwr.step",
        "verdict": "SKIP",
        "reasons": [
          "the datasheet dimensions give no height or body size to compare"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-20-300mil",
      "Category": "Logic ICs",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0e82e9a3a5dfcf3c91d0c67b4a5c6e5ebe8316fbf94a4c2fc62b212816ad2299",
      "rows": [
        {
          "name": "Supply voltage",
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          "kind": "recommended_operating",
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          "max": 5.5,
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          "conditions": "VCC = 2 V",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "recommended_operating",
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          "conditions": "VCC = 2 V",
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          "kind": "recommended_operating",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -50,
          "conditions": "VCC = 2 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "High-level output current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -2,
          "conditions": "VCC = 2.3 V to 2.7 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "High-level output current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
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          "max": -6,
          "conditions": "VCC = 3 V to 3.6 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "High-level output current",
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          "kind": "recommended_operating",
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          "min": null,
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          "max": -12,
          "conditions": "VCC = 4.5 V to 5.5 V",
          "source_page": 4,
          "source": "datasheet"
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          "kind": "recommended_operating",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VCC = 2 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Low-level output current",
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          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VCC = 2.3 V to 2.7 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Low-level output current",
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          "kind": "recommended_operating",
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          "max": 6,
          "conditions": "VCC = 3 V to 3.6 V",
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          "source": "datasheet"
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        {
          "name": "Low-level output current",
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          "kind": "recommended_operating",
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          "conditions": "VCC = 4.5 V to 5.5 V",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Input transition rise or fall rate",
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          "conditions": "VCC = 2.3 V to 2.7 V",
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          "conditions": "VCC = 4.5 V to 5.5 V",
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        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
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          "min": -40,
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        {
          "name": "High-level output voltage",
          "symbol": "VOH",
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          "conditions": "IOH = −2 mA, VCC = 2.3 V",
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        {
          "name": "High-level output voltage",
          "symbol": "VOH",
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          "min": 2.48,
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          "conditions": "IOH = −6 mA, VCC = 3 V",
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        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 3.8,
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          "conditions": "IOH = −12 mA, VCC = 4.5 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "max": 0.1,
          "conditions": "IOL = 50 µA, VCC = 2 V to 5.5 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "conditions": "IOL = 2 mA, VCC = 2.3 V",
          "source_page": 4,
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        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
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          "max": 0.44,
          "conditions": "IOL = 6 mA, VCC = 3 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "IOL = 12 mA, VCC = 4.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VI = 5.5 V or GND, VCC = 0 to 5.5 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
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          "typ": null,
          "max": 20,
          "conditions": "VI = VCC or GND, IO = 0, VCC = 5.5 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Partial power down current",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "µA",
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          "max": 5,
          "conditions": "VI or VO = 0 to 5.5 V, VCC = 0",
          "source_page": 4,
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        {
          "name": "Pulse duration, CLR low",
          "symbol": "tw",
          "kind": "timing",
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          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.5 V ± 0.2 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pulse duration, CLK high or low",
          "symbol": "tw",
          "kind": "timing",
          "unit": "ns",
          "min": 8.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.5 V ± 0.2 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Setup time, data before CLK↑ (Data)",
          "symbol": "tsu",
          "kind": "timing",
          "unit": "ns",
          "min": 10.5,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.5 V ± 0.2 V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Setup time, CLR inactive",
          "symbol": "tsu",
          "kind": "timing",
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          "min": 4,
          "typ": null,
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          "conditions": "VCC = 2.5 V ± 0.2 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Hold time, data after CLK↑",
          "symbol": "th",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": null,
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