SN74AVC4T245DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74avc4t245dr",
  "title": "SN74AVC4T245DR",
  "brief": "Texas Instruments Translators / Level Shifters, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "sn74avc4t245dr"
  ],
  "component": {
    "mpn": "SN74AVC4T245DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Translators / Level Shifters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74avc4t245.pdf",
    "parts": {
      "symbol": "sn74avc4t245dr.kicad_sym",
      "footprint": "sn74avc4t245dr.kicad_mod",
      "model_3d": "sn74avc4t245dr-etched.glb",
      "model_3d_plain": "sn74avc4t245dr.glb",
      "model_3d_step": "sn74avc4t245dr-etched.step",
      "model_3d_step_plain": "sn74avc4t245dr.step",
      "lbr": "sn74avc4t245dr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VCCA",
        "type": "power_in",
        "description": "A-port power supply voltage. 1.2 V <= VCCA <= 3.6 V. Sets the reference voltage for the A-port I/Os and the DIR/OE control inputs."
      },
      {
        "number": "2",
        "name": "1DIR",
        "type": "input",
        "description": "Direction-control input for the '1' 2-bit port pair (1A1/1A2 <-> 1B1/1B2). HIGH transmits A->B, LOW transmits B->A. Referenced to VCCA."
      },
      {
        "number": "3",
        "name": "2DIR",
        "type": "input",
        "description": "Direction-control input for the '2' 2-bit port pair (2A1/2A2 <-> 2B1/2B2). HIGH transmits A->B, LOW transmits B->A. Referenced to VCCA."
      },
      {
        "number": "4",
        "name": "1A1",
        "type": "bidirectional",
        "description": "Input/output 1A1 on the A side of the '1' transceiver bit. Referenced to VCCA (1.2 V to 3.6 V)."
      },
      {
        "number": "5",
        "name": "1A2",
        "type": "bidirectional",
        "description": "Input/output 1A2 on the A side of the '1' transceiver bit. Referenced to VCCA (1.2 V to 3.6 V)."
      },
      {
        "number": "6",
        "name": "2A1",
        "type": "bidirectional",
        "description": "Input/output 2A1 on the A side of the '2' transceiver bit. Referenced to VCCA (1.2 V to 3.6 V)."
      },
      {
        "number": "7",
        "name": "2A2",
        "type": "bidirectional",
        "description": "Input/output 2A2 on the A side of the '2' transceiver bit. Referenced to VCCA (1.2 V to 3.6 V)."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. Must be tied to system ground."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device. Must be tied to system ground."
      },
      {
        "number": "10",
        "name": "2B2",
        "type": "bidirectional",
        "description": "Input/output 2B2 on the B side of the '2' transceiver bit. Referenced to VCCB (1.2 V to 3.6 V)."
      },
      {
        "number": "11",
        "name": "2B1",
        "type": "bidirectional",
        "description": "Input/output 2B1 on the B side of the '2' transceiver bit. Referenced to VCCB (1.2 V to 3.6 V)."
      },
      {
        "number": "12",
        "name": "1B2",
        "type": "bidirectional",
        "description": "Input/output 1B2 on the B side of the '1' transceiver bit. Referenced to VCCB (1.2 V to 3.6 V)."
      },
      {
        "number": "13",
        "name": "1B1",
        "type": "bidirectional",
        "description": "Input/output 1B1 on the B side of the '1' transceiver bit. Referenced to VCCB (1.2 V to 3.6 V)."
      },
      {
        "number": "14",
        "name": "2OE",
        "type": "input",
        "description": "Active-low 3-state output enable for the '2' transceiver bit. Drive LOW to enable outputs, HIGH to place 2A1/2A2/2B1/2B2 in Hi-Z. Referenced to VCCA."
      },
      {
        "number": "15",
        "name": "1OE",
        "type": "input",
        "description": "Active-low 3-state output enable for the '1' transceiver bit. Drive LOW to enable outputs, HIGH to place 1A1/1A2/1B1/1B2 in Hi-Z. Referenced to VCCA."
      },
      {
        "number": "16",
        "name": "VCCB",
        "type": "power_in",
        "description": "B-port power supply voltage. 1.2 V <= VCCB <= 3.6 V. Sets the reference voltage for the B-port I/Os."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74avc4t245.pdf",
        "pages": 46,
        "sha256": "218e7e3a60f567bb",
        "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"
    },
    "logic": {
      "family_id": "74AVC4T245",
      "logic_family": "74AVC",
      "function_code": "4T245",
      "function_class": null,
      "function_name": null,
      "manufacturer": "Texas Instruments",
      "is_specialty": false
    },
    "models_3d": [
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        "file": "sn74avc4t245dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74avc4t245dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5e8510e3a0fe0b1b317ada15f29684b4c3ef3a1e2257204416f2f36db1b9aa76",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74avc4t245dr"
  ],
  "discovery_pitch": "SN74AVC4T245DR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "sn74avc4t245dr.kicad_sym",
    "sn74avc4t245dr.kicad_mod",
    "sn74avc4t245dr.glb",
    "sn74avc4t245dr.step",
    "sn74avc4t245dr.lbr",
    "docs/hero.png",
    "docs/sn74avc4t245dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74avc4t245dr-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "SN74AVC4T245DRD",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRDGV",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRDGVR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRPW",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRPWR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRRGY",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRRGYR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRRSV",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRRSVR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRBQB",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRBQBR",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRDYY",
      "kind": "packaging"
    },
    {
      "mpn": "SN74AVC4T245DRDYYR",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-25T06:52:51.503Z"
}