main
Ray Set visibility: public c27ac56 1d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74abt651dwr",
  "title": "SN74ABT651DWR",
  "brief": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-24-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "sn74abt651dwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN74ABT651DWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-24-300mil",
    "pin_count": 24,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74abt651",
    "parts": {
      "symbol": "sn74abt651dwr.kicad_sym",
      "footprint": "sn74abt651dwr.kicad_mod",
      "model_3d": "sn74abt651dwr-hero.glb",
      "model_3d_plain": "sn74abt651dwr.glb",
      "model_3d_step": "sn74abt651dwr-etched.step",
      "model_3d_step_plain": "sn74abt651dwr.step",
      "lbr": "sn74abt651dwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675995",
      "digikey": "296-29237-2-ND",
      "mouser": "595-SN74ABT651DWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:07:38Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-29237-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74ABT651DWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CLKAB",
        "type": "input",
        "description": "Clock input for the A-to-B storage flip-flops; data is stored on low-to-high transitions regardless of the select or enable controls, with a minimum CLK pulse duration of 4 ns."
      },
      {
        "number": "2",
        "name": "SAB",
        "type": "input",
        "description": "Select control for the A-to-B path: a low level selects real-time data and a high level selects stored data."
      },
      {
        "number": "3",
        "name": "OEAB",
        "type": "input",
        "description": "Output enable for the A-to-B data path; to keep outputs high-impedance during power up or power down, tie OEAB to GND through a pulldown resistor sized by the driver's current-sourcing capability."
      },
      {
        "number": "4",
        "name": "A1",
        "type": "bidirectional",
        "description": "Bus A data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "5",
        "name": "A2",
        "type": "bidirectional",
        "description": "Bus A data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "6",
        "name": "A3",
        "type": "bidirectional",
        "description": "Bus A data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "7",
        "name": "A4",
        "type": "bidirectional",
        "description": "Bus A data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "8",
        "name": "A5",
        "type": "bidirectional",
        "description": "Bus A data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "9",
        "name": "A6",
        "type": "bidirectional",
        "description": "Bus A data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "10",
        "name": "A7",
        "type": "bidirectional",
        "description": "Bus A data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "11",
        "name": "A8",
        "type": "bidirectional",
        "description": "Bus A data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all unused control and I/O pins must be held at VCC or GND for proper device operation."
      },
      {
        "number": "13",
        "name": "B8",
        "type": "bidirectional",
        "description": "Bus B data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "14",
        "name": "B7",
        "type": "bidirectional",
        "description": "Bus B data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "15",
        "name": "B6",
        "type": "bidirectional",
        "description": "Bus B data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "16",
        "name": "B5",
        "type": "bidirectional",
        "description": "Bus B data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "17",
        "name": "B4",
        "type": "bidirectional",
        "description": "Bus B data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "18",
        "name": "B3",
        "type": "bidirectional",
        "description": "Bus B data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "19",
        "name": "B2",
        "type": "bidirectional",
        "description": "Bus B data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "20",
        "name": "B1",
        "type": "bidirectional",
        "description": "Bus B data input/output, 3-state; the high-drive outputs are rated at -32 mA IOH and 64 mA IOL."
      },
      {
        "number": "21",
        "name": "OEBA",
        "type": "input",
        "description": "Output enable for the B-to-A data path; to keep outputs high-impedance during power up or power down, tie OEBA to VCC through a pullup resistor sized by the driver's current-sinking capability."
      },
      {
        "number": "22",
        "name": "SBA",
        "type": "input",
        "description": "Select control for the B-to-A path: a low level selects real-time data and a high level selects stored data."
      },
      {
        "number": "23",
        "name": "CLKBA",
        "type": "input",
        "description": "Clock input for the B-to-A storage flip-flops; data is stored on low-to-high transitions regardless of the select or enable controls, with a minimum CLK pulse duration of 4 ns."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended 4.5 V to 5.5 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 extracted text lists the right-hand column names in a scrambled order. Pin assignments here were; Control-pin descriptions were written from the Description and Function Table text on page 1 and pag"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0822,
        "at": "2026-10-08T16:07:18"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74abt651",
        "pages": 14,
        "sha256": "4f2592736ebf6087",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn74abt651dwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          15.4,
          2.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4b0d20f82f5b0124fecfe11c941274a3c865a30f7baee8b8fadd7df55972d4cd",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74abt651dwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "5c3d5dda173d0ab1daf0ff554259dabdd58eb5d2088c46088409a44081ec8c43",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-24-300mil",
      "Category": "Logic",
      "Pins": "24"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "sn74abt651dwr"
  ],
  "discovery_pitch": "SN74ABT651DWR (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "sn74abt651dwr.kicad_sym",
    "sn74abt651dwr.kicad_mod",
    "sn74abt651dwr.glb",
    "sn74abt651dwr.step",
    "sn74abt651dwr.lbr",
    "docs/hero.png",
    "docs/sn74abt651dwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74abt651dwr-hero.glb",
    "sn74abt651dwr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}