CD4511BM

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd4511bm",
  "title": "CD4511BM",
  "brief": "HGSEMI Signal Switches, Multiplexers, Decoders, SOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "cd4511bm"
  ],
  "component": {
    "mpn": "CD4511BM",
    "manufacturer": "HGSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756304600615919616",
    "parts": {
      "symbol": "cd4511bm.kicad_sym",
      "footprint": "cd4511bm.kicad_mod",
      "model_3d": "cd4511bm-etched.glb",
      "model_3d_plain": "cd4511bm.glb",
      "model_3d_step": "cd4511bm-etched.step",
      "model_3d_step_plain": "cd4511bm.step",
      "lbr": "cd4511bm.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "BCD input bit B (weight 2). CMOS input, VIH ~= 3.5 V @ VDD=5 V; VIL ~= 1.5 V @ VDD=5 V. Latched into internal storage on LE low->high transition."
      },
      {
        "number": "2",
        "name": "C",
        "type": "input",
        "description": "BCD input bit C (weight 4). CMOS input referenced to VSS/VDD; input current typ +/-0.1 uA @ VDD=15 V."
      },
      {
        "number": "3",
        "name": "LT",
        "type": "input",
        "description": "Lamp Test, active low. When LT=0, all seven segment outputs (a..g) are forced high regardless of other inputs (displays '8' / all segments on) for lamp verification."
      },
      {
        "number": "4",
        "name": "BI",
        "type": "input",
        "description": "Blanking Input, active low. When BI=0 (and LT=1), all segment outputs are forced low, blanking the display. Can be driven with a PWM signal for intensity modulation."
      },
      {
        "number": "5",
        "name": "LE",
        "type": "input",
        "description": "Latch Enable. LE=0 the latch is transparent and follows the D/C/B/A inputs; on LE 0->1 the current BCD code is stored and the outputs are held. Minimum latch-enable pulse width 260 ns typ at VDD=5 V."
      },
      {
        "number": "6",
        "name": "D",
        "type": "input",
        "description": "BCD input bit D (MSB, weight 8). Standard CMOS input, VIN range 0 V to VDD."
      },
      {
        "number": "7",
        "name": "A",
        "type": "input",
        "description": "BCD input bit A (LSB, weight 1). Standard CMOS input, VIN range 0 V to VDD."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply / ground reference (0 V). Recommended operating VDD-VSS range 5 V to 15 V; absolute max 18 V."
      },
      {
        "number": "9",
        "name": "e",
        "type": "output",
        "description": "Seven-segment decoded output 'e' (NPN bipolar source driver). Active high; sources up to 25 mA into a common-cathode LED segment. VOH typ 3.75 V @ VDD=5 V, IOH=20 mA."
      },
      {
        "number": "10",
        "name": "d",
        "type": "output",
        "description": "Seven-segment decoded output 'd'. Active-high source driver, up to 25 mA per output."
      },
      {
        "number": "11",
        "name": "c",
        "type": "output",
        "description": "Seven-segment decoded output 'c'. Active-high source driver, up to 25 mA per output."
      },
      {
        "number": "12",
        "name": "b",
        "type": "output",
        "description": "Seven-segment decoded output 'b'. Active-high source driver, up to 25 mA per output."
      },
      {
        "number": "13",
        "name": "a",
        "type": "output",
        "description": "Seven-segment decoded output 'a'. Active-high source driver, up to 25 mA per output."
      },
      {
        "number": "14",
        "name": "g",
        "type": "output",
        "description": "Seven-segment decoded output 'g' (center segment). Active-high source driver, up to 25 mA per output."
      },
      {
        "number": "15",
        "name": "f",
        "type": "output",
        "description": "Seven-segment decoded output 'f'. Active-high source driver, up to 25 mA per output."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply. Recommended 5 V to 15 V; absolute maximum 18 V. Quiescent supply current 5 uA typ (VDD=5 V) / 20 uA typ (VDD=15 V) at 25 C."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8756304600615919616",
        "pages": 12,
        "sha256": "02161ce34a6dfa00",
        "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": "CD4511",
      "logic_family": "CD4000",
      "function_code": "4511",
      "function_class": "Decoder",
      "function_name": "BCD-to-7-Segment Latch/Decoder/Driver",
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
      {
        "file": "cd4511bm.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": "cd4511bm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          9.9,
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b1c850917bedff0834a46ccf99a9f1d17ff172e793e977c5a2edf138bbd2625f",
        "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"
    }
  },
  "variants": [
    {
      "mpn": "CD4511BM/TR",
      "kind": "packaging"
    },
    {
      "mpn": "CD4511BMBE",
      "kind": "packaging"
    },
    {
      "mpn": "CD4511BMBN",
      "kind": "packaging"
    },
    {
      "mpn": "CD4511BMT/TR",
      "kind": "packaging"
    },
    {
      "mpn": "CD4511BMBLQ/TR",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd4511bm"
  ],
  "discovery_pitch": "CD4511BM (HGSEMI) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4511bm.kicad_sym",
    "cd4511bm.kicad_mod",
    "cd4511bm.glb",
    "cd4511bm.step",
    "cd4511bm.lbr",
    "docs/hero.png",
    "docs/cd4511bm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:50:58.307Z"
}