main
Ray Set visibility: public 7e6599f 6d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74hcs20pwr",
  "title": "SN74HCS20PWR",
  "brief": "Texas Instruments Logic Gates, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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  "component": {
    "mpn": "SN74HCS20PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Logic Gates",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74hcs20.pdf",
    "parts": {
      "symbol": "sn74hcs20pwr.kicad_sym",
      "footprint": "sn74hcs20pwr.kicad_mod",
      "model_3d": "sn74hcs20pwr-hero.glb",
      "model_3d_plain": "sn74hcs20pwr-etched.glb",
      "model_3d_step": "sn74hcs20pwr-etched.step",
      "model_3d_step_plain": "sn74hcs20pwr.step",
      "lbr": "sn74hcs20pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871528"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T16:38:49Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1A",
        "type": "input",
        "description": "Channel 1 input A of the first 4-input NAND gate, a Schmitt-trigger input that tolerates slow or noisy signals."
      },
      {
        "number": "2",
        "name": "1B",
        "type": "input",
        "description": "Channel 1 input B of the first 4-input NAND gate, a Schmitt-trigger input that tolerates slow or noisy signals."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected."
      },
      {
        "number": "4",
        "name": "1C",
        "type": "input",
        "description": "Channel 1 input C of the first 4-input NAND gate, a Schmitt-trigger input that tolerates slow or noisy signals."
      },
      {
        "number": "5",
        "name": "1D",
        "type": "input",
        "description": "Channel 1 input D of the first 4-input NAND gate, a Schmitt-trigger input that tolerates slow or noisy signals."
      },
      {
        "number": "6",
        "name": "1Y",
        "type": "output",
        "description": "Channel 1 output Y of the first NAND gate, where Y = A·B·C·D in positive logic."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin."
      },
      {
        "number": "8",
        "name": "2Y",
        "type": "output",
        "description": "Channel 2 output Y of the second NAND gate, where Y = A·B·C·D in positive logic."
      },
      {
        "number": "9",
        "name": "2A",
        "type": "input",
        "description": "Channel 2 input A of the second 4-input NAND gate, a Schmitt-trigger input that tolerates slow or noisy signals."
      },
      {
        "number": "10",
        "name": "2B",
        "type": "input",
        "description": "Channel 2 input B of the second 4-input NAND gate, a Schmitt-trigger input that tolerates slow or noisy signals."
      },
      {
        "number": "11",
        "name": "NC",
        "type": "unconnected",
        "description": "Not internally connected."
      },
      {
        "number": "12",
        "name": "2C",
        "type": "input",
        "description": "Channel 2 input C of the second 4-input NAND gate, a Schmitt-trigger input that tolerates slow or noisy signals."
      },
      {
        "number": "13",
        "name": "2D",
        "type": "input",
        "description": "Channel 2 input D of the second 4-input NAND gate, a Schmitt-trigger input that tolerates slow or noisy signals."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; the recommended operating supply range is 2 V to 6 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The VCC description includes the 2 V to 6 V recommended supply range, which is stated on page 4 (Sec; Pin numbers and names come from Table 4-1 and Figure 4-1 on the D (SOIC) and PW (TSSOP) package; the"
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        "pages_sent": 7,
        "cost_usd": 0.0339,
        "at": "2026-10-17T16:34:16"
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        "checked": "2026-10-17",
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-14",
      "Category": "Logic",
      "Pins": "14"
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    "characteristics": {
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          "name": "Supply voltage",
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          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input clamp current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VI < -0.5 or VI > VCC + 0.5",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Output clamp current",
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          "kind": "absolute_maximum",
          "unit": "mA",
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          "conditions": "VO < -0.5 or VO > VCC + 0.5",
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          "min": -35,
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          "max": 35,
          "conditions": "VO = 0 to VCC",
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          "name": "Continuous current through VCC or GND",
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        {
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          "min": null,
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        {
          "name": "Storage temperature",
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          "unit": "°C",
          "min": -65,
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        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": 6,
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          "source_page": 4,
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        {
          "name": "Input voltage",
          "symbol": "VI",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VCC",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VCC",
          "source_page": 4,
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        },
        {
          "name": "Ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Operating free-air temperature",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Positive switching threshold",
          "symbol": "VT+",
          "kind": "electrical",
          "unit": "V",
          "min": 1.13,
          "typ": 1.26,
          "max": 1.37,
          "conditions": "VCC = 2V",
          "source_page": 5,
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        {
          "name": "Positive switching threshold",
          "symbol": "VT+",
          "kind": "electrical",
          "unit": "V",
          "min": 2.31,
          "typ": 2.47,
          "max": 2.66,
          "conditions": "VCC = 4.5V",
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        {
          "name": "Positive switching threshold",
          "symbol": "VT+",
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          "min": 2.99,
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          "conditions": "VCC = 6V",
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          "name": "Negative switching threshold",
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          "min": 0.55,
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          "min": 1.21,
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          "min": 1.56,
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          "min": 0.54,
          "typ": 0.64,
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          "name": "Hysteresis (VT+ - VT-)",
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          "unit": "V",
          "min": 0.94,
          "typ": 1.11,
          "max": 1.27,
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          "name": "High-level output voltage",
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          "symbol": "VOL",
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          "source_page": 5,
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          "name": "Low-level output voltage",
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          "name": "Input leakage current",
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          "kind": "electrical",
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          "typ": 100,
          "max": 1000,
          "conditions": "VI = VCC or 0, VCC = 6V",
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          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
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          "max": 2,
          "conditions": "VI = VCC or 0, IO = 0, VCC = 6V",
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        {
          "name": "Propagation delay A or B to Y",
          "symbol": "tpd",
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          "conditions": "VCC = 2V",
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          "name": "Propagation delay A or B to Y",
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          "name": "Junction-to-board characterization parameter",
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          "min": null,
          "typ": 94.1,
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          "conditions": "PW (TSSOP) 14 pins",
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          "name": "Input capacitance",
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          "min": null,
          "typ": 5,
          "max": null,
          "conditions": "VCC = 2V to 6V",
          "source_page": 5,
          "source": "datasheet"
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  "discovery_pitch": "SN74HCS20PWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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