24C16BN

{
  "slug": "24c16bn",
  "version": "0.2.2",
  "type": "component",
  "description": "XBLW EEPROM, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "24c16bn"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "24c16bn.kicad_sym",
    "24c16bn.kicad_mod",
    "24c16bn.glb",
    "24c16bn.step",
    "24c16bn-etched.step",
    "24c16bn.lbr",
    "docs/hero.png",
    "docs/24c16bn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "24c16bn-etched.glb",
    "24c16bn-hero.glb",
    "24c16bn-hero.overlay.json"
  ],
  "visibility": "public",
  "component": {
    "mpn": "24C16BN",
    "manufacturer": "XBLW",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2310191805_XBLW-24C16BN-XBLW_C18723545.pdf",
    "parts": {
      "symbol": "24c16bn.kicad_sym",
      "footprint": "24c16bn.kicad_mod",
      "model_3d": "24c16bn-hero.glb",
      "model_3d_plain": "24c16bn.glb",
      "model_3d_step": "24c16bn-etched.step",
      "model_3d_step_plain": "24c16bn.step",
      "lbr": "24c16bn.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. 24C16 does not use any device address pins, so on the 8-lead DIP/SOP/MSOP/TSSOP package pins 1-3 are unused and may be left floating or tied to GND."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Unused on the 8-lead SOP variant; leave floating or tie to GND."
      },
      {
        "number": "3",
        "name": "NC",
        "type": "unconnected",
        "description": "No connect. Unused on the 8-lead SOP variant; leave floating or tie to GND."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data input / open-drain output for the two-wire (I2C-compatible) bus. Requires an external pull-up resistor to VCC (typ. 4.7 kOhm). Can be wire-ORed with other open-drain outputs. Schmitt-trigger filtered input."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input for the two-wire (I2C-compatible) bus. Rising edge latches data into the EEPROM; falling edge clocks data out. Requires an external pull-up resistor to VCC. Bus rates up to 1 MHz (VCC >= 2.5 V) or 400 kHz (VCC = 1.8 V)."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write Protect. Tie to VIL (or GND) to allow programming of the EEPROM array; tie to VIH (or VCC) to disable all write/programming operations. Read operations are unaffected. Internally recognized as VIL if left floating, but the datasheet recommends always driving WP to a known state (pull-up/down resistor <=10 kOhm) to avoid capacitive coupling issues."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply, 1.8 V to 5.5 V. Standby current typically 0.02 uA @ 1.8 V and 0.06 uA @ 5.5 V. Decouple with a 0.1 uF ceramic capacitor close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2310191805_XBLW-24C16BN-XBLW_C18723545.pdf",
        "pages": 20,
        "sha256": "cd886c4c7b15f274",
        "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": "24c16bn.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": "24c16bn-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": "4d3b7255314d282139fe2dde1389c836b49363720c7d5475d0ac5d67993a8e18",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "title": "24C16BN",
  "brief": "XBLW EEPROM, SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "metadata": {
    "specs": {
      "Manufacturer": "XBLW",
      "Package": "SOP-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "discovery_triggers": [
    "24c16bn"
  ],
  "discovery_pitch": "24C16BN (XBLW) component page with datasheet-verified CAD."
}