SL555S

{
  "slug": "sl555s",
  "version": "0.1.0",
  "type": "component",
  "description": "Slkor SLKORMICRO Elec Timers / Counters, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "sl555s",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sl555s.kicad_sym",
    "sl555s.kicad_mod",
    "sl555s.glb",
    "sl555s.step",
    "sl555s.lbr",
    "docs/hero.png",
    "docs/sl555s-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sl555s-hero.glb",
    "sl555s-hero.overlay.json",
    "sl555s-etched.glb"
  ],
  "component": {
    "mpn": "SL555S",
    "manufacturer": "Slkor SLKORMICRO Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Timers / Counters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603125082101870592",
    "parts": {
      "symbol": "sl555s.kicad_sym",
      "footprint": "sl555s.kicad_mod",
      "model_3d": "sl555s-hero.glb",
      "model_3d_plain": "sl555s-etched.glb",
      "model_3d_step": "sl555s-etched.step",
      "model_3d_step_plain": "sl555s.step",
      "lbr": "sl555s.lbr"
    },
    "distributor_links": {
      "lcsc": "C5122571"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T12:15:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Power ground (electrical ground reference) for the timer."
      },
      {
        "number": "2",
        "name": "Trig",
        "type": "input",
        "description": "Trigger input that starts the monostable output cycle when its level reaches 1/3 VCC, with a maximum input voltage of VCC."
      },
      {
        "number": "3",
        "name": "Output",
        "type": "output",
        "description": "Timer output with a recommended output current of ±200 mA and an absolute maximum of ±220 mA."
      },
      {
        "number": "4",
        "name": "Reset",
        "type": "input",
        "description": "Reset input with a maximum input voltage of VCC; its high and low threshold levels are specified in the electrical characteristics."
      },
      {
        "number": "5",
        "name": "Cont",
        "type": "input",
        "description": "Control voltage pin with a maximum input voltage of VCC, used to modulate the pulse width or pulse position when driven externally."
      },
      {
        "number": "6",
        "name": "Thres",
        "type": "input",
        "description": "Threshold input with a maximum input voltage of VCC; its threshold voltage and current are specified in the electrical characteristics."
      },
      {
        "number": "7",
        "name": "Disch",
        "type": "passive",
        "description": "Discharge pin connected to the internal discharge transistor, whose off-state leakage is specified with the output high and whose saturation voltage Vdis(sat) is specified in the electrical characteristics."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply with a recommended range of 4.5 V to 15 V and an absolute maximum of 18 V."
      }
    ],
    "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: The datasheet does not state the discharge pin's electrical type; I classified it as passive based o; The datasheet gives a single pin table shared by DIP8 and SOP8 and does not include a separate SOP8 ; The reset and threshold electrical limits are in a garbled multi-column table; only the maximum inpu"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0332,
        "at": "2026-10-18T12:13:17"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603125082101870592",
        "pages": 6,
        "sha256": "143cdd2c4c0f4ab8",
        "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": "sl555s.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sl555s-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ec87b8433b0ab9685b2676797fd887a79fec661964a097d38d5f0df01c4dd280",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}