SN74HC652DWR

{
  "slug": "sn74hc652dwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74hc652dwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74hc652dwr.kicad_sym",
    "sn74hc652dwr.kicad_mod",
    "sn74hc652dwr.glb",
    "sn74hc652dwr.step",
    "sn74hc652dwr.lbr",
    "docs/hero.png",
    "docs/sn74hc652dwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74hc652dwr-hero.glb",
    "sn74hc652dwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74HC652DWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-24",
    "pin_count": 24,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74hc652",
    "parts": {
      "symbol": "sn74hc652dwr.kicad_sym",
      "footprint": "sn74hc652dwr.kicad_mod",
      "model_3d": "sn74hc652dwr-hero.glb",
      "model_3d_plain": "sn74hc652dwr.glb",
      "model_3d_step": "sn74hc652dwr-etched.step",
      "model_3d_step_plain": "sn74hc652dwr.step",
      "lbr": "sn74hc652dwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C3587316",
      "digikey": "296-SN74HC652DWRTR-ND",
      "mouser": "595-SN74HC652DWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T13:26:18Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-SN74HC652DWRTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74HC652DWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CLKAB",
        "type": "input",
        "description": "Clock input for the A-bus internal D-type flip-flops; data on the A or B bus is stored on each low-to-high transition of this clock, regardless of the select or output-control terminals."
      },
      {
        "number": "2",
        "name": "SAB",
        "type": "input",
        "description": "A-bus select control: a low level selects real-time data transfer and a high level selects stored data."
      },
      {
        "number": "3",
        "name": "OEAB",
        "type": "input",
        "description": "Output enable for the A-bus outputs; it should be tied to GND through a pulldown resistor to ensure the high-impedance state during power up or power down."
      },
      {
        "number": "4",
        "name": "A1",
        "type": "bidirectional",
        "description": "A-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "5",
        "name": "A2",
        "type": "bidirectional",
        "description": "A-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "6",
        "name": "A3",
        "type": "bidirectional",
        "description": "A-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "7",
        "name": "A4",
        "type": "bidirectional",
        "description": "A-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "8",
        "name": "A5",
        "type": "bidirectional",
        "description": "A-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "9",
        "name": "A6",
        "type": "bidirectional",
        "description": "A-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "10",
        "name": "A7",
        "type": "bidirectional",
        "description": "A-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "11",
        "name": "A8",
        "type": "bidirectional",
        "description": "A-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground; all unused inputs must be held at VCC or GND to ensure proper device operation."
      },
      {
        "number": "13",
        "name": "B8",
        "type": "bidirectional",
        "description": "B-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "14",
        "name": "B7",
        "type": "bidirectional",
        "description": "B-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "15",
        "name": "B6",
        "type": "bidirectional",
        "description": "B-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "16",
        "name": "B5",
        "type": "bidirectional",
        "description": "B-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "17",
        "name": "B4",
        "type": "bidirectional",
        "description": "B-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "18",
        "name": "B3",
        "type": "bidirectional",
        "description": "B-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "19",
        "name": "B2",
        "type": "bidirectional",
        "description": "B-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "20",
        "name": "B1",
        "type": "bidirectional",
        "description": "B-bus data input/output, 3-state output capable of driving up to 15 LSTTL loads."
      },
      {
        "number": "21",
        "name": "OEBA",
        "type": "input",
        "description": "Output enable for the B-bus outputs; it should be tied to VCC through a pullup resistor to ensure the high-impedance state during power up or power down."
      },
      {
        "number": "22",
        "name": "SBA",
        "type": "input",
        "description": "B-bus select control: a low level selects real-time data transfer and a high level selects stored data."
      },
      {
        "number": "23",
        "name": "CLKBA",
        "type": "input",
        "description": "Clock input for the B-bus internal D-type flip-flops; data on the A or B bus is stored on each low-to-high transition of this clock, regardless of the select or output-control terminals."
      },
      {
        "number": "24",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, recommended operating range 2 V to 6 V; absolute maximum 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 top-view pin diagram text in the datasheet is scrambled. The pin-to-name mapping was reconstruct; The datasheet does not explicitly classify A1-A8 and B1-B8 as bidirectional; they are typed bidirect; Only the DW (SOIC-24) package was requested; the same pin numbering applies to the NT, JT and W pack"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0709,
        "at": "2026-10-11T13:25:59"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74hc652",
        "pages": 13,
        "sha256": "843f10182676a305",
        "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"
    },
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        "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": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "4b0d20f82f5b0124fecfe11c941274a3c865a30f7baee8b8fadd7df55972d4cd",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hc652dwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "af4fc17e906ff63709fbef15f4983387a3f5336ad8eb1d5bf194fc97c8fd8341",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}