GT7555CDTR

{
  "schema_version": 1,
  "type": "component",
  "slug": "gt7555cdtr",
  "title": "GT7555CDTR",
  "brief": "XBLW Timers / Counters, SOP-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",
    "clock-timing",
    "gt7555cdtr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GT7555CDTR",
    "manufacturer": "XBLW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Timers / Counters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602767410542239744",
    "parts": {
      "symbol": "gt7555cdtr.kicad_sym",
      "footprint": "gt7555cdtr.kicad_mod",
      "model_3d": "gt7555cdtr-hero.glb",
      "model_3d_plain": "gt7555cdtr-etched.glb",
      "model_3d_step": "gt7555cdtr-etched.step",
      "model_3d_step_plain": "gt7555cdtr.step",
      "lbr": "gt7555cdtr.lbr"
    },
    "distributor_links": {
      "lcsc": "C19708137"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T05:29:53Z",
      "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; also the source of the internal discharge N-channel transistor and the bottom of the resistor divider."
      },
      {
        "number": "2",
        "name": "TRIGGER",
        "type": "input",
        "description": "Active-low trigger input to comparator B; output goes HIGH when voltage is below 1/3 VDD."
      },
      {
        "number": "3",
        "name": "OUTPUT",
        "type": "output",
        "description": "Timer output driver, fully compatible with CMOS, TTL and MOS under 5V."
      },
      {
        "number": "4",
        "name": "RESET",
        "type": "input",
        "description": "Active-low flip-flop reset; LOW forces OUTPUT low and turns the discharge switch ON."
      },
      {
        "number": "5",
        "name": "CONTROL VOLTAGE",
        "type": "input",
        "description": "Control voltage input at the internal divider node (2/3 VDD threshold reference) for adjusting comparator thresholds."
      },
      {
        "number": "6",
        "name": "THRESHOLD",
        "type": "input",
        "description": "Threshold input to comparator A; output goes LOW when voltage is above 2/3 VDD with trigger above 1/3 VDD."
      },
      {
        "number": "7",
        "name": "DISCHARGE",
        "type": "passive",
        "description": "Open drain of the internal N-channel discharge switch, used to discharge the external timing capacitor; ON when output is LOW."
      },
      {
        "number": "8",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply voltage; absolute maximum 18 V, lowest operating voltage 4.5 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin 7 DISCHARGE is the drain of an internal N-channel transistor per the block diagram; typed passiv",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 9,
        "cost_usd": 0.2487,
        "at": "2026-10-19T05:25:40"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8602767410542239744",
        "pages": 9,
        "sha256": "515c5f729f06da83",
        "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": "gt7555cdtr.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gt7555cdtr-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": "93adb867d0165a807c0e56897ed2fd3aa5c6083dd4de4d287c2cda3e9f431574",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "XBLW",
      "Package": "SOP-8",
      "Category": "Clock/Timing",
      "Pins": "8"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "gt7555cdtr"
  ],
  "discovery_pitch": "GT7555CDTR (XBLW) 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",
    "gt7555cdtr.kicad_sym",
    "gt7555cdtr.kicad_mod",
    "gt7555cdtr.glb",
    "gt7555cdtr.step",
    "gt7555cdtr.lbr",
    "docs/hero.png",
    "docs/gt7555cdtr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "gt7555cdtr-hero.glb",
    "gt7555cdtr-hero.overlay.json",
    "gt7555cdtr-etched.glb"
  ],
  "visibility": {
    "public": true
  }
}