CD4520NS16ARDQ

{
  "slug": "cd4520ns16ardq",
  "version": "0.1.0",
  "type": "component",
  "description": "GR Counters, Dividers, SOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd4520ns16ardq",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4520ns16ardq.kicad_sym",
    "cd4520ns16ardq.kicad_mod",
    "cd4520ns16ardq.glb",
    "cd4520ns16ardq.step",
    "cd4520ns16ardq.lbr",
    "docs/hero.png",
    "docs/cd4520ns16ardq-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "CD4520NS16ARDQ",
    "manufacturer": "GR",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603351089303736320",
    "parts": {
      "symbol": "cd4520ns16ardq.kicad_sym",
      "footprint": "cd4520ns16ardq.kicad_mod",
      "model_3d": "cd4520ns16ardq-etched.glb",
      "model_3d_plain": "cd4520ns16ardq.glb",
      "model_3d_step": "cd4520ns16ardq-etched.step",
      "model_3d_step_plain": "cd4520ns16ardq.step",
      "lbr": "cd4520ns16ardq.lbr"
    },
    "distributor_links": {
      "lcsc": "C22465478"
    },
    "pins": [
      {
        "number": "1",
        "name": "CLOCK_A",
        "type": "input",
        "description": "Clock input for counter A; increments on positive-going transition when ENABLE A is held high."
      },
      {
        "number": "2",
        "name": "ENABLE_A",
        "type": "input",
        "description": "Enable input for counter A; held high for CLOCK-triggered counting; counter also increments on negative-going transition of ENABLE when CLOCK A is held high."
      },
      {
        "number": "3",
        "name": "Q1A",
        "type": "output",
        "description": "Binary count output bit 1 (LSB) for counter A; VOH min 4.95 V at VDD=5 V, VOL max 0.05 V."
      },
      {
        "number": "4",
        "name": "Q2A",
        "type": "output",
        "description": "Binary count output bit 2 for counter A; VOH min 4.95 V at VDD=5 V, VOL max 0.05 V."
      },
      {
        "number": "5",
        "name": "Q3A",
        "type": "output",
        "description": "Binary count output bit 3 for counter A; VOH min 4.95 V at VDD=5 V, VOL max 0.05 V."
      },
      {
        "number": "6",
        "name": "Q4A",
        "type": "output",
        "description": "Binary count output bit 4 (MSB) for counter A; connect to ENABLE B for ripple cascading."
      },
      {
        "number": "7",
        "name": "RESET_A",
        "type": "input",
        "description": "Active-high asynchronous reset for counter A; high level forces Q1A-Q4A to 0 regardless of clock."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply / ground reference, 0 V."
      },
      {
        "number": "9",
        "name": "CLOCK_B",
        "type": "input",
        "description": "Clock input for counter B; increments on positive-going transition when ENABLE B is held high."
      },
      {
        "number": "10",
        "name": "ENABLE_B",
        "type": "input",
        "description": "Enable input for counter B; held high for CLOCK-triggered counting; counter also increments on negative-going transition of ENABLE when CLOCK B is held high."
      },
      {
        "number": "11",
        "name": "Q1B",
        "type": "output",
        "description": "Binary count output bit 1 (LSB) for counter B; VOH min 4.95 V at VDD=5 V, VOL max 0.05 V."
      },
      {
        "number": "12",
        "name": "Q2B",
        "type": "output",
        "description": "Binary count output bit 2 for counter B; VOH min 4.95 V at VDD=5 V, VOL max 0.05 V."
      },
      {
        "number": "13",
        "name": "Q3B",
        "type": "output",
        "description": "Binary count output bit 3 for counter B; VOH min 4.95 V at VDD=5 V, VOL max 0.05 V."
      },
      {
        "number": "14",
        "name": "Q4B",
        "type": "output",
        "description": "Binary count output bit 4 (MSB) for counter B; connect to ENABLE of next stage for ripple cascading."
      },
      {
        "number": "15",
        "name": "RESET_B",
        "type": "input",
        "description": "Active-high asynchronous reset for counter B; high level forces Q1B-Q4B to 0 regardless of clock."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage; operating range up to 20 V absolute maximum; quiescent current 1 µA max at 18 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-sonnet-4-6",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-4-7",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2862,
        "at": "2026-09-22T00:31:43"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603351089303736320",
        "pages": 9,
        "sha256": "7926a4d7a9b4e40b",
        "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": "cd4520ns16ardq.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": "cd4520ns16ardq-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": "7a63efcebf64c3f24c7a99500a05d0b178611e8f495a62abce72d7306bd3386a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}