CD4049UBM

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd4049ubm",
  "title": "CD4049UBM",
  "brief": "HGSEMI Inverters, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "cd4049ubm"
  ],
  "component": {
    "mpn": "CD4049UBM",
    "manufacturer": "HGSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Inverters",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2205271816_HGSEMI-CD4049UBM-TR_C3007964.pdf",
    "parts": {
      "symbol": "cd4049ubm.kicad_sym",
      "footprint": "cd4049ubm.kicad_mod",
      "model_3d": "cd4049ubm-etched.glb",
      "model_3d_plain": "cd4049ubm.glb",
      "model_3d_step": "cd4049ubm-etched.step",
      "model_3d_step_plain": "cd4049ubm.step",
      "lbr": "cd4049ubm.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage. Recommended operating range 5 V to 15 V; absolute maximum -0.5 V to +18 V."
      },
      {
        "number": "2",
        "name": "G (~A)",
        "type": "output",
        "description": "Inverter 1 output (logical NOT of input A on pin 3). CMOS push-pull output; rated for 12 mA continuous."
      },
      {
        "number": "3",
        "name": "A",
        "type": "input",
        "description": "Inverter 1 input. High-impedance CMOS input; protection network permits VIN > VDD (recommended VIN 0 V to 15 V)."
      },
      {
        "number": "4",
        "name": "H (~B)",
        "type": "output",
        "description": "Inverter 2 output (logical NOT of input B on pin 5)."
      },
      {
        "number": "5",
        "name": "B",
        "type": "input",
        "description": "Inverter 2 input. High-impedance CMOS input tolerant of VIN > VDD."
      },
      {
        "number": "6",
        "name": "I (~C)",
        "type": "output",
        "description": "Inverter 3 output (logical NOT of input C on pin 7)."
      },
      {
        "number": "7",
        "name": "C",
        "type": "input",
        "description": "Inverter 3 input. High-impedance CMOS input tolerant of VIN > VDD."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply / ground reference. Datasheet notes VSS = 0 V unless otherwise stated."
      },
      {
        "number": "9",
        "name": "D",
        "type": "input",
        "description": "Inverter 4 input. High-impedance CMOS input tolerant of VIN > VDD."
      },
      {
        "number": "10",
        "name": "J (~D)",
        "type": "output",
        "description": "Inverter 4 output (logical NOT of input D on pin 9)."
      },
      {
        "number": "11",
        "name": "E",
        "type": "input",
        "description": "Inverter 5 input. High-impedance CMOS input tolerant of VIN > VDD."
      },
      {
        "number": "12",
        "name": "K (~E)",
        "type": "output",
        "description": "Inverter 5 output (logical NOT of input E on pin 11)."
      },
      {
        "number": "13",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to VSS."
      },
      {
        "number": "14",
        "name": "F",
        "type": "input",
        "description": "Inverter 6 input. High-impedance CMOS input tolerant of VIN > VDD."
      },
      {
        "number": "15",
        "name": "L (~F)",
        "type": "output",
        "description": "Inverter 6 output (logical NOT of input F on pin 14)."
      },
      {
        "number": "16",
        "name": "NC",
        "type": "unconnected",
        "description": "No internal connection. Leave floating or tie to VSS."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2205271816_HGSEMI-CD4049UBM-TR_C3007964.pdf",
        "pages": 11,
        "sha256": "d1b47e24b0ba71a2",
        "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"
    },
    "logic": {
      "family_id": "CD4049",
      "logic_family": "CD4000",
      "function_code": "4049",
      "function_class": "Buffer",
      "function_name": "Hex Inverting Buffer / Level Translator",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "cd4049ubm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4049ubm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "bed1ff15d2808a432ff5adee2556fdff9c8e1457e7ee2f9fdd8d65171455ec46",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HGSEMI",
      "Package": "SOP-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd4049ubm"
  ],
  "discovery_pitch": "CD4049UBM (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4049ubm.kicad_sym",
    "cd4049ubm.kicad_mod",
    "cd4049ubm.glb",
    "cd4049ubm.step",
    "cd4049ubm-etched.step",
    "cd4049ubm.lbr",
    "docs/hero.png",
    "docs/cd4049ubm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "CD4049UBM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "CD4049UBE",
      "kind": "unknown"
    },
    {
      "mpn": "CD4049UBN",
      "kind": "unknown"
    },
    {
      "mpn": "CD4049UBMT/TR",
      "kind": "packaging"
    },
    {
      "mpn": "CD4049UBLQ/TR",
      "kind": "unknown"
    }
  ],
  "updated_at": "2026-09-24T18:41:59.622Z"
}