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Ray Set visibility: public bc79324 4h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "hef4046bt",
  "title": "HEF4046BT",
  "brief": "Nexperia Clock Generators / Frequency Synthesizers / PLL, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "clock and timing",
    "hef4046bt",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HEF4046BT",
    "manufacturer": "Nexperia",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Clock and Timing",
    "subcategory": "Clock Generators / Frequency Synthesizers / PLL",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/HEF4046BT.pdf",
    "parts": {
      "symbol": "hef4046bt.kicad_sym",
      "footprint": "hef4046bt.kicad_mod",
      "model_3d": "hef4046bt-hero.glb",
      "model_3d_plain": "hef4046bt-etched.glb",
      "model_3d_step": "hef4046bt-etched.step",
      "model_3d_step_plain": "hef4046bt.step",
      "lbr": "hef4046bt.lbr"
    },
    "distributor_links": {
      "lcsc": "C90682"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T03:00:10Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PCP_OUT",
        "type": "output",
        "description": "Phase comparator pulse output, which is HIGH when phase comparator 2 is in its locked (high-impedance OFF) state and can indicate a locked condition."
      },
      {
        "number": "2",
        "name": "PC1_OUT",
        "type": "output",
        "description": "Phase comparator 1 (EXCLUSIVE-OR) output, whose average voltage is 0.5VDD when there is no signal or noise at the signal input."
      },
      {
        "number": "3",
        "name": "COMP_IN",
        "type": "input",
        "description": "Comparator input, connected directly or via a frequency divider to VCO_OUT, with HIGH-level input voltage of 3.5 V min at VDD = 5 V when DC coupled."
      },
      {
        "number": "4",
        "name": "VCO_OUT",
        "type": "output",
        "description": "VCO output with a typical 50% duty factor, connected directly or via a frequency divider to COMP_IN."
      },
      {
        "number": "5",
        "name": "INH",
        "type": "input",
        "description": "Inhibit input where LOW enables the VCO and source follower and HIGH turns both off to minimize standby power consumption."
      },
      {
        "number": "6",
        "name": "C1A",
        "type": "passive",
        "description": "Capacitor C1 connection A, with C1 recommended from 50 pF upward to set the VCO frequency range together with R1."
      },
      {
        "number": "7",
        "name": "C1B",
        "type": "passive",
        "description": "Capacitor C1 connection B, with C1 recommended from 50 pF upward to set the VCO frequency range together with R1."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground supply voltage (0 V reference)."
      },
      {
        "number": "9",
        "name": "VCO_IN",
        "type": "input",
        "description": "VCO input with a typical input resistance of 10 MΩ, fed by the low-pass filter and set to 0.5VDD for the center frequency."
      },
      {
        "number": "10",
        "name": "SF_OUT",
        "type": "output",
        "description": "Source-follower output of the VCO input voltage, which needs a load resistor RL to VSS if used and should be left open if unused."
      },
      {
        "number": "11",
        "name": "R1",
        "type": "passive",
        "description": "Resistor R1 connection, which with C1 sets the VCO frequency range, with a recommended range of 10 kΩ to 1 MΩ."
      },
      {
        "number": "12",
        "name": "R2",
        "type": "passive",
        "description": "Resistor R2 connection, which sets an optional VCO frequency offset, with a recommended range of 10 kΩ to 1 MΩ."
      },
      {
        "number": "13",
        "name": "PC2_OUT",
        "type": "tri_state",
        "description": "Phase comparator 2 3-state output that drives to VDD or VSS or goes high-impedance when locked."
      },
      {
        "number": "14",
        "name": "SIG_IN",
        "type": "input",
        "description": "Signal input that can be direct-coupled with standard HEF4000B logic levels or capacitively coupled to the self-biasing amplifier for smaller swings."
      },
      {
        "number": "15",
        "name": "ZENER",
        "type": "passive",
        "description": "Zener diode input for regulated supply, with a typical working voltage of 7.3 V at IZ = 50 μA, and left open when unused."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage from 3.0 V to 15.0 V (absolute maximum 18 V), with PLL operation requiring 5 V to 15 V."
