BY25Q128ASSIG

{
  "schema_version": 1,
  "type": "component",
  "slug": "by25q128assig",
  "title": "BY25Q128ASSIG",
  "brief": "BOYAMICRO NOR FLASH, SOP-8-208mil. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "memory",
    "by25q128assig"
  ],
  "component": {
    "mpn": "BY25Q128ASSIG",
    "manufacturer": "BOYAMICRO",
    "package": "SOP-8-208mil",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "NOR FLASH",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/cc9cf251f65054160d01943a6e84d776.pdf",
    "parts": {
      "symbol": "by25q128assig.kicad_sym",
      "footprint": "by25q128assig.kicad_mod",
      "model_3d": "by25q128assig-etched.glb",
      "model_3d_plain": "by25q128assig.glb",
      "model_3d_step": "by25q128assig-etched.step",
      "model_3d_step_plain": "by25q128assig.step",
      "lbr": "by25q128assig.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "/CS",
        "type": "input",
        "description": "Chip Select, active-low. Drive low to enable the device and start an SPI transaction; drive high to place the device in Standby and put all outputs into high impedance."
      },
      {
        "number": "2",
        "name": "SO/IO1",
        "type": "bidirectional",
        "description": "Serial Data Output for Standard SPI (data shifted out on falling edge of SCLK). Becomes bidirectional IO1 during Dual/Quad Instructions."
      },
      {
        "number": "3",
        "name": "/WP/IO2",
        "type": "bidirectional",
        "description": "Write Protect, active-low, prevents status register writes and hardware-protects memory when SRP1/SRP0 configured accordingly. Has internal pull-up; may be left unconnected if not used. Becomes IO2 in Quad SPI mode."
      },
      {
        "number": "4",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground reference for the VCC supply."
      },
      {
        "number": "5",
        "name": "SI/IO0",
        "type": "bidirectional",
        "description": "Serial Data Input for Standard SPI; receives instructions, addresses, and program data latched on the rising edge of SCLK. Becomes bidirectional IO0 during Dual/Quad Instructions."
      },
      {
        "number": "6",
        "name": "SCLK",
        "type": "input",
        "description": "Serial Clock input providing the synchronization reference for the SPI interface. Instructions, addresses, and input data are latched on the rising edge; output data changes on the falling edge."
      },
      {
        "number": "7",
        "name": "/HOLD/IO3",
        "type": "bidirectional",
        "description": "Hold, active-low, pauses serial communication with the device without terminating an in-progress write/program/erase. Has internal pull-up; may be left unconnected if not used. Becomes IO3 in Quad-I/O mode."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Core and I/O power supply. Single 2.7 V to 3.6 V supply used for all read, program, and erase operations. Must remain within VCC(min)-VCC(max) during all operations."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/cc9cf251f65054160d01943a6e84d776.pdf",
        "pages": 77,
        "sha256": "65bba7895d2ef403",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -1.905
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-8_3.9x4.9mm_P1.27mm@sha256:074ecb2092b24fa4",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "by25q128assig.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "by25q128assig-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "13221ceee22368edfd20fc651b769219b60fde2d0b8bb64fe6fdca6c9486a3a0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "BOYAMICRO",
      "Package": "SOP-8-208mil",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "by25q128assig"
  ],
  "discovery_pitch": "BY25Q128ASSIG (BOYAMICRO) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "by25q128assig.kicad_sym",
    "by25q128assig.kicad_mod",
    "by25q128assig.glb",
    "by25q128assig.step",
    "by25q128assig-etched.step",
    "by25q128assig.lbr",
    "docs/hero.png",
    "docs/by25q128assig-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T18:17:04.065Z"
}