BY25Q128ESSIG

{
  "slug": "by25q128essig",
  "version": "0.1.0",
  "type": "component",
  "description": "BOYAMICRO NOR FLASH, SOP-8-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "by25q128essig",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "by25q128essig.kicad_sym",
    "by25q128essig.kicad_mod",
    "by25q128essig.glb",
    "by25q128essig.step",
    "by25q128essig.lbr",
    "docs/hero.png",
    "docs/by25q128essig-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "by25q128essig-hero.glb",
    "by25q128essig-hero.overlay.json",
    "by25q128essig-etched.glb"
  ],
  "component": {
    "mpn": "BY25Q128ESSIG",
    "manufacturer": "BOYAMICRO",
    "package": "SOP-8-208mil",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "NOR FLASH",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603382796308672512",
    "parts": {
      "symbol": "by25q128essig.kicad_sym",
      "footprint": "by25q128essig.kicad_mod",
      "model_3d": "by25q128essig-hero.glb",
      "model_3d_plain": "by25q128essig-etched.glb",
      "model_3d_step": "by25q128essig-etched.step",
      "model_3d_step_plain": "by25q128essig.step",
      "lbr": "by25q128essig.lbr"
    },
    "distributor_links": {
      "lcsc": "C22471255"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T15:35:43Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "/CS",
        "type": "input",
        "description": "Chip select: driving it high deselects the device and makes the outputs high impedance, and a falling edge on /CS is required before any instruction after power-up (page 6, section 2.2)."
      },
      {
        "number": "2",
        "name": "SO (IO1)",
        "type": "bidirectional",
        "description": "Serial data output for single-bit instructions, shifted out on the falling edge of SCLK, and IO1 for Dual or Quad instructions (page 7, section 2.5)."
      },
      {
        "number": "3",
        "name": "/WP (IO2)",
        "type": "bidirectional",
        "description": "Write protect, which with SRP1/SRP0 set to 0/1 and /WP low prevents writes to the Status Register; it has an internal pull-up, is replaced by IO2 in Quad mode, and is unavailable when QE=1 (page 7, section 2.6)."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the device (page 6, Table 1 Signal Names)."
      },
      {
        "number": "5",
        "name": "SI (IO0)",
        "type": "bidirectional",
        "description": "Serial data input latched on the rising edge of SCLK for instructions, addresses and program data, and IO0 for Dual or Quad instructions (page 7, section 2.4)."
      },
      {
        "number": "6",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock that provides the synchronization reference for the SPI interface, with inputs latched on the rising edge and data output changing after the falling edge (page 6, section 2.3)."
      },
      {
        "number": "7",
        "name": "/HOLD (IO3)",
        "type": "bidirectional",
        "description": "Hold pin that pauses serial transfer when low with SCLK low, is only available when QE=0 (otherwise it is IO3), and has an internal pull-up (page 7, section 2.7)."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Single core and I/O power supply, operating from 2.7 V to 3.6 V and held stable within the valid range during all operations (page 7, section 2.8 and page 4 description)."
      }
    ],
    "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 numbers were mapped from the Figure 2 SOP8 208mil text extraction (top view: pins 1-4 down the l; The VSS description relies only on the Table 1 entry 'Ground'; the section 2.9 VSS Ground text (page"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0754,
        "at": "2026-10-18T15:33:33"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603382796308672512",
        "pages": 78,
        "sha256": "3271bb5b94d23f85",
        "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": "by25q128essig.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": "by25q128essig-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": "a218e6e7bc91e7656e20d41f5e3811e95eddc2678e3d49d36c66c6e609db8ba0",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}