LM393N

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm393n",
  "title": "LM393N",
  "brief": "Texas Instruments Comparators, PDIP-8. 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",
    "amplifiers-comparators",
    "lm393n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "LM393N",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lm393-n",
    "parts": {
      "symbol": "lm393n.kicad_sym",
      "footprint": "lm393n.kicad_mod",
      "model_3d": "lm393n-hero.glb",
      "model_3d_plain": "lm393n.glb",
      "model_3d_step": "lm393n-etched.step",
      "model_3d_step_plain": "lm393n.step",
      "lbr": "lm393n.lbr"
    },
    "distributor_links": {
      "lcsc": "C2873040",
      "digikey": "LM393NFS-ND",
      "mouser": "512-LM393N"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T18:51:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "LM393NFS-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "512-LM393N",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUTA",
        "type": "output",
        "description": "Output of comparator channel A; the output logic levels are compatible with TTL, DTL, ECL, MOS and CMOS logic systems, with low saturation voltage of 250 mV at 4 mA."
      },
      {
        "number": "2",
        "name": "-INA",
        "type": "input",
        "description": "Inverting input of comparator channel A; the common-mode input range includes ground, and the low input voltage must not go below -0.3 V."
      },
      {
        "number": "3",
        "name": "+INA",
        "type": "input",
        "description": "Noninverting input of comparator channel A; the common-mode input range includes ground, and the low input voltage must not go below -0.3 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V) reference pin for the device."
      },
      {
        "number": "5",
        "name": "+INB",
        "type": "input",
        "description": "Noninverting input of comparator channel B; the common-mode input range includes ground, and the low input voltage must not go below -0.3 V."
      },
      {
        "number": "6",
        "name": "-INB",
        "type": "input",
        "description": "Inverting input of comparator channel B; the common-mode input range includes ground, and the low input voltage must not go below -0.3 V."
      },
      {
        "number": "7",
        "name": "OUTB",
        "type": "output",
        "description": "Output of comparator channel B; the output logic levels are compatible with TTL, DTL, ECL, MOS and CMOS logic systems, with low saturation voltage of 250 mV at 4 mA."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply; 2.0 V to 36 V single supply or ±1.0 V to ±18 V dual supply 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: Pin numbers and names are from the 'P and D Package 8-Pin CDIP, PDIP, SOIC' pin table on page 3 (PDI; Pin descriptions are limited to what the excerpt states. The excerpt does not explicitly state the o; The excerpt is 9 of 33 pages and is partly a Chinese translation. Pin data is from the English pin t"
        ],
        "pages_sent": 9,
        "cost_usd": 0.0562,
        "at": "2026-10-08T18:50:58"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lm393-n",
        "pages": 33,
        "sha256": "6bb0c77bb4550bd7",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lm393n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm393n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "dd7931c79a2730e733eeed5e82fe7b064b29c2aea635e52660f0873303b3c412",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "PDIP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm393n"
  ],
  "discovery_pitch": "LM393N (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": [
    "page.json",
    "README.md",
    "lm393n.kicad_sym",
    "lm393n.kicad_mod",
    "lm393n.glb",
    "lm393n.step",
    "lm393n.lbr",
    "docs/hero.png",
    "docs/lm393n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm393n-hero.glb",
    "lm393n-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}