SN74AVCH4T245PW

{
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  "type": "component",
  "slug": "sn74avch4t245pw",
  "title": "SN74AVCH4T245PW",
  "brief": "Texas Instruments Logic ICs, TSSOP-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": [
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    "sn74avch4t245pw",
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  "component": {
    "mpn": "SN74AVCH4T245PW",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic ICs",
    "subcategory": "Logic ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74avch4t245.pdf",
    "parts": {
      "symbol": "sn74avch4t245pw.kicad_sym",
      "footprint": "sn74avch4t245pw.kicad_mod",
      "model_3d": "sn74avch4t245pw-hero.glb",
      "model_3d_plain": "sn74avch4t245pw-etched.glb",
      "model_3d_step": "sn74avch4t245pw-etched.step",
      "model_3d_step_plain": "sn74avch4t245pw.step",
      "lbr": "sn74avch4t245pw.lbr"
    },
    "distributor_links": {
      "lcsc": "C1549759",
      "mouser": "595-SN74AVCH4T245PW"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T18:37:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
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      "mouser": {
        "pn": "595-SN74AVCH4T245PW",
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    },
    "pins": [
      {
        "number": "1",
        "name": "VCCA",
        "type": "power_in",
        "description": "A-port power supply voltage, with 1.2V ≤ VCCA ≤ 3.6V."
      },
      {
        "number": "2",
        "name": "1DIR",
        "type": "input",
        "description": "Direction-control input for the 1 ports, supplied by VCCA."
      },
      {
        "number": "3",
        "name": "2DIR",
        "type": "input",
        "description": "Direction-control input for the 2 ports, supplied by VCCA."
      },
      {
        "number": "4",
        "name": "1A1",
        "type": "bidirectional",
        "description": "Input/output 1A1, referenced to VCCA."
      },
      {
        "number": "5",
        "name": "1A2",
        "type": "bidirectional",
        "description": "Input/output 1A2, referenced to VCCA."
      },
      {
        "number": "6",
        "name": "2A1",
        "type": "bidirectional",
        "description": "Input/output 2A1, referenced to VCCA."
      },
      {
        "number": "7",
        "name": "2A2",
        "type": "bidirectional",
        "description": "Input/output 2A2, referenced to VCCA."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "10",
        "name": "2B2",
        "type": "bidirectional",
        "description": "Input/output 2B2, referenced to VCCA."
      },
      {
        "number": "11",
        "name": "2B1",
        "type": "bidirectional",
        "description": "Input/output 2B1, referenced to VCCA."
      },
      {
        "number": "12",
        "name": "1B2",
        "type": "bidirectional",
        "description": "Input/output 1B2, referenced to VCCA."
      },
      {
        "number": "13",
        "name": "1B1",
        "type": "bidirectional",
        "description": "Input/output 1B1, referenced to VCCA."
      },
      {
        "number": "14",
        "name": "2OE",
        "type": "input",
        "description": "3-state output-mode enable for the 2 outputs; pulling OE high places the '2' outputs in 3-state mode, referenced to VCCA."
      },
      {
        "number": "15",
        "name": "1OE",
        "type": "input",
        "description": "3-state output-mode enable for the 1 outputs; pulling OE high places the '1' outputs in 3-state mode, referenced to VCCA."
