74LVC377PW

{
  "slug": "74lvc377pw",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Flip Flops, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74lvc377pw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74lvc377pw.kicad_sym",
    "74lvc377pw.kicad_mod",
    "74lvc377pw.glb",
    "74lvc377pw.step",
    "74lvc377pw.lbr",
    "docs/hero.png",
    "docs/74lvc377pw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74lvc377pw-hero.glb",
    "74lvc377pw-hero.overlay.json",
    "74lvc377pw-etched.glb"
  ],
  "component": {
    "mpn": "74LVC377PW",
    "manufacturer": "Nexperia",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74LVC377PW.pdf",
    "parts": {
      "symbol": "74lvc377pw.kicad_sym",
      "footprint": "74lvc377pw.kicad_mod",
      "model_3d": "74lvc377pw-hero.glb",
      "model_3d_plain": "74lvc377pw-etched.glb",
      "model_3d_step": "74lvc377pw-etched.step",
      "model_3d_step_plain": "74lvc377pw.step",
      "lbr": "74lvc377pw.lbr"
    },
    "distributor_links": {
      "lcsc": "C458248",
      "mouser": "771-74LVC377PW"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:45:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "771-74LVC377PW",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "E",
        "type": "input",
        "description": "Data enable input (active LOW); it must be stable one set-up time before the LOW-to-HIGH CP transition for predictable operation."
      },
      {
        "number": "2",
        "name": "Q0",
        "type": "output",
        "description": "Flip-flop output 0, which takes the state of D0 on the LOW-to-HIGH clock transition when E is LOW; the output can drive 50 Ω transmission lines at 125 °C."
      },
      {
        "number": "3",
        "name": "D0",
        "type": "input",
        "description": "Data input 0, which must meet set-up and hold times around the LOW-to-HIGH CP transition and is overvoltage tolerant to 5.5 V."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "input",
        "description": "Data input 1, which must meet set-up and hold times around the LOW-to-HIGH CP transition and is overvoltage tolerant to 5.5 V."
      },
      {
        "number": "5",
        "name": "Q1",
        "type": "output",
        "description": "Flip-flop output 1, which takes the state of D1 on the LOW-to-HIGH clock transition when E is LOW; the output can drive 50 Ω transmission lines at 125 °C."
      },
      {
        "number": "6",
        "name": "Q2",
        "type": "output",
        "description": "Flip-flop output 2, which takes the state of D2 on the LOW-to-HIGH clock transition when E is LOW; the output can drive 50 Ω transmission lines at 125 °C."
      },
      {
        "number": "7",
        "name": "D2",
        "type": "input",
        "description": "Data input 2, which must meet set-up and hold times around the LOW-to-HIGH CP transition and is overvoltage tolerant to 5.5 V."
      },
      {
        "number": "8",
        "name": "D3",
        "type": "input",
        "description": "Data input 3, which must meet set-up and hold times around the LOW-to-HIGH CP transition and is overvoltage tolerant to 5.5 V."
      },
      {
        "number": "9",
        "name": "Q3",
        "type": "output",
        "description": "Flip-flop output 3, which takes the state of D3 on the LOW-to-HIGH clock transition when E is LOW; the output can drive 50 Ω transmission lines at 125 °C."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference for all voltages on the device."
      },
      {
        "number": "11",
        "name": "CP",
        "type": "input",
        "description": "Clock input, edge-triggered on the LOW-to-HIGH transition."
      },
      {
        "number": "12",
        "name": "Q4",
        "type": "output",
        "description": "Flip-flop output 4, which takes the state of D4 on the LOW-to-HIGH clock transition when E is LOW; the output can drive 50 Ω transmission lines at 125 °C."
      },
      {
        "number": "13",
        "name": "D4",
        "type": "input",
        "description": "Data input 4, which must meet set-up and hold times around the LOW-to-HIGH CP transition and is overvoltage tolerant to 5.5 V."
      },
      {
        "number": "14",
        "name": "D5",
        "type": "input",
        "description": "Data input 5, which must meet set-up and hold times around the LOW-to-HIGH CP transition and is overvoltage tolerant to 5.5 V."
      },
      {
        "number": "15",
        "name": "Q5",
        "type": "output",
        "description": "Flip-flop output 5, which takes the state of D5 on the LOW-to-HIGH clock transition when E is LOW; the output can drive 50 Ω transmission lines at 125 °C."
      },
      {
        "number": "16",
        "name": "Q6",
        "type": "output",
        "description": "Flip-flop output 6, which takes the state of D6 on the LOW-to-HIGH clock transition when E is LOW; the output can drive 50 Ω transmission lines at 125 °C."
      },
      {
        "number": "17",
        "name": "D6",
        "type": "input",
        "description": "Data input 6, which must meet set-up and hold times around the LOW-to-HIGH CP transition and is overvoltage tolerant to 5.5 V."
      },
      {
        "number": "18",
        "name": "D7",
        "type": "input",
        "description": "Data input 7, which must meet set-up and hold times around the LOW-to-HIGH CP transition and is overvoltage tolerant to 5.5 V."
      },
      {
        "number": "19",
        "name": "Q7",
        "type": "output",
        "description": "Flip-flop output 7, which takes the state of D7 on the LOW-to-HIGH clock transition when E is LOW; the output can drive 50 Ω transmission lines at 125 °C."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply; recommended range is 1.65 V to 3.6 V (functional down to 1.2 V), with an absolute maximum of 6.5 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 PW (TSSOP20) pin numbers were read from the text-extracted pinning drawing on page 2 (right-colu; The VCC voltage limits in the description come from Section 7 and Section 8 (Limiting values and Rec"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0691,
        "at": "2026-10-18T05:43:53"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74LVC377PW.pdf",
        "pages": 12,
        "sha256": "b4927782b7ad3bee",
        "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": "74lvc377pw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74lvc377pw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a5a07c5ea3e18ed1b40d5ee21d6e65e55c42481770c8b21ed41e5859a856fdce",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}