main
Ray cd4516bpwr: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: black IC body… c61b14a
{
  "slug": "cd4516bpwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Counters, Dividers, TSSOP-16. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd4516bpwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4516bpwr.kicad_sym",
    "cd4516bpwr.kicad_mod",
    "cd4516bpwr.glb",
    "cd4516bpwr.step",
    "cd4516bpwr.lbr",
    "docs/hero.png",
    "docs/cd4516bpwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "CD4516BPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4516b.pdf",
    "parts": {
      "symbol": "cd4516bpwr.kicad_sym",
      "footprint": "cd4516bpwr.kicad_mod",
      "model_3d": "cd4516bpwr-etched.glb",
      "model_3d_plain": "cd4516bpwr.glb",
      "model_3d_step": "cd4516bpwr-etched.step",
      "model_3d_step_plain": "cd4516bpwr.step",
      "lbr": "cd4516bpwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2653015"
    },
    "pins": [
      {
        "number": "1",
        "name": "PRESET ENABLE",
        "type": "input",
        "description": "Active-high input that asynchronously loads the parallel jam inputs P1-P4 into the counter, overriding clock and count operation."
      },
      {
        "number": "2",
        "name": "Q4",
        "type": "output",
        "description": "Q4 counter output, the most significant bit of the 4-bit up/down counter."
      },
      {
        "number": "3",
        "name": "P4",
        "type": "input",
        "description": "Parallel jam (preset) data input for the most significant counter stage, loaded into the counter when PRESET ENABLE is high."
      },
      {
        "number": "4",
        "name": "P1",
        "type": "input",
        "description": "Parallel jam (preset) data input for the least significant counter stage, loaded into the counter when PRESET ENABLE is high."
      },
      {
        "number": "5",
        "name": "CARRY IN",
        "type": "input",
        "description": "Active-low carry-in input that must be held low to permit synchronous up/down counting and is used to cascade the carry chain from a less significant stage."
      },
      {
        "number": "6",
        "name": "Q1",
        "type": "output",
        "description": "Q1 counter output, the least significant bit of the 4-bit up/down counter."
      },
      {
        "number": "7",
        "name": "CARRY OUT",
        "type": "output",
        "description": "Active-low carry-out output that goes low at the terminal count to ripple-cascade to the carry-in of the next counter stage."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply/ground reference terminal."
      },
      {
        "number": "9",
        "name": "RESET",
        "type": "input",
        "description": "Active-high asynchronous reset input; a high level clears all counter outputs Q1-Q4 to zero, overriding preset and clock."
      },
      {
        "number": "10",
        "name": "UP/DOWN",
        "type": "input",
        "description": "Count-direction control input; a high level selects count-up operation and a low level selects count-down operation (per truth table)."
      },
      {
        "number": "11",
        "name": "Q2",
        "type": "output",
        "description": "Q2 counter output bit."
      },
      {
        "number": "12",
        "name": "P2",
        "type": "input",
        "description": "Parallel jam (preset) data input for counter bit 2, loaded into the counter when PRESET ENABLE is high."
      },
      {
        "number": "13",
        "name": "P3",
        "type": "input",
        "description": "Parallel jam (preset) data input for counter bit 3, loaded into the counter when PRESET ENABLE is high."
      },
      {
        "number": "14",
        "name": "Q3",
        "type": "output",
        "description": "Q3 counter output bit."
      },
      {
        "number": "15",
        "name": "CLOCK",
        "type": "input",
        "description": "Clock input; the counter advances on the positive-going (low-to-high) transition of this signal when enabled by carry-in."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply-voltage terminal, specified over a 3 V to 18 V supply range (20 V absolute maximum) referenced to VSS."
      }
    ],
    "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": 0.6172,
        "at": "2026-09-23T18:47:42"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd4516b.pdf",
        "pages": 20,
        "sha256": "fc185675c565180b",
        "source_tier": "mfr"
      },
      "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": "cd4516bpwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4516bpwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "213c35f022f836fc326bbe237dfb4e35d38bb459ee9e62f825945bd4c35e5bae",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}