CD74HC240M96

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd74hc240m96",
  "title": "CD74HC240M96",
  "brief": "Texas Instruments Buffers, Drivers, Receivers, Transceivers, SOIC-20-300mil. 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",
    "cd74hc240m96",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CD74HC240M96",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd74hct244",
    "parts": {
      "symbol": "cd74hc240m96.kicad_sym",
      "footprint": "cd74hc240m96.kicad_mod",
      "model_3d": "cd74hc240m96-etched.glb",
      "model_3d_plain": "cd74hc240m96.glb",
      "model_3d_step": "cd74hc240m96-etched.step",
      "model_3d_step_plain": "cd74hc240m96.step",
      "lbr": "cd74hc240m96.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675583",
      "digikey": "296-31576-2-ND",
      "mouser": "595-CD74HC240M96"
    },
    "distributor_check": {
      "checked_at": "2026-09-27T06:07:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-31576-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CD74HC240M96",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Active-low output enable for bank 1; when LOW, outputs 1Y0-1Y3 are enabled (inverting); when HIGH, all bank-1 outputs are high-impedance."
      },
      {
        "number": "2",
        "name": "1A0",
        "type": "input",
        "description": "Data input A0, bank 1; drives inverting tri-state output 1Y0 when 1OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V."
      },
      {
        "number": "3",
        "name": "2Y3",
        "type": "tri_state",
        "description": "Inverting tri-state output Y3, bank 2; enabled when 2OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V."
      },
      {
        "number": "4",
        "name": "1A1",
        "type": "input",
        "description": "Data input A1, bank 1; drives inverting tri-state output 1Y1 when 1OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V."
      },
      {
        "number": "5",
        "name": "2Y2",
        "type": "tri_state",
        "description": "Inverting tri-state output Y2, bank 2; enabled when 2OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V."
      },
      {
        "number": "6",
        "name": "1A2",
        "type": "input",
        "description": "Data input A2, bank 1; drives inverting tri-state output 1Y2 when 1OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V."
      },
      {
        "number": "7",
        "name": "2Y1",
        "type": "tri_state",
        "description": "Inverting tri-state output Y1, bank 2; enabled when 2OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V."
      },
      {
        "number": "8",
        "name": "1A3",
        "type": "input",
        "description": "Data input A3, bank 1; drives inverting tri-state output 1Y3 when 1OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V."
      },
      {
        "number": "9",
        "name": "2Y0",
        "type": "tri_state",
        "description": "Inverting tri-state output Y0, bank 2; enabled when 2OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; continuous current through GND pin must not exceed ±70 mA absolute maximum."
      },
      {
        "number": "11",
        "name": "2A0",
        "type": "input",
        "description": "Data input A0, bank 2; drives inverting tri-state output 2Y0 when 2OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V."
      },
      {
        "number": "12",
        "name": "1Y3",
        "type": "tri_state",
        "description": "Inverting tri-state output Y3, bank 1; enabled when 1OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V."
      },
      {
        "number": "13",
        "name": "2A1",
        "type": "input",
        "description": "Data input A1, bank 2; drives inverting tri-state output 2Y1 when 2OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V."
      },
      {
        "number": "14",
        "name": "1Y2",
        "type": "tri_state",
        "description": "Inverting tri-state output Y2, bank 1; enabled when 1OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V."
      },
      {
        "number": "15",
        "name": "2A2",
        "type": "input",
        "description": "Data input A2, bank 2; drives inverting tri-state output 2Y2 when 2OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V."
      },
      {
        "number": "16",
        "name": "1Y1",
        "type": "tri_state",
        "description": "Inverting tri-state output Y1, bank 1; enabled when 1OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V."
      },
      {
        "number": "17",
        "name": "2A3",
        "type": "input",
        "description": "Data input A3, bank 2; drives inverting tri-state output 2Y3 when 2OE is asserted LOW; VIH min 3.15 V at VCC = 4.5 V."
      },
      {
        "number": "18",
        "name": "1Y0",
        "type": "tri_state",
        "description": "Inverting tri-state output Y0, bank 1; enabled when 1OE is LOW; IOH = −6 mA min, VOH = 3.98 V min at VCC = 4.5 V."
      },
      {
        "number": "19",
        "name": "2OE",
        "type": "input",
        "description": "Active-low output enable for bank 2; when LOW, outputs 2Y0-2Y3 are enabled (inverting); when HIGH, all bank-2 outputs are high-impedance."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; HC types 2 V to 6 V, HCT types 4.5 V to 5.5 V; decouple with 0.1 μF ceramic capacitor as close to pin as possible."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-sonnet-4-6",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-4-7",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 32,
        "cost_usd": 0.8939,
        "at": "2026-09-27T06:07:31"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd74hct244",
        "pages": 32,
        "sha256": "cf7e141111c1576a",
        "source_tier": "lcsc"
      },
      "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": "cd74hc240m96.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "59a10b341e6972b31d81802a048060326da627d8b92dcf4263064f4f62ec808e",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd74hc240m96-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.3,
          12.8,
          2.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "30d32669a7f1ab263cba12e831bc8759c8c228e5fc656cc3fce60bc2841d8cdb",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-20-300mil",
      "Category": "Logic",
      "Pins": "20"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd74hc240m96"
  ],
  "discovery_pitch": "CD74HC240M96 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd74hc240m96.kicad_sym",
    "cd74hc240m96.kicad_mod",
    "cd74hc240m96.glb",
    "cd74hc240m96.step",
    "cd74hc240m96.lbr",
    "docs/hero.png",
    "docs/cd74hc240m96-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  }
}