CD4027BE

{
  "slug": "cd4027be",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Flip Flops, DIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd4027be",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4027be.kicad_sym",
    "cd4027be.kicad_mod",
    "cd4027be.glb",
    "cd4027be.step",
    "cd4027be.lbr",
    "docs/hero.png",
    "docs/cd4027be-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd4027be-hero.glb",
    "cd4027be-hero.overlay.json",
    "cd4027be-etched.glb"
  ],
  "component": {
    "mpn": "CD4027BE",
    "manufacturer": "Texas Instruments",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4027b.pdf",
    "parts": {
      "symbol": "cd4027be.kicad_sym",
      "footprint": "cd4027be.kicad_mod",
      "model_3d": "cd4027be-hero.glb",
      "model_3d_plain": "cd4027be-etched.glb",
      "model_3d_step": "cd4027be-etched.step",
      "model_3d_step_plain": "cd4027be.step",
      "lbr": "cd4027be.lbr"
    },
    "distributor_links": {
      "lcsc": "C5239",
      "digikey": "2156-CD4027BE-ND",
      "mouser": "595-CD4027BE"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T23:49:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-CD4027BE-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-CD4027BE",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "Q2",
        "type": "output",
        "description": "Q output for channel 2, buffered."
      },
      {
        "number": "2",
        "name": "~Q2",
        "type": "output",
        "description": "Inverted Q output for channel 2, buffered."
      },
      {
        "number": "3",
        "name": "CLOCK2",
        "type": "input",
        "description": "Clock input for channel 2; flip-flop state changes are synchronous with the positive-going transition of the clock pulse."
      },
      {
        "number": "4",
        "name": "RESET2",
        "type": "input",
        "description": "Reset input for channel 2; a high level signal initiates reset independent of the clock."
      },
      {
        "number": "5",
        "name": "K2",
        "type": "input",
        "description": "K input for channel 2; together with J and internal self-steering it controls the flip-flop state at the clock transition."
      },
      {
        "number": "6",
        "name": "J2",
        "type": "input",
        "description": "J input for channel 2; together with K and internal self-steering it controls the flip-flop state at the clock transition."
      },
      {
        "number": "7",
        "name": "SET2",
        "type": "input",
        "description": "Set input for channel 2; a high level signal initiates set independent of the clock."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference; all voltages are referenced to the VSS terminal."
      },
      {
        "number": "9",
        "name": "SET1",
        "type": "input",
        "description": "Set input for channel 1; a high level signal initiates set independent of the clock."
      },
      {
        "number": "10",
        "name": "J1",
        "type": "input",
        "description": "J input for channel 1; together with K and internal self-steering it controls the flip-flop state at the clock transition."
      },
      {
        "number": "11",
        "name": "K1",
        "type": "input",
        "description": "K input for channel 1; together with J and internal self-steering it controls the flip-flop state at the clock transition."
      },
      {
        "number": "12",
        "name": "RESET1",
        "type": "input",
        "description": "Reset input for channel 1; a high level signal initiates reset independent of the clock."
      },
      {
        "number": "13",
        "name": "CLOCK1",
        "type": "input",
        "description": "Clock input for channel 1; flip-flop state changes are synchronous with the positive-going transition of the clock pulse."
      },
      {
        "number": "14",
        "name": "~Q1",
        "type": "output",
        "description": "Inverted Q output for channel 1, buffered."
      },
      {
        "number": "15",
        "name": "Q1",
        "type": "output",
        "description": "Q output for channel 1, buffered."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; the supply-voltage range is 3 V to 18 V over the full package-temperature range."
      }
    ],
    "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: Table 5-1 prints both pin 14 and pin 15 as 'Q1' and both pins 1 and 2 as 'Q2'. The overbar on the in; Pin assignments come from Table 5-1 (page 3). The Figure 5-1 terminal diagram is garbled in the text"
        ],
        "pages_sent": 25,
        "cost_usd": 0.0226,
        "at": "2026-11-05T23:48:44"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd4027b.pdf",
        "pages": 25,
        "sha256": "5e13a8ee723780e6",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cd4027be.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4027be-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "16f56e95b94eecf5fbc1683f20288b77741790f18c0d8b0d743b62b35dc08e66",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}