CD40174BM

{
  "slug": "cd40174bm",
  "version": "0.1.0",
  "type": "component",
  "description": "lingxingic Flip Flops, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd40174bm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd40174bm.kicad_sym",
    "cd40174bm.kicad_mod",
    "cd40174bm.glb",
    "cd40174bm.step",
    "cd40174bm.lbr",
    "docs/hero.png",
    "docs/cd40174bm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd40174bm-hero.glb",
    "cd40174bm-hero.overlay.json",
    "cd40174bm-etched.glb"
  ],
  "component": {
    "mpn": "CD40174BM",
    "manufacturer": "lingxingic",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603345311951831040",
    "parts": {
      "symbol": "cd40174bm.kicad_sym",
      "footprint": "cd40174bm.kicad_mod",
      "model_3d": "cd40174bm-hero.glb",
      "model_3d_plain": "cd40174bm-etched.glb",
      "model_3d_step": "cd40174bm-etched.step",
      "model_3d_step_plain": "cd40174bm.step",
      "lbr": "cd40174bm.lbr"
    },
    "distributor_links": {
      "lcsc": "C22397205",
      "digikey": "2156-CD40174BM-ND",
      "mouser": "595-CD40174BM"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T07:18:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-CD40174BM-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-CD40174BM",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "MR",
        "type": "input",
        "description": "Active-low master reset input: a LOW level forces all outputs O0 to O5 LOW, regardless of CP or Dn (the pin table labels it 'clock input', which conflicts with the function table)."
      },
      {
        "number": "2",
        "name": "O0",
        "type": "output",
        "description": "Buffered output of flip-flop 0, following the D0 input on the rising edge of CP."
      },
      {
        "number": "3",
        "name": "D0",
        "type": "input",
        "description": "Data input to flip-flop 0, sampled on the rising edge of CP."
      },
      {
        "number": "4",
        "name": "D1",
        "type": "input",
        "description": "Data input to flip-flop 1, sampled on the rising edge of CP."
      },
      {
        "number": "5",
        "name": "O1",
        "type": "output",
        "description": "Buffered output of flip-flop 1, following the D1 input on the rising edge of CP."
      },
      {
        "number": "6",
        "name": "D2",
        "type": "input",
        "description": "Data input to flip-flop 2, sampled on the rising edge of CP."
      },
      {
        "number": "7",
        "name": "O2",
        "type": "output",
        "description": "Buffered output of flip-flop 2, following the D2 input on the rising edge of CP."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply voltage; all voltages are referenced to VSS (0 V)."
      },
      {
        "number": "9",
        "name": "CP",
        "type": "input",
        "description": "Clock input; data is transferred from Dn to On on the rising edge of CP."
      },
      {
        "number": "10",
        "name": "O3",
        "type": "output",
        "description": "Buffered output of flip-flop 3, following the D3 input on the rising edge of CP."
      },
      {
        "number": "11",
        "name": "D3",
        "type": "input",
        "description": "Data input to flip-flop 3, sampled on the rising edge of CP."
      },
      {
        "number": "12",
        "name": "O4",
        "type": "output",
        "description": "Buffered output of flip-flop 4, following the D4 input on the rising edge of CP."
      },
      {
        "number": "13",
        "name": "D4",
        "type": "input",
        "description": "Data input to flip-flop 4, sampled on the rising edge of CP."
      },
      {
        "number": "14",
        "name": "D5",
        "type": "input",
        "description": "Data input to flip-flop 5, sampled on the rising edge of CP."
      },
      {
        "number": "15",
        "name": "O5",
        "type": "output",
        "description": "Buffered output of flip-flop 5, following the D5 input on the rising edge of CP."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage; recommended operating range is 3 V to 15 V, with an absolute maximum of 18 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 datasheet does not explicitly map the MPN CD40174BM to the SOP16 package. Page 3 lists CD40174BM; The pin 1 description conflicts within the datasheet. The pin description table (page 5) calls MR a ; The pin numbering is the same for DIP16 and SOP16 in this datasheet, so the pinout applies to either"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0604,
        "at": "2026-10-18T07:15:58"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603345311951831040",
        "pages": 14,
        "sha256": "86578455ad90b59a",
        "source_tier": "lcsc"
      },
      "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": "cd40174bm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd40174bm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "c03e1d3273ef5b7b786e0fe07af8b0f77ffe678ca1c9610417f3f4f1cc5d8122",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}