CD4538BE

{
  "slug": "cd4538be",
  "version": "0.1.0",
  "type": "component",
  "description": "lingxingic Monostable Multivibrators, DIP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd4538be",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4538be.kicad_sym",
    "cd4538be.kicad_mod",
    "cd4538be.glb",
    "cd4538be.step",
    "cd4538be.lbr",
    "docs/hero.png",
    "docs/cd4538be-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "CD4538BE",
    "manufacturer": "lingxingic",
    "package": "DIP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Monostable Multivibrators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603388804195491840",
    "parts": {
      "symbol": "cd4538be.kicad_sym",
      "footprint": "cd4538be.kicad_mod",
      "model_3d": "cd4538be-etched.glb",
      "model_3d_plain": "cd4538be.glb",
      "model_3d_step": "cd4538be-etched.step",
      "model_3d_step_plain": "cd4538be.step",
      "lbr": "cd4538be.lbr"
    },
    "distributor_links": {
      "lcsc": "C32710636"
    },
    "pins": [
      {
        "number": "1",
        "name": "1CEXT",
        "type": "passive",
        "description": "External capacitor connection for timing network, always connected to ground."
      },
      {
        "number": "2",
        "name": "1REXT/CEXT",
        "type": "passive",
        "description": "External resistor and capacitor timing network connection point for monostable multivibrator 1."
      },
      {
        "number": "3",
        "name": "1CD—",
        "type": "input",
        "description": "Direct reset input (active LOW) that immediately terminates the output pulse for monostable multivibrator 1."
      },
      {
        "number": "4",
        "name": "1B",
        "type": "input",
        "description": "Input triggered by LOW-to-HIGH transitions for monostable multivibrator 1."
      },
      {
        "number": "5",
        "name": "1A—",
        "type": "input",
        "description": "Input triggered by HIGH-to-LOW transitions for monostable multivibrator 1."
      },
      {
        "number": "6",
        "name": "1Q",
        "type": "output",
        "description": "Output of monostable multivibrator 1."
      },
      {
        "number": "7",
        "name": "1Q—",
        "type": "output",
        "description": "Complementary output (active LOW) of monostable multivibrator 1."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference (0V)."
      },
      {
        "number": "9",
        "name": "2Q—",
        "type": "output",
        "description": "Complementary output (active LOW) of monostable multivibrator 2."
      },
      {
        "number": "10",
        "name": "2Q",
        "type": "output",
        "description": "Output of monostable multivibrator 2."
      },
      {
        "number": "11",
        "name": "2A—",
        "type": "input",
        "description": "Input triggered by HIGH-to-LOW transitions for monostable multivibrator 2."
      },
      {
        "number": "12",
        "name": "2B",
        "type": "input",
        "description": "Input triggered by LOW-to-HIGH transitions for monostable multivibrator 2."
      },
      {
        "number": "13",
        "name": "2CD—",
        "type": "input",
        "description": "Clear direct input (active LOW) that immediately terminates the output pulse for monostable multivibrator 2."
      },
      {
        "number": "14",
        "name": "2REXT/CEXT",
        "type": "passive",
        "description": "External resistor and capacitor timing network connection point for monostable multivibrator 2."
      },
      {
        "number": "15",
        "name": "2CEXT",
        "type": "passive",
        "description": "External capacitor connection for timing network, always connected to ground."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage (3V to 12V recommended operating range)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 17,
        "cost_usd": 0.1382,
        "at": "2026-09-22T02:48:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603388804195491840",
        "pages": 17,
        "sha256": "03e1dc4c8d472ba1",
        "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": "cd4538be.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4538be-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": "f18f871688ac93c3d14920fa019760bc2956864667ded48966b9387ae69362f1",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}