main
Ray Publish 0.1.0 e7e7ff8 4d ago
{
  "slug": "cd74hc4052nsr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Analog Switches / Multiplexers, SO-16-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "cd74hc4052nsr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd74hc4052nsr.kicad_sym",
    "cd74hc4052nsr.kicad_mod",
    "cd74hc4052nsr.glb",
    "cd74hc4052nsr.step",
    "cd74hc4052nsr.lbr",
    "docs/hero.png",
    "docs/cd74hc4052nsr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd74hc4052nsr-hero.glb",
    "cd74hc4052nsr-hero.overlay.json",
    "cd74hc4052nsr-etched.glb"
  ],
  "component": {
    "mpn": "CD74HC4052NSR",
    "manufacturer": "Texas Instruments",
    "package": "SO-16-300mil",
    "pin_count": 16,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Analog Switches / Multiplexers",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd74hc4052nsr.pdf",
    "parts": {
      "symbol": "cd74hc4052nsr.kicad_sym",
      "footprint": "cd74hc4052nsr.kicad_mod",
      "model_3d": "cd74hc4052nsr-hero.glb",
      "model_3d_plain": "cd74hc4052nsr-etched.glb",
      "model_3d_step": "cd74hc4052nsr-etched.step",
      "model_3d_step_plain": "cd74hc4052nsr.step",
      "lbr": "cd74hc4052nsr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2673225",
      "mouser": "595-CD74HC4052NSR"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T18:34:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": "595-CD74HC4052NSR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CH B0",
        "type": "passive",
        "description": "Channel B0 analog in/out of the B switch bank, a bidirectional transmission gate that can pass analog signals from VEE to VCC."
      },
      {
        "number": "2",
        "name": "CH B2",
        "type": "passive",
        "description": "Channel B2 analog in/out of the B switch bank, a bidirectional transmission gate that can pass analog signals from VEE to VCC."
      },
      {
        "number": "3",
        "name": "COM B",
        "type": "passive",
        "description": "B common analog out/in that connects to one of the B channels selected by S0 and S1 when E is low."
      },
      {
        "number": "4",
        "name": "CH B3",
        "type": "passive",
        "description": "Channel B3 analog in/out of the B switch bank, a bidirectional transmission gate that can pass analog signals from VEE to VCC."
      },
      {
        "number": "5",
        "name": "CH B1",
        "type": "passive",
        "description": "Channel B1 analog in/out of the B switch bank, a bidirectional transmission gate that can pass analog signals from VEE to VCC."
      },
      {
        "number": "6",
        "name": "E",
        "type": "input",
        "description": "Enable channels, active low; when high it disables all switches into the off state."
      },
      {
        "number": "7",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative power input, 0 V to -6 V per the recommended operating conditions."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all digital control inputs and for the voltages referenced in the datasheet."
      },
      {
        "number": "9",
        "name": "S1",
        "type": "input",
        "description": "Channel select 1 digital input that selects the B and A channel per Table 2 of the datasheet."
      },
      {
        "number": "10",
        "name": "S0",
        "type": "input",
        "description": "Channel select 0 digital input that selects the B and A channel per Table 2 of the datasheet."
      },
      {
        "number": "11",
        "name": "CH A3",
        "type": "passive",
        "description": "Channel A3 analog in/out of the A switch bank, a bidirectional transmission gate that can pass analog signals from VEE to VCC."
      },
      {
        "number": "12",
        "name": "CH A0",
        "type": "passive",
        "description": "Channel A0 analog in/out of the A switch bank, a bidirectional transmission gate that can pass analog signals from VEE to VCC."
      },
      {
        "number": "13",
        "name": "COM A",
        "type": "passive",
        "description": "A common analog in/out that connects to one of the A channels selected by S0 and S1 when E is low."
      },
      {
        "number": "14",
        "name": "CH A1",
        "type": "passive",
        "description": "Channel A1 analog in/out of the A switch bank, a bidirectional transmission gate that can pass analog signals from VEE to VCC."
      },
      {
        "number": "15",
        "name": "CH A2",
        "type": "passive",
        "description": "Channel A2 analog in/out of the A switch bank, a bidirectional transmission gate that can pass analog signals from VEE to VCC."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power input, 2 V to 6 V for HC types and 4.5 V to 5.5 V for HCT types per the recommended operating conditions."
      }
    ],
    "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 MPN CD74HC4052NSR is the NS (SO/SOP, 16-pin) package per the ordering addendum. The datasheet li"
        ],
        "pages_sent": 13,
        "cost_usd": 0.0516,
        "at": "2026-10-27T18:33:48"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd74hc4052nsr.pdf",
        "pages": 49,
        "sha256": "f46801e69998f7f9",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cd74hc4052nsr.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": "d835041d827e67ad4612b4e7e67f0e8d68227cbbb424f55f518c5005e7df6250",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd74hc4052nsr-etched.step",
        "role": "eda",
        "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": "0917baf3c47da42596ca725b0efa2cff01d3f98cb20db1c25d67796a3314c12d",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}