SN74F377ADWR

{
  "slug": "sn74f377adwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Flip Flops, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74f377adwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74f377adwr.kicad_sym",
    "sn74f377adwr.kicad_mod",
    "sn74f377adwr.glb",
    "sn74f377adwr.step",
    "sn74f377adwr.lbr",
    "docs/hero.png",
    "docs/sn74f377adwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74f377adwr-hero.glb",
    "sn74f377adwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74F377ADWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74f377a",
    "parts": {
      "symbol": "sn74f377adwr.kicad_sym",
      "footprint": "sn74f377adwr.kicad_mod",
      "model_3d": "sn74f377adwr-hero.glb",
      "model_3d_plain": "sn74f377adwr.glb",
      "model_3d_step": "sn74f377adwr-etched.step",
      "model_3d_step_plain": "sn74f377adwr.step",
      "lbr": "sn74f377adwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2677994",
      "digikey": "296-28802-2-ND",
      "mouser": "595-SN74F377ADWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T17:01:44Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-28802-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74F377ADWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CE",
        "type": "input",
        "description": "Latched clock enable; when CE is low, D data is transferred to Q on the positive-going CLK edge, and when CE is high, Q holds its state."
      },
      {
        "number": "2",
        "name": "1Q",
        "type": "output",
        "description": "Single-rail output of flip-flop 1, updated from 1D on the positive-going CLK edge when CE is low."
      },
      {
        "number": "3",
        "name": "1D",
        "type": "input",
        "description": "Data input of flip-flop 1; must meet the setup and hold times around the CLK rising edge (setup 2.5 ns with CE high, 4 ns with CE low at 4.5 V to 5.5 V)."
      },
      {
        "number": "4",
        "name": "2D",
        "type": "input",
        "description": "Data input of flip-flop 2; must meet the setup and hold times around the CLK rising edge."
      },
      {
        "number": "5",
        "name": "2Q",
        "type": "output",
        "description": "Single-rail output of flip-flop 2, updated from 2D on the positive-going CLK edge when CE is low."
      },
      {
        "number": "6",
        "name": "3Q",
        "type": "output",
        "description": "Single-rail output of flip-flop 3, updated from 3D on the positive-going CLK edge when CE is low."
      },
      {
        "number": "7",
        "name": "3D",
        "type": "input",
        "description": "Data input of flip-flop 3; must meet the setup and hold times around the CLK rising edge."
      },
      {
        "number": "8",
        "name": "4D",
        "type": "input",
        "description": "Data input of flip-flop 4; must meet the setup and hold times around the CLK rising edge."
      },
      {
        "number": "9",
        "name": "4Q",
        "type": "output",
        "description": "Single-rail output of flip-flop 4, updated from 4D on the positive-going CLK edge when CE is low."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "11",
        "name": "CLK",
        "type": "input",
        "description": "Common clock input; data is transferred on the positive-going edge, with a maximum clock frequency of 110 MHz over 4.5 V to 5.5 V."
      },
      {
        "number": "12",
        "name": "5Q",
        "type": "output",
        "description": "Single-rail output of flip-flop 5, updated from 5D on the positive-going CLK edge when CE is low."
      },
      {
        "number": "13",
        "name": "5D",
        "type": "input",
        "description": "Data input of flip-flop 5; must meet the setup and hold times around the CLK rising edge."
      },
      {
        "number": "14",
        "name": "6D",
        "type": "input",
        "description": "Data input of flip-flop 6; must meet the setup and hold times around the CLK rising edge."
      },
      {
        "number": "15",
        "name": "6Q",
        "type": "output",
        "description": "Single-rail output of flip-flop 6, updated from 6D on the positive-going CLK edge when CE is low."
      },
      {
        "number": "16",
        "name": "7Q",
        "type": "output",
        "description": "Single-rail output of flip-flop 7, updated from 7D on the positive-going CLK edge when CE is low."
      },
      {
        "number": "17",
        "name": "7D",
        "type": "input",
        "description": "Data input of flip-flop 7; must meet the setup and hold times around the CLK rising edge."
      },
      {
        "number": "18",
        "name": "8D",
        "type": "input",
        "description": "Data input of flip-flop 8; must meet the setup and hold times around the CLK rising edge."
      },
      {
        "number": "19",
        "name": "8Q",
        "type": "output",
        "description": "Single-rail output of flip-flop 8, updated from 8D on the positive-going CLK edge when CE is low."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; recommended supply voltage is 4.5 V to 5.5 V (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: Pin numbers were read from the text layout of the TOP VIEW drawing (DW or N package, same pinout). T; Pin types for the Q outputs are listed as output because the datasheet does not describe them as 3-s"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0517,
        "at": "2026-10-11T17:01:27"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74f377a",
        "pages": 13,
        "sha256": "27c64b5732e40611",
        "source_tier": "lcsc"
      },
      "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": "sn74f377adwr.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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74f377adwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d8d1b425501ade0e4f2009c29719f6265794ad0b346529f71db9e350ddf949f0",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}