LM339AM

{
  "slug": "lm339am",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Comparators, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "amplifiers-comparators",
    "lm339am",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm339am.kicad_sym",
    "lm339am.kicad_mod",
    "lm339am.glb",
    "lm339am.step",
    "lm339am.lbr",
    "docs/hero.png",
    "docs/lm339am-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lm339am-hero.glb",
    "lm339am-hero.overlay.json"
  ],
  "component": {
    "mpn": "LM339AM",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://www.ti.com/cn/lit/ds/symlink/lm139-n.pdf",
    "parts": {
      "symbol": "lm339am.kicad_sym",
      "footprint": "lm339am.kicad_mod",
      "model_3d": "lm339am-hero.glb",
      "model_3d_plain": "lm339am.glb",
      "model_3d_step": "lm339am-etched.step",
      "model_3d_step_plain": "lm339am.step",
      "lbr": "lm339am.lbr"
    },
    "distributor_links": {
      "lcsc": "C354088",
      "digikey": "2832-LM339AM-ND",
      "mouser": "512-LM339AM"
    },
    "distributor_check": {
      "checked_at": "2026-10-05T21:28:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2832-LM339AM-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "512-LM339AM",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OUTPUT2",
        "type": "output",
        "description": "Comparator output for channel 2, compatible with TTL/CMOS logic."
      },
      {
        "number": "2",
        "name": "OUTPUT1",
        "type": "output",
        "description": "Comparator output for channel 1, compatible with TTL/CMOS logic."
      },
      {
        "number": "3",
        "name": "V+",
        "type": "power_in",
        "description": "Positive power supply voltage, 2 to 36 VDC for LM339."
      },
      {
        "number": "4",
        "name": "INPUT1-",
        "type": "input",
        "description": "Inverting (negative) input terminal for channel 1 comparator."
      },
      {
        "number": "5",
        "name": "INPUT1+",
        "type": "input",
        "description": "Noninverting (positive) input terminal for channel 1 comparator, common-mode voltage range includes ground."
      },
      {
        "number": "6",
        "name": "INPUT2-",
        "type": "input",
        "description": "Inverting (negative) input terminal for channel 2 comparator."
      },
      {
        "number": "7",
        "name": "INPUT2+",
        "type": "input",
        "description": "Noninverting (positive) input terminal for channel 2 comparator, common-mode voltage range includes ground."
      },
      {
        "number": "8",
        "name": "INPUT3-",
        "type": "input",
        "description": "Inverting (negative) input terminal for channel 3 comparator."
      },
      {
        "number": "9",
        "name": "INPUT3+",
        "type": "input",
        "description": "Noninverting (positive) input terminal for channel 3 comparator, common-mode voltage range includes ground."
      },
      {
        "number": "10",
        "name": "INPUT4-",
        "type": "input",
        "description": "Inverting (negative) input terminal for channel 4 comparator."
      },
      {
        "number": "11",
        "name": "INPUT4+",
        "type": "input",
        "description": "Noninverting (positive) input terminal for channel 4 comparator, common-mode voltage range includes ground."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground connection, negative power supply or reference."
      },
      {
        "number": "13",
        "name": "OUTPUT4",
        "type": "output",
        "description": "Comparator output for channel 4, compatible with TTL/CMOS logic."
      },
      {
        "number": "14",
        "name": "OUTPUT3",
        "type": "output",
        "description": "Comparator output for channel 3, compatible with TTL/CMOS logic."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "1/14 pin names appear NOWHERE in the datasheet text: ['1:OUTPUT2@p3']"
        ],
        "pages_sent": 8,
        "cost_usd": 0.08,
        "at": "2026-10-05T21:28:42"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/ds/symlink/lm139-n.pdf",
        "pages": 33,
        "sha256": "34bad127017f9658",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    }
  }
}