NE555MM

{
  "slug": "ne555mm",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Timers / Counters, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "ne555mm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ne555mm.kicad_sym",
    "ne555mm.kicad_mod",
    "ne555mm.glb",
    "ne555mm.step",
    "ne555mm.lbr",
    "docs/hero.png",
    "docs/ne555mm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ne555mm-hero.glb",
    "ne555mm-hero.overlay.json",
    "ne555mm-etched.glb"
  ],
  "component": {
    "mpn": "NE555MM",
    "manufacturer": "HGSEMI",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Timers / Counters",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757993754831794176",
    "parts": {
      "symbol": "ne555mm.kicad_sym",
      "footprint": "ne555mm.kicad_mod",
      "model_3d": "ne555mm-hero.glb",
      "model_3d_plain": "ne555mm-etched.glb",
      "model_3d_step": "ne555mm-etched.step",
      "model_3d_step_plain": "ne555mm.step",
      "lbr": "ne555mm.lbr"
    },
    "distributor_links": {
      "lcsc": "C5160088"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T17:36:54Z",
      "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": "Ground."
      },
      {
        "number": "2",
        "name": "RTIG",
        "type": "input",
        "description": "Trigger input; trigger voltage is 1.67 V typ at VCC=5V and 5 V typ at VCC=15V."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "Output; high-level voltage 2.75 V min at VCC=5V, IS=100mA, and low-level voltage 0.25 V typ at VCC=5V, ISINK=5mA is not stated as max."
      },
      {
        "number": "4",
        "name": "R",
        "type": "input",
        "description": "Reset input; reset voltage 0.4 V min, 0.5 V typ, 1 V max."
      },
      {
        "number": "5",
        "name": "CONTRIG",
        "type": "passive",
        "description": "Control voltage (trigger control) pin; control voltage is 10 V typ at VCC=15V and 3.33 V typ at VCC=5V."
      },
      {
        "number": "6",
        "name": "CONTH",
        "type": "input",
        "description": "Threshold input (threshold control); threshold voltage is 0.667*VCC."
      },
      {
        "number": "7",
        "name": "DIS",
        "type": "passive",
        "description": "Discharge pin; leakage current 20 nA typ (100 nA max) when output high, saturation voltage 180 mV at VCC=15V, I7=15mA."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin; operating range 4.5 V to 16 V, absolute maximum 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: Pin 5 is printed as 'CONTRIG' with the description '触发控制' (trigger control). The standard 555 pin 5 ; Pin 2 is printed as 'RTIG', which looks like a typo for TRIG. The name used here is TRIG based on th; The DIS pin is an open-collector discharge output, which has no direct KiCad ERC class. 'output' was",
          "1/8 pin names appear NOWHERE in the datasheet text: ['4:RESET@p3']"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0412,
        "at": "2026-10-18T17:31:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757993754831794176",
        "pages": 12,
        "sha256": "aeacc0a1e25195ab",
        "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": "ne555mm.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "847c4c5023fe1603fbd36900a5dcc4bd3901ba473f71d42c9a469f0236eaadf3",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ne555mm-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          4.9,
          3.0,
          0.95
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "8774c9a229f31eda9fd2c0c2c9d291777e6daf0f7b6f2c184d71f5dc35c69281",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}