SN74AVCH4T245PW

{
  "slug": "sn74avch4t245pw",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Logic ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "sn74avch4t245pw",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74avch4t245pw.kicad_sym",
    "sn74avch4t245pw.kicad_mod",
    "sn74avch4t245pw.glb",
    "sn74avch4t245pw.step",
    "sn74avch4t245pw.lbr",
    "docs/hero.png",
    "docs/sn74avch4t245pw-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74avch4t245pw-hero.glb",
    "sn74avch4t245pw-hero.overlay.json",
    "sn74avch4t245pw-etched.glb"
  ],
  "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"
      },
      "mouser": {
        "pn": "595-SN74AVCH4T245PW",
        "status": "found"
      }
    },
    "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",
      "factory_chain": {
        "factory": "2.0.0",
        "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 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"
      },
      "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": "sn74avch4t245pw.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74avch4t245pw-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5.0,
          1.1
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "059a101548ec6501b927178ee0a157c1cf48061e7793c38e60cb02be0f8ec9ed",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}