SN74LVTH573DBR

{
  "slug": "sn74lvth573dbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Latches, SSOP-20-5.2mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74lvth573dbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74lvth573dbr.kicad_sym",
    "sn74lvth573dbr.kicad_mod",
    "sn74lvth573dbr.glb",
    "sn74lvth573dbr.step",
    "sn74lvth573dbr.lbr",
    "docs/hero.png",
    "docs/sn74lvth573dbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "SN74LVTH573DBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-20-5.2mm",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Latches",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lvth573dbr.pdf",
    "parts": {
      "symbol": "sn74lvth573dbr.kicad_sym",
      "footprint": "sn74lvth573dbr.kicad_mod",
      "model_3d": "sn74lvth573dbr-etched.glb",
      "model_3d_plain": "sn74lvth573dbr.glb",
      "model_3d_step": "sn74lvth573dbr-etched.step",
      "model_3d_step_plain": "sn74lvth573dbr.step",
      "lbr": "sn74lvth573dbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2863365",
      "digikey": "296-8733-2-ND",
      "mouser": "595-SN74LVTH573DBR"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T06:26:04Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-8733-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74LVTH573DBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Active-low buffered output enable: when high, the eight outputs are forced to the high-impedance state, and OE should be tied to VCC through a pullup resistor to keep the outputs in high-impedance during power up and power down."
      },
      {
        "number": "2",
        "name": "1D",
        "type": "input",
        "description": "Data input to latch 1 with active bus-hold circuitry that holds the input at a valid logic level when floating; the recommended input voltage maximum is 5.5 V."
      },
      {
        "number": "3",
        "name": "2D",
        "type": "input",
        "description": "Data input to latch 2 with active bus-hold circuitry that holds the input at a valid logic level when floating; the recommended input voltage maximum is 5.5 V."
      },
      {
        "number": "4",
        "name": "3D",
        "type": "input",
        "description": "Data input to latch 3 with active bus-hold circuitry that holds the input at a valid logic level when floating; the recommended input voltage maximum is 5.5 V."
      },
      {
        "number": "5",
        "name": "4D",
        "type": "input",
        "description": "Data input to latch 4 with active bus-hold circuitry that holds the input at a valid logic level when floating; the recommended input voltage maximum is 5.5 V."
      },
      {
        "number": "6",
        "name": "5D",
        "type": "input",
        "description": "Data input to latch 5 with active bus-hold circuitry that holds the input at a valid logic level when floating; the recommended input voltage maximum is 5.5 V."
      },
      {
        "number": "7",
        "name": "6D",
        "type": "input",
        "description": "Data input to latch 6 with active bus-hold circuitry that holds the input at a valid logic level when floating; the recommended input voltage maximum is 5.5 V."
      },
      {
        "number": "8",
        "name": "7D",
        "type": "input",
        "description": "Data input to latch 7 with active bus-hold circuitry that holds the input at a valid logic level when floating; the recommended input voltage maximum is 5.5 V."
      },
      {
        "number": "9",
        "name": "8D",
        "type": "input",
        "description": "Data input to latch 8 with active bus-hold circuitry that holds the input at a valid logic level when floating; the recommended input voltage maximum is 5.5 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference."
      },
      {
        "number": "11",
        "name": "LE",
        "type": "input",
        "description": "Latch enable: while high the Q outputs follow the D inputs, and when taken low the Q outputs latch the levels present at the D inputs, with a minimum high pulse duration of 3 ns."
      },
      {
        "number": "12",
        "name": "8Q",
        "type": "tri_state",
        "description": "Three-state output of latch 8 with IOH of -32 mA and IOL of 64 mA maximum for SN74LVTH573 at recommended conditions."
      },
      {
        "number": "13",
        "name": "7Q",
        "type": "tri_state",
        "description": "Three-state output of latch 7 with IOH of -32 mA and IOL of 64 mA maximum for SN74LVTH573 at recommended conditions."
      },
      {
        "number": "14",
        "name": "6Q",
        "type": "tri_state",
        "description": "Three-state output of latch 6 with IOH of -32 mA and IOL of 64 mA maximum for SN74LVTH573 at recommended conditions."
      },
      {
        "number": "15",
        "name": "5Q",
        "type": "tri_state",
        "description": "Three-state output of latch 5 with IOH of -32 mA and IOL of 64 mA maximum for SN74LVTH573 at recommended conditions."
      },
      {
        "number": "16",
        "name": "4Q",
        "type": "tri_state",
        "description": "Three-state output of latch 4 with IOH of -32 mA and IOL of 64 mA maximum for SN74LVTH573 at recommended conditions."
      },
      {
        "number": "17",
        "name": "3Q",
        "type": "tri_state",
        "description": "Three-state output of latch 3 with IOH of -32 mA and IOL of 64 mA maximum for SN74LVTH573 at recommended conditions."
      },
      {
        "number": "18",
        "name": "2Q",
        "type": "tri_state",
        "description": "Three-state output of latch 2 with IOH of -32 mA and IOL of 64 mA maximum for SN74LVTH573 at recommended conditions."
      },
      {
        "number": "19",
        "name": "1Q",
        "type": "tri_state",
        "description": "Three-state output of latch 1 with IOH of -32 mA and IOL of 64 mA maximum for SN74LVTH573 at recommended conditions."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage for SN74LVTH573, specified from 2.7 V to 3.6 V."
      }
    ],
    "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: Package hint 'SSOP-20-5.2mm' is not stated verbatim in the datasheet. The only SSOP-20 in this docum; The datasheet's pin diagram lists pin labels and numbers in text form without explicit per-pin coord; Pin descriptions for the data inputs and outputs are generic across the 8 channels; they reflect the",
          "6/20 pins cited to the wrong page (name found elsewhere): ['12:8Q@p4', '13:7Q@p4', '14:6Q@p4', '15:5Q@p4']"
        ],
        "pages_sent": 31,
        "cost_usd": 0.0967,
        "at": "2026-10-18T06:23:00"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74lvth573dbr.pdf",
        "pages": 31,
        "sha256": "f641d5d3d4b7bb5f",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn74lvth573dbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
          10.2,
          1.98
        ],
        "zmin_mm": 0.02,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6dff36ebd77080baba066b7aca3416ba1a817c310d24eec7f7cd42b41d1e0c8d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lvth573dbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.3,
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        ],
        "zmin_mm": 0.02,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "a381a5162d21294f5d653ae3aecbb3dd1ae0e126f2ecc2a5df51865f8fa269fc",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}