SN74LVCZ245APWR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74lvcz245apwr",
  "title": "SN74LVCZ245APWR",
  "brief": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, TSSOP-20. 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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    "logic",
    "sn74lvcz245apwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN74LVCZ245APWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lvcz245a.pdf",
    "parts": {
      "symbol": "sn74lvcz245apwr.kicad_sym",
      "footprint": "sn74lvcz245apwr.kicad_mod",
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      "model_3d_plain": "sn74lvcz245apwr-etched.glb",
      "model_3d_step": "sn74lvcz245apwr-etched.step",
      "model_3d_step_plain": "sn74lvcz245apwr.step",
      "lbr": "sn74lvcz245apwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2871106",
      "digikey": "296-9879-2-ND",
      "mouser": "595-SN74LVCZ245APWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:48:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-9879-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74LVCZ245APWR",
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    },
    "pins": [
      {
        "number": "1",
        "name": "DIR",
        "type": "input",
        "description": "Direction-control input: a low level selects B-to-A data transfer and a high level selects A-to-B transfer; it accepts voltages up to 5.5 V."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "bidirectional",
        "description": "A-bus data port 1, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "bidirectional",
        "description": "A-bus data port 2, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "4",
        "name": "A3",
        "type": "bidirectional",
        "description": "A-bus data port 3, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "5",
        "name": "A4",
        "type": "bidirectional",
        "description": "A-bus data port 4, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "6",
        "name": "A5",
        "type": "bidirectional",
        "description": "A-bus data port 5, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "7",
        "name": "A6",
        "type": "bidirectional",
        "description": "A-bus data port 6, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "8",
        "name": "A7",
        "type": "bidirectional",
        "description": "A-bus data port 7, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "9",
        "name": "A8",
        "type": "bidirectional",
        "description": "A-bus data port 8, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "11",
        "name": "B8",
        "type": "bidirectional",
        "description": "B-bus data port 8, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "12",
        "name": "B7",
        "type": "bidirectional",
        "description": "B-bus data port 7, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "13",
        "name": "B6",
        "type": "bidirectional",
        "description": "B-bus data port 6, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "14",
        "name": "B5",
        "type": "bidirectional",
        "description": "B-bus data port 5, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "15",
        "name": "B4",
        "type": "bidirectional",
        "description": "B-bus data port 4, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "16",
        "name": "B3",
        "type": "bidirectional",
        "description": "B-bus data port 3, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "17",
        "name": "B2",
        "type": "bidirectional",
        "description": "B-bus data port 2, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "18",
        "name": "B1",
        "type": "bidirectional",
        "description": "B-bus data port 1, a 3-state I/O that is high-impedance when OE is high; output current is limited to ±12 mA at 2.7 V and ±24 mA at 3 V."
      },
      {
        "number": "19",
        "name": "OE",
        "type": "input",
        "description": "Output-enable input: a low level enables the transceiver and a high level isolates the A and B buses; tie it to VCC through a pullup resistor to hold the high-impedance state above 1.5 V."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 2.7 V to 3.6 V recommended (absolute maximum 6.5 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 pin numbers were inferred from the pin-diagram text layout (pins 1-10 down the left, 11-20 up th"
        ],
        "pages_sent": 21,
        "cost_usd": 0.078,
        "at": "2026-10-18T05:47:37"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74lvcz245a.pdf",
        "pages": 21,
        "sha256": "9865c81acc6a04f4",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-20",
      "Category": "Logic",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "9865c81acc6a04f483ce14468a5100ff76505c5b49a2b517ec95276c519ca3f4",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.7 V to 3.6 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
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          "max": 0.8,
          "conditions": "VCC = 2.7 V to 3.6 V",
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        {
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          "kind": "recommended_operating",
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          "conditions": "",
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        {
          "name": "Output voltage (high or low state)",
          "symbol": "VO",
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          "min": 0,
          "typ": null,
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        {
          "name": "Output voltage (3-state)",
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        {
          "name": "High-level output current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -12,
          "conditions": "VCC = 2.7 V",
          "source_page": 3,
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        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -24,
          "conditions": "VCC = 3 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "VCC = 2.7 V",
          "source_page": 3,
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        },
        {
          "name": "Low-level output current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 24,
          "conditions": "VCC = 3 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Input transition rise or fall rate",
          "symbol": "Δt/Δv",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-up ramp rate",
          "symbol": "Δt/ΔVCC",
          "kind": "recommended_operating",
          "unit": "µs/V",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage range",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input voltage range",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage applied to output in high-impedance or power-off state",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "High-impedance or power-off state",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage applied to output in high or low state",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "High or low state",
          "source_page": 2,
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        },
        {
          "name": "Input clamp current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "VI < 0",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output clamp current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "VO < 0",
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          "source": "datasheet"
        },
        {
          "name": "Continuous output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Continuous current through VCC or GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Package thermal impedance (PW package)",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 83,
          "conditions": "PW package, per JESD 51-7",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.2,
          "typ": null,
          "max": null,
          "conditions": "IOH = -12 mA, VCC = 2.7 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "IOH = -12 mA, VCC = 3 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "IOL = 100 µA, VCC = 2.7 V to 3.6 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOL = 12 mA, VCC = 2.7 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "IOL = 24 mA, VCC = 3 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Control input leakage current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Control inputs VI = 0 to 5.5 V, VCC = 3.6 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-off leakage current",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VI or VO = 5.5 V, VCC = 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "3-state output leakage current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VO = 0 to 5.5 V, VCC = 3.6 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-up 3-state output current",
          "symbol": "IOZPU",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VO = 0.5 V to 2.5 V, OE = don't care, VCC = 0 to 1.5 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Power-down 3-state output current",
          "symbol": "IOZPD",
          "kind": "electrical",
          "unit": "µA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "VO = 0.5 V to 2.5 V, OE = don't care, VCC = 1.5 V to 0",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Quiescent supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "VI = VCC or GND, IO = 0, VCC = 3.6 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Additional supply current per input",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "One input at VCC – 0.6 V, other inputs at VCC or GND, VCC = 2.7 V to 3.6 V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay (A or B to B or A)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 7.3,
          "conditions": "VCC = 2.7 V ± 0.3 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay (A or B to B or A)",
          "symbol": "tpd",
          "kind": "timing",
          "unit": "ns",
          "min": 1.5,
          "typ": null,
          "max": 6.3,
          "conditions": "VCC = 3.3 V ± 0.3 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output enable time (OE to A or B)",
          "symbol": "ten",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 9.5,
          "conditions": "VCC = 2.7 V ± 0.3 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output enable time (OE to A or B)",
          "symbol": "ten",
          "kind": "timing",
          "unit": "ns",
          "min": 1.5,
          "typ": null,
          "max": 8.5,
          "conditions": "VCC = 3.3 V ± 0.3 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output disable time (OE to A or B)",
          "symbol": "tdis",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 8.5,
          "conditions": "VCC = 2.7 V ± 0.3 V",
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