LMC555DRG

{
  "slug": "lmc555drg",
  "version": "0.1.0",
  "type": "component",
  "description": "HANSCHIP semiconductor Timers / Counters, SOP-8. Pinout reviewed by a person against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "lmc555drg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lmc555drg.kicad_sym",
    "lmc555drg.kicad_mod",
    "lmc555drg.glb",
    "lmc555drg.step",
    "lmc555drg.lbr",
    "docs/hero.png",
    "docs/lmc555drg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "LMC555DRG",
    "manufacturer": "HANSCHIP semiconductor",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Timers / Counters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600485005453897728",
    "parts": {
      "symbol": "lmc555drg.kicad_sym",
      "footprint": "lmc555drg.kicad_mod",
      "model_3d": "lmc555drg-etched.glb",
      "model_3d_plain": "lmc555drg.glb",
      "model_3d_step": "lmc555drg-etched.step",
      "model_3d_step_plain": "lmc555drg.step",
      "lbr": "lmc555drg.lbr"
    },
    "distributor_links": {
      "lcsc": "C19723742"
    },
    "distributor_check": {
      "checked_at": "2026-09-29T17:01:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; all voltages referenced to this pin."
      },
      {
        "number": "2",
        "name": "TRIGGER",
        "type": "input",
        "description": "Active-low trigger input; sets output high when voltage falls below 1/3 VCC (VTRIG typ 0.31-0.36 VCC at VCC=5 V, 25 \u00b0C)."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "output",
        "description": "Timer output; VOL max 0.4 V at IOL=3.2 mA (VCC=5 V, 25 \u00b0C), VOH min 4.0 V at IOH=\u22120.8 mA (VCC=5 V, 25 \u00b0C), IO absolute max 100 mA."
      },
      {
        "number": "4",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset; forces output low and DISCHARGE on when pulled below VRST (0.4-1.0 V at VCC=2 V, 25 \u00b0C); tie high for normal operation."
      },
      {
        "number": "5",
        "name": "CONTROL_VOLTAGE",
        "type": "input",
        "description": "Direct access to internal 2/3 VCC threshold reference; VCV typ 0.65-0.69 VCC at 25 \u00b0C; bypass to GND with 10 nF when unused."
      },
      {
        "number": "6",
        "name": "THRESHOLD",
        "type": "input",
        "description": "Upper comparator input; resets output low when voltage exceeds 2/3 VCC (VTH typ 0.65-0.70 VCC at VCC=5 V, 25 \u00b0C)."
      },
      {
        "number": "7",
        "name": "DISCHARGE",
        "type": "output",
        "description": "Open-drain discharge switch; conducts (ON) when output is low to discharge the external timing capacitor; off when output is high."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage; recommended operating range 2.0 to 18.0 V; ICC max 300 \u00b5A at VCC=18 V, 25 \u00b0C."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8600485005453897728",
        "pages": 9,
        "sha256": "73bdbbb1c0d6259e",
        "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"
    }
  }
}