SN74ABT573APWR

{
  "slug": "sn74abt573apwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Latches, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74abt573apwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74abt573apwr.kicad_sym",
    "sn74abt573apwr.kicad_mod",
    "sn74abt573apwr.glb",
    "sn74abt573apwr.step",
    "sn74abt573apwr.lbr",
    "docs/hero.png",
    "docs/sn74abt573apwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74abt573apwr-hero.glb",
    "sn74abt573apwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74ABT573APWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Latches",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74abt573a.pdf",
    "parts": {
      "symbol": "sn74abt573apwr.kicad_sym",
      "footprint": "sn74abt573apwr.kicad_mod",
      "model_3d": "sn74abt573apwr-hero.glb",
      "model_3d_plain": "sn74abt573apwr.glb",
      "model_3d_step": "sn74abt573apwr-etched.step",
      "model_3d_step_plain": "sn74abt573apwr.step",
      "lbr": "sn74abt573apwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2652974",
      "digikey": "296-4035-2-ND",
      "mouser": "595-SN74ABT573APWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T19:50:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-4035-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74ABT573APWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Buffered output-enable input that places the eight outputs in a normal logic state when low or in the high-impedance state when high, without affecting latch internal operation; tie to VCC through a pullup resistor to ensure high-Z during power up or down."
      },
      {
        "number": "2",
        "name": "1D",
        "type": "input",
        "description": "Data input for latch 1, passed to 1Q when LE is high and latched on the falling edge of LE."
      },
      {
        "number": "3",
        "name": "2D",
        "type": "input",
        "description": "Data input for latch 2, passed to 2Q when LE is high and latched on the falling edge of LE."
      },
      {
        "number": "4",
        "name": "3D",
        "type": "input",
        "description": "Data input for latch 3, passed to 3Q when LE is high and latched on the falling edge of LE."
      },
      {
        "number": "5",
        "name": "4D",
        "type": "input",
        "description": "Data input for latch 4, passed to 4Q when LE is high and latched on the falling edge of LE."
      },
      {
        "number": "6",
        "name": "5D",
        "type": "input",
        "description": "Data input for latch 5, passed to 5Q when LE is high and latched on the falling edge of LE."
      },
      {
        "number": "7",
        "name": "6D",
        "type": "input",
        "description": "Data input for latch 6, passed to 6Q when LE is high and latched on the falling edge of LE."
      },
      {
        "number": "8",
        "name": "7D",
        "type": "input",
        "description": "Data input for latch 7, passed to 7Q when LE is high and latched on the falling edge of LE."
      },
      {
        "number": "9",
        "name": "8D",
        "type": "input",
        "description": "Data input for latch 8, passed to 8Q when LE is high and latched on the falling edge of LE."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "11",
        "name": "LE",
        "type": "input",
        "description": "Latch-enable input; latches are transparent when high and hold data when LE goes low."
      },
      {
        "number": "12",
        "name": "8Q",
        "type": "tri_state",
        "description": "3-state output of latch 8 with high drive (-32 mA IOH, 64 mA IOL), high-impedance when OE is high."
      },
      {
        "number": "13",
        "name": "7Q",
        "type": "tri_state",
        "description": "3-state output of latch 7 with high drive (-32 mA IOH, 64 mA IOL), high-impedance when OE is high."
      },
      {
        "number": "14",
        "name": "6Q",
        "type": "tri_state",
        "description": "3-state output of latch 6 with high drive (-32 mA IOH, 64 mA IOL), high-impedance when OE is high."
      },
      {
        "number": "15",
        "name": "5Q",
        "type": "tri_state",
        "description": "3-state output of latch 5 with high drive (-32 mA IOH, 64 mA IOL), high-impedance when OE is high."
      },
      {
        "number": "16",
        "name": "4Q",
        "type": "tri_state",
        "description": "3-state output of latch 4 with high drive (-32 mA IOH, 64 mA IOL), high-impedance when OE is high."
      },
      {
        "number": "17",
        "name": "3Q",
        "type": "tri_state",
        "description": "3-state output of latch 3 with high drive (-32 mA IOH, 64 mA IOL), high-impedance when OE is high."
      },
      {
        "number": "18",
        "name": "2Q",
        "type": "tri_state",
        "description": "3-state output of latch 2 with high drive (-32 mA IOH, 64 mA IOL), high-impedance when OE is high."
      },
      {
        "number": "19",
        "name": "1Q",
        "type": "tri_state",
        "description": "3-state output of latch 1 with high drive (-32 mA IOH, 64 mA IOL), high-impedance when OE is high."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin, recommended 4.5 V to 5.5 V (absolute maximum -0.5 V to 7 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: The TSSOP top-view drawing in the extracted text is garbled, so the PW pin numbers were taken from t; Pin 1 is OE and pin 20 is VCC per the logic symbol and the grid; these are consistent but should be ; Descriptions for data inputs and outputs use the datasheet's VIH/VIL, IOH/IOL and recommended-supply"
        ],
        "pages_sent": 26,
        "cost_usd": 0.0936,
        "at": "2026-10-10T19:50:07"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74abt573a.pdf",
        "pages": 26,
        "sha256": "498f2e95abd15739",
        "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": "sn74abt573apwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-10",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74abt573apwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "1a8f6fdd6ed9d9a398324b0b4d769a0c317ec3694610925a3d6c0b32250157c7",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}