CBM708AS8

{
  "slug": "cbm708as8",
  "version": "0.1.0",
  "type": "component",
  "description": "Corebai Microelectronics Monitors & Reset Circuits, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "power management ics",
    "cbm708as8",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cbm708as8.kicad_sym",
    "cbm708as8.kicad_mod",
    "cbm708as8.glb",
    "cbm708as8.step",
    "cbm708as8.lbr",
    "docs/hero.png",
    "docs/cbm708as8-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cbm708as8-hero.glb",
    "cbm708as8-hero.overlay.json",
    "cbm708as8-etched.glb"
  ],
  "component": {
    "mpn": "CBM708AS8",
    "manufacturer": "Corebai Microelectronics",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Power Management ICs",
    "subcategory": "Monitors & Reset Circuits",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/99c9cb6adeb4911ca5aaba58f9739059.pdf",
    "parts": {
      "symbol": "cbm708as8.kicad_sym",
      "footprint": "cbm708as8.kicad_mod",
      "model_3d": "cbm708as8-hero.glb",
      "model_3d_plain": "cbm708as8-etched.glb",
      "model_3d_step": "cbm708as8-etched.step",
      "model_3d_step_plain": "cbm708as8.step",
      "lbr": "cbm708as8.lbr"
    },
    "distributor_links": {
      "lcsc": "C476244"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T19:53:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "MR",
        "type": "input",
        "description": "Manual reset input: a reset is generated when this pin is taken below 0.8 V, and an internal 250 µA pull-up holds it high when floating."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "5 V power supply input; place a 0.1 µF decoupling capacitor between VCC and GND."
      },
      {
        "number": "3",
        "name": "GND",
        "type": "power_in",
        "description": "0 V ground reference for all signals."
      },
      {
        "number": "4",
        "name": "PFI",
        "type": "input",
        "description": "Power fail input, the noninverting input to the power fail comparator; when PFI is below 1.25 V, PFO goes low, and if unused it must be connected to GND."
      },
      {
        "number": "5",
        "name": "PFO",
        "type": "output",
        "description": "Power fail output from the power fail comparator; it goes low when PFI is less than 1.25 V."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect; not internally connected on the CBM707/CBM708 SOIC package."
      },
      {
        "number": "7",
        "name": "RESET",
        "type": "output",
        "description": "Active-low logic output that goes low for 200 ms when VCC is below the reset threshold (4.40 V for CBM708) or MR is pulled low, and stays low until 200 ms after VCC rises above the threshold or MR goes high."
      },
      {
        "number": "8",
        "name": "RESET",
        "type": "output",
        "description": "Active-high reset output, the inverse of RESET, for systems that use active-high reset logic."
      }
    ],
    "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 pin function table in the extracted text is column-garbled (CBM705/706/707/708 SOIC and CBM708 M; Pin 6 is NC in the SOIC column for CBM707/CBM708; the table shows pin 6 as the WDI pin only for CBM7; Pin 8 is shown as RESET (active high) and pin 7 as RESET (active low) for CBM708 SOIC, per the table",
          "1/8 pin names appear NOWHERE in the datasheet text: ['5:PFO@p6']"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0563,
        "at": "2026-10-30T19:53:24"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/99c9cb6adeb4911ca5aaba58f9739059.pdf",
        "pages": 18,
        "sha256": "3801fabe2d46d615",
        "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": "cbm708as8.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": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cbm708as8-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": "cbe46a107fa61a3e659c755a34863862f9752441102db3ca13f9fb5dadffd1b3",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOIC-8(SOP8)",
      "source_page": 16,
      "D": {
        "nom_mm": 4.9,
        "range_mm": [
          4.8,
          5.0
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.55,
        "range_mm": [
          1.35,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "cbm708as8.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}