SA555MM

{
  "slug": "sa555mm",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Timers, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock and timing",
    "sa555mm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sa555mm.kicad_sym",
    "sa555mm.kicad_mod",
    "sa555mm.glb",
    "sa555mm.step",
    "sa555mm.lbr",
    "docs/hero.png",
    "docs/sa555mm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sa555mm-hero.glb",
    "sa555mm-hero.overlay.json",
    "sa555mm-etched.glb"
  ],
  "component": {
    "mpn": "SA555MM",
    "manufacturer": "HGSEMI",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Clock And Timing",
    "subcategory": "Timers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/151227c238daeaa10ef9151ad245b79a.pdf",
    "parts": {
      "symbol": "sa555mm.kicad_sym",
      "footprint": "sa555mm.kicad_mod",
      "model_3d": "sa555mm-hero.glb",
      "model_3d_plain": "sa555mm-etched.glb",
      "model_3d_step": "sa555mm-etched.step",
      "model_3d_step_plain": "sa555mm.step",
      "lbr": "sa555mm.lbr"
    },
    "distributor_links": {
      "lcsc": "C5160089"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T19:52:08Z",
      "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 (触发); 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; VOL is 0.1 V typ at VCC=15V, ISINK=10mA and VOH is 13.3 V typ at VCC=15V, IS=100mA."
      },
      {
        "number": "4",
        "name": "R",
        "type": "input",
        "description": "Reset input; reset voltage is 0.5 V typ (0.4 V min, 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 (阈值控制); threshold voltage is 0.667*VCC."
      },
      {
        "number": "7",
        "name": "DIS",
        "type": "passive",
        "description": "Discharge pin; leakage current is 20 nA typ (100 nA max) when output is high."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 4.5 V to 16 V operating, 18 V absolute maximum."
      }
    ],
    "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": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin table lists pin 2 as 'RTIG 触发' (trigger), pin 5 as 'CONTRIG 触发控制' (trigger control) and pin 6 as; The MPN SA555MM is sold as SA555MM/TR in MSOP-8 per the ordering table. The pin table is shared for "
        ],
        "pages_sent": 12,
        "cost_usd": 0.0622,
        "at": "2026-10-22T19:51:29"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/151227c238daeaa10ef9151ad245b79a.pdf",
        "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": "sa555mm.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sa555mm-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": "70fe33171eb534042b19b6149bf4be4ac1e46d2fb739c942dbdf5e3eed5e08b4",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}