      }
    ],
    "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": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin types are inferred from the functional descriptions, not stated by the datasheet. C1A, C1B, R1, ; The datasheet says to leave ZENER (pin 15) open when unused only in the static-characteristics footn"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1587,
        "at": "2026-10-23T02:59:44"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/HEF4046BT.pdf",
        "pages": 17,
        "sha256": "558bd23805a1d9bd",
        "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": "hef4046bt.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": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hef4046bt-etched.step",
        "role": "eda",
        "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": "3a9a50bfa899762344828799e260c69912de61d5baa95b8c443db789ab5c51a9",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Nexperia",
      "Package": "SOIC-16",
      "Category": "Clock and Timing",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "558bd23805a1d9bd4a8eb39610383685ebe2fed58b4210d8314561f04e1f0ed7",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 18,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input clamping current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VI < -0.5 V or VI > VDD + 0.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "max is VDD + 0.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output clamping current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VO < -0.5 V or VO > VDD + 0.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input/output current",
          "symbol": "II/O",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Supply current",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "Tamb",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Total power dissipation",
          "symbol": "Ptot",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "-40 °C to +85 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Power dissipation per output",
          "symbol": "P",
          "kind": "absolute_maximum",
          "unit": "mW",
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          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage, fixed oscillator only",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 15,
          "conditions": "as fixed oscillator only",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage, PLL operation",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 5,
          "typ": null,
          "max": 15,
          "conditions": "phase-locked loop operation",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Input voltage",
          "symbol": "VI",
          "kind": "recommended_operating",
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          "min": 0,
          "typ": null,
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          "conditions": "max is VDD",
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          "source": "datasheet"
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        {
          "name": "Ambient temperature",
          "symbol": "Tamb",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
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          "max": 85,
          "conditions": "in free air",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input transition rise and fall rate",
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          "kind": "recommended_operating",
          "unit": "μs/V",
          "min": null,
          "typ": null,
          "max": 3.75,
          "conditions": "for INH input; VDD = 5 V",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Input transition rise and fall rate",
          "symbol": "Δt/ΔV",
          "kind": "recommended_operating",
          "unit": "μs/V",
          "min": null,
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          "max": 0.5,
          "conditions": "for INH input; VDD = 10 V",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Input transition rise and fall rate",
          "symbol": "Δt/ΔV",
          "kind": "recommended_operating",
          "unit": "μs/V",
          "min": null,
          "typ": null,
          "max": 0.08,
          "conditions": "for INH input; VDD = 15 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "|IO| < 1 μA; VDD = 5 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "HIGH-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 7,
          "typ": null,
          "max": null,
          "conditions": "|IO| < 1 μA; VDD = 10 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level input voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 11,
          "typ": null,
          "max": null,
          "conditions": "|IO| < 1 μA; VDD = 15 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "LOW-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "|IO| < 1 μA; VDD = 5 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "LOW-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "|IO| < 1 μA; VDD = 10 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "LOW-level input voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "|IO| < 1 μA; VDD = 15 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.95,
          "typ": null,
          "max": null,
          "conditions": "|IO| < 1 μA; VDD = 5 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 9.95,
          "typ": null,
          "max": null,
          "conditions": "|IO| < 1 μA; VDD = 10 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 14.95,
          "typ": null,
          "max": null,
          "conditions": "|IO| < 1 μA; VDD = 15 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "LOW-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.05,
          "conditions": "|IO| < 1 μA; VDD = 5/10/15 V; Tamb = -40/+25/+85 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -1.4,
          "conditions": "VO = 2.5 V; VDD = 5 V; Tamb = +25 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output current",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -0.44,
          "conditions": "VO = 4.6 V; VDD = 5 V; Tamb = +25 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -1.1,
          "conditions": "VO = 9.5 V; VDD = 10 V; Tamb = +25 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "HIGH-level output current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -3,
          "conditions": "VO = 13.5 V; VDD = 15 V; Tamb = +25 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "LOW-level output current",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 0.44,
          "typ": null,
          "max": null,
          "conditions": "VO = 0.4 V; VDD = 5 V; Tamb = +25 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "LOW-level output current",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 1.1,
          "typ": null,
          "max": null,
          "conditions": "VO = 0.5 V; VDD = 10 V; Tamb = +25 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "LOW-level output current",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "VO = 1.5 V; VDD = 15 V; Tamb = +25 °C",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "μA",
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