CD4527BPWR

{
  "slug": "cd4527bpwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Specialty Logic, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd4527bpwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd4527bpwr.kicad_sym",
    "cd4527bpwr.kicad_mod",
    "cd4527bpwr.glb",
    "cd4527bpwr.step",
    "cd4527bpwr.lbr",
    "docs/hero.png",
    "docs/cd4527bpwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd4527bpwr-hero.glb",
    "cd4527bpwr-hero.overlay.json",
    "cd4527bpwr-etched.glb"
  ],
  "component": {
    "mpn": "CD4527BPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Specialty Logic",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd4527b.pdf",
    "parts": {
      "symbol": "cd4527bpwr.kicad_sym",
      "footprint": "cd4527bpwr.kicad_mod",
      "model_3d": "cd4527bpwr-hero.glb",
      "model_3d_plain": "cd4527bpwr-etched.glb",
      "model_3d_step": "cd4527bpwr-etched.step",
      "model_3d_step_plain": "cd4527bpwr.step",
      "lbr": "cd4527bpwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871227",
      "digikey": "296-14160-2-ND",
      "mouser": "595-CD4527BPWR"
    },
    "distributor_check": {
      "checked_at": "2026-11-05T22:57:19Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-14160-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-CD4527BPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "\"9\" OUT",
        "type": "output",
        "description": "\"9\" output, which goes low when the counter is at the 9 state (low with the CLEAR and SET truth table entries shown) and is high otherwise."
      },
      {
        "number": "2",
        "name": "C",
        "type": "input",
        "description": "BCD rate-select input C, with input voltage limited to -0.5 V to VDD+0.5 V."
      },
      {
        "number": "3",
        "name": "D",
        "type": "input",
        "description": "BCD rate-select input D, with input voltage limited to -0.5 V to VDD+0.5 V."
      },
      {
        "number": "4",
        "name": "SET TO \"9\"",
        "type": "input",
        "description": "Set-to-\"9\" input that presets the counter to 9 when high and must not be high at the same time as CLEAR."
      },
      {
        "number": "5",
        "name": "OUT (inverted)",
        "type": "output",
        "description": "Complementary rate-multiplier output pulse train (OUT-bar), the inverse of the OUT pin 6 output."
      },
      {
        "number": "6",
        "name": "OUT",
        "type": "output",
        "description": "Rate-multiplier output delivering output pulses at a rate set by the BCD inputs, e.g. 8 pulses for every 10 clock pulses when BCD input is 8."
      },
      {
        "number": "7",
        "name": "INHIBIT OUT (CARRY)",
        "type": "output",
        "description": "Inhibit (carry) output used to cascade devices, which goes low on the clear-state truth table entries and is high in normal counting."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Negative supply/ground terminal, the reference for the DC supply voltage range of -0.5 V to +20 V."
      },
      {
        "number": "9",
        "name": "CLOCK",
        "type": "input",
        "description": "Clock input, with a maximum clock frequency of 1.2 MHz at VDD = 5 V."
      },
      {
        "number": "10",
        "name": "STROBE",
        "type": "input",
        "description": "Strobe input which, when high, holds the OUT output according to the truth table and is used in cascading devices."
      },
      {
        "number": "11",
        "name": "INHIBIT IN (CARRY)",
        "type": "input",
        "description": "Inhibit (carry) input used to cascade devices, which inhibits the outputs when high."
      },
      {
        "number": "12",
        "name": "CASCADE",
        "type": "input",
        "description": "Cascade input used to select the Add or Multiply mode when connecting two devices."
      },
      {
        "number": "13",
        "name": "CLEAR",
        "type": "input",
        "description": "Clear input that resets the counter when high and must not be high at the same time as SET TO \"9\"."
      },
      {
        "number": "14",
        "name": "A",
        "type": "input",
        "description": "BCD rate-select input A, with input voltage limited to -0.5 V to VDD+0.5 V."
      },
      {
        "number": "15",
        "name": "B",
        "type": "input",
        "description": "BCD rate-select input B, with input voltage limited to -0.5 V to VDD+0.5 V."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage with a recommended range of 3 V to 18 V and an absolute maximum of +20 V referenced to VSS."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet prints a single 16-lead top-view terminal assignment (page 1) for the E, NSR and PW/PW; Pin functions are taken from the terminal assignment, logic diagram (p-04) and truth table (p-05). A",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0806,
        "at": "2026-11-05T22:57:11"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd4527b.pdf",
        "pages": 18,
        "sha256": "3f7a8589572c05a5",
        "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": "cd4527bpwr.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": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd4527bpwr-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": "f26199b189fce726dde12ea68d6766b738bcb089f760b66b02a3eaede8f6d11e",
        "checked": "2026-11-05",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}