      },
      {
        "number": "16",
        "name": "VCCB",
        "type": "power_in",
        "description": "B-port power supply voltage, with 1.2V to 3.6V per the Section 3 description."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The Table 4-1 description for VCCB prints the supply limit as 1.2V ≤ VCCA ≤ 3.6V, which appears to b"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0459,
        "at": "2026-10-27T18:37:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74avch4t245.pdf",
        "pages": 39,
        "sha256": "9f1b4fc7bf2b61d9",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
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        "refuses_to_fabricate": true
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      "footprint": "viewers/footprint.html"
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        "units": "mm",
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        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
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        "checked": "2026-10-27",
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-16",
      "Category": "Logic ICs",
      "Pins": "16"
    },
    "characteristics": {
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          "name": "VCCA Supply voltage A",
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          "kind": "absolute_maximum",
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        {
          "name": "Input voltage Control Inputs",
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          "conditions": "Control inputs",
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        {
          "name": "Voltage applied to output in high-impedance or power-off state A Port",
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        {
          "name": "Voltage applied to output in high-impedance or power-off state B Port",
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        {
          "name": "Voltage applied to any output in high or low state A Port",
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        {
          "name": "Voltage applied to any output in high or low state B Port",
          "symbol": "VO",
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          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "B port, high or low state; max printed as VCCB + 0.5",
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        },
        {
          "name": "Input clamp current",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
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          "max": null,
          "conditions": "VI < 0",
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          "name": "Output clamp current",
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          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "VO < 0",
          "source_page": 6,
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        },
        {
          "name": "Continuous output current",
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          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
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          "name": "Continuous current through VCCA, VCCB, or GND",
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          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 6,
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        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
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        {
          "name": "Supply voltage A",
          "symbol": "VCCA",
          "kind": "recommended_operating",
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          "min": 1.2,
          "typ": null,
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        {
          "name": "Supply voltage B",
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          "kind": "recommended_operating",
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        {
          "name": "High-level input voltage Data inputs",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "xVCCI",
          "min": 0.65,
          "typ": null,
          "max": null,
          "conditions": "VCCI 1.2V to 1.95V; printed as VCCI x 0.65",
          "source_page": 7,
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        {
          "name": "High-level input voltage Data inputs",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "VCCI 1.95V to 2.7V",
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        {
          "name": "High-level input voltage Data inputs",
          "symbol": "VIH",
          "kind": "recommended_operating",
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          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCCI 2.7V to 3.6V",
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        {
          "name": "Low-level input voltage Data inputs",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "xVCCI",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "VCCI 1.2V to 1.95V; printed as VCCI x 0.35",
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        {
          "name": "Low-level input voltage Data inputs",
          "symbol": "VIL",
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          "conditions": "VCCI 1.95V to 2.7V",
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          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage Data inputs",
          "symbol": "VIL",
          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCCI 2.7V to 3.6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage DIR referenced to VCCA",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "xVCCA",
          "min": 0.65,
          "typ": null,
          "max": null,
          "conditions": "VCCA 1.2V to 1.95V; printed as VCCA x 0.65",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage DIR referenced to VCCA",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.6,
          "typ": null,
          "max": null,
          "conditions": "VCCA 1.95V to 2.7V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage DIR referenced to VCCA",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCCA 2.7V to 3.6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage DIR referenced to VCCA",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "xVCCA",
          "min": null,
          "typ": null,
          "max": 0.35,
          "conditions": "VCCA 1.2V to 1.95V; printed as VCCA x 0.35",
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        {
          "name": "Low-level input voltage DIR referenced to VCCA",
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        {
          "name": "Low-level input voltage DIR referenced to VCCA",
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          "unit": "V",
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          "typ": null,
          "max": 0.8,
          "conditions": "VCCA 2.7V to 3.6V",
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        },
        {
          "name": "Input voltage",
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          "min": 0,
          "typ": null,
          "max": 3.6,
          "conditions": "",
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        {
          "name": "Output voltage active state",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Active state; max printed as VCCO",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Output voltage 3-state",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 3.6,
          "conditions": "3-state",
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        {
          "name": "High-level output current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": -3,
          "typ": null,
          "max": null,
          "conditions": "1.2V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -6,
          "typ": null,
          "max": null,
          "conditions": "1.4V to 1.6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -8,
          "typ": null,
          "max": null,
          "conditions": "1.65V to 1.95V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -9,
          "typ": null,
          "max": null,
          "conditions": "2.3V to 2.7V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -12,
          "typ": null,
          "max": null,
          "conditions": "3V to 3.6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "1.2V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "1.4V to 1.6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "1.65V to 1.95V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 9,
          "conditions": "2.3V to 2.7V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "3V to 3.6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current DIR",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": 0.025,
          "max": 1,
          "conditions": "DIR, VI = VCCA or GND, 1.2V to 3.6V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Supply current ICCA",
          "symbol": "ICCA",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VI = VCCI or GND, IO = 0, VCCA 1.2V to 3.6V, VCCB 1.2V to 3.6V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply current ICCB",
          "symbol": "ICCB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VI = VCCI or GND, IO = 0, VCCA 1.2V to 3.6V, VCCB 1.2V to 3.6V",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Supply current ICCA + ICCB",
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