LM293DR

{
  "schema_version": 1,
  "type": "component",
  "slug": "lm293dr",
  "title": "LM293DR",
  "brief": "Texas Instruments Comparators, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "op-amp-cmp",
    "lm293dr"
  ],
  "component": {
    "mpn": "LM293DR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Op-amp/Cmp",
    "subcategory": "Comparators",
    "datasheet": "https://www.ti.com/lit/ds/symlink/lm293.pdf",
    "parts": {
      "symbol": "lm293dr.kicad_sym",
      "footprint": "lm293dr.kicad_mod",
      "model_3d": "lm293dr-etched.glb",
      "model_3d_plain": "lm293dr.glb",
      "model_3d_step": "lm293dr-etched.step",
      "model_3d_step_plain": "lm293dr.step",
      "lbr": "lm293dr.lbr"
    },
    "distributor_links": {
      "digikey": "296-LM293DRTR-ND",
      "lcsc": "C7936"
    },
    "pins": [
      {
        "number": "1",
        "name": "1OUT",
        "type": "output",
        "description": "Open-collector output of comparator 1. Requires an external pull-up resistor to VCC (typical 5.1 kΩ). Sinks up to 6 mA (min) / 21 mA (typ) with VOL ≤ 1.5 V; low-level output voltage ≤ 400 mV at ISINK = 4 mA."
      },
      {
        "number": "2",
        "name": "1IN-",
        "type": "input",
        "description": "Inverting (negative) input of comparator 1. Common-mode input range extends from V- (ground) to (V+) - 1.5 V. Differential input voltage up to ±36 V; input bias current typically -25 nA."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of comparator 1. Common-mode input range includes ground. Input bias current typically -25 nA; must not go more than 0.3 V below V-."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / negative supply (V-). For single-supply operation, connect to system ground."
      },
      {
        "number": "5",
        "name": "2IN+",
        "type": "input",
        "description": "Non-inverting (positive) input of comparator 2. Common-mode input range includes ground; input bias current typically -25 nA."
      },
      {
        "number": "6",
        "name": "2IN-",
        "type": "input",
        "description": "Inverting (negative) input of comparator 2. Common-mode input range V- to (V+) - 1.5 V; differential input voltage up to ±36 V."
      },
      {
        "number": "7",
        "name": "2OUT",
        "type": "output",
        "description": "Open-collector output of comparator 2. Requires an external pull-up resistor to VCC. Sinks up to 6 mA (min) with VOL ≤ 1.5 V; compatible with TTL, MOS, and CMOS logic."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply (V+). Operating range 2 V to 30 V (LM293); absolute maximum 36 V. Quiescent current typically 0.45 mA at VCC = 5 V. Bypass with a 0.1 µF ceramic capacitor to GND close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/lm293.pdf",
        "pages": 56,
        "sha256": "24c6b3c03dd65dfd",
        "source_tier": "mfr"
      },
      "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "lm293dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lm293dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "35e8dcccb30a761c625576fb183c12866a4c36809847811de9aa4ba75f773ecb",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-8",
      "Category": "Op-amp/Cmp",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "lm293dr"
  ],
  "discovery_pitch": "LM293DR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lm293dr.kicad_sym",
    "lm293dr.kicad_mod",
    "lm293dr.glb",
    "lm293dr.step",
    "lm293dr-etched.step",
    "lm293dr.lbr",
    "docs/hero.png",
    "docs/lm293dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "variants": [
    {
      "mpn": "LM293DR",
      "kind": "packaging"
    },
    {
      "mpn": "LM293DRD",
      "kind": "packaging"
    },
    {
      "mpn": "LM293DRDGK",
      "kind": "packaging"
    },
    {
      "mpn": "LM293DRP",
      "kind": "packaging"
    },
    {
      "mpn": "LM293DRPW",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-28T16:30:59.948Z"
}