CD4520BM96

{
  "slug": "cd4520bm96",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Counters, Dividers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd4520bm96",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4520bm96.kicad_sym",
    "cd4520bm96.kicad_mod",
    "cd4520bm96.glb",
    "cd4520bm96.step",
    "cd4520bm96.lbr",
    "docs/hero.png",
    "docs/cd4520bm96-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "CD4520BM96",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd4520b",
    "parts": {
      "symbol": "cd4520bm96.kicad_sym",
      "footprint": "cd4520bm96.kicad_mod",
      "model_3d": "cd4520bm96-etched.glb",
      "model_3d_plain": "cd4520bm96.glb",
      "model_3d_step": "cd4520bm96-etched.step",
      "model_3d_step_plain": "cd4520bm96.step",
      "lbr": "cd4520bm96.lbr"
    },
    "distributor_links": {
      "lcsc": "C2653014"
    },
    "pins": [
      {
        "number": "1",
        "name": "CLOCK A",
        "type": "input",
        "description": "Clock input for counter section A; counts advance on the selected clock edge (positive- or negative-going, set via internal exclusive-OR with ENABLE A) while RESET A is low."
      },
      {
        "number": "2",
        "name": "ENABLE A",
        "type": "input",
        "description": "Enable input for counter section A; held high for single-unit operation so the counter advances on the positive-going CLOCK A transition, or used with CLOCK A for edge-select/cascading (e.g., driven by Q4 of a preceding stage for ripple cascading)."
      },
      {
        "number": "3",
        "name": "Q1A",
        "type": "output",
        "description": "Bit 1 (LSB) output of the 4-stage binary counter section A."
      },
      {
        "number": "4",
        "name": "Q2A",
        "type": "output",
        "description": "Bit 2 output of the 4-stage binary counter section A."
      },
      {
        "number": "5",
        "name": "Q3A",
        "type": "output",
        "description": "Bit 3 output of the 4-stage binary counter section A."
      },
      {
        "number": "6",
        "name": "Q4A",
        "type": "output",
        "description": "Bit 4 (MSB) output of the 4-stage binary counter section A; can drive ENABLE B of a subsequent stage for ripple cascading."
      },
      {
        "number": "7",
        "name": "RESET A",
        "type": "input",
        "description": "Asynchronous reset input for counter section A; a high level clears outputs Q1A-Q4A to 0 regardless of CLOCK A or ENABLE A state."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply / ground reference terminal for the device (0 V, referenced by VDD range -0.5 V to +20 V)."
      },
      {
        "number": "9",
        "name": "CLOCK B",
        "type": "input",
        "description": "Clock input for counter section B; counts advance on the selected clock edge while RESET B is low, identical function to CLOCK A."
      },
      {
        "number": "10",
        "name": "ENABLE B",
        "type": "input",
        "description": "Enable input for counter section B; held high for single-unit operation so the counter advances on the positive-going CLOCK B transition, or used for edge-select/cascading."
      },
      {
        "number": "11",
        "name": "Q1B",
        "type": "output",
        "description": "Bit 1 (LSB) output of the 4-stage binary counter section B."
      },
      {
        "number": "12",
        "name": "Q2B",
        "type": "output",
        "description": "Bit 2 output of the 4-stage binary counter section B."
      },
      {
        "number": "13",
        "name": "Q3B",
        "type": "output",
        "description": "Bit 3 output of the 4-stage binary counter section B."
      },
      {
        "number": "14",
        "name": "Q4B",
        "type": "output",
        "description": "Bit 4 (MSB) output of the 4-stage binary counter section B."
      },
      {
        "number": "15",
        "name": "RESET B",
        "type": "input",
        "description": "Asynchronous reset input for counter section B; a high level clears outputs Q1B-Q4B to 0 regardless of CLOCK B or ENABLE B state."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage terminal, referenced to VSS; absolute maximum rating -0.5 V to +20 V, recommended operating range 3 V to 18 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-sonnet-5",
        "primary_mode": "vision",
        "consensus_model": "claude-opus-4-8",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.4797,
        "at": "2026-09-24T09:00:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd4520b",
        "pages": 21,
        "sha256": "c28162391ada6d6a",
        "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": "cd4520bm96.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4520bm96-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": "5456024a0ee0c94c4b6f1cda060e150d06f4c55910bfebe194e1ea4f459ac9ba",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}