24C02N

{
  "slug": "24c02n",
  "version": "0.2.2",
  "type": "component",
  "description": "XBLW EEPROM, DIP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "24c02n"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "24c02n.kicad_sym",
    "24c02n.kicad_mod",
    "24c02n.glb",
    "24c02n.step",
    "24c02n-etched.step",
    "24c02n.lbr",
    "docs/hero.png",
    "docs/24c02n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "pads.json",
    "24c02n-etched.glb",
    "24c02n-hero.glb",
    "24c02n-hero.overlay.json"
  ],
  "visibility": "public",
  "component": {
    "mpn": "24C02N",
    "manufacturer": "XBLW",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403141305_XBLW-24C02N-XBLW_C18723548.pdf",
    "parts": {
      "symbol": "24c02n.kicad_sym",
      "footprint": "24c02n.kicad_mod",
      "model_3d": "24c02n-hero.glb",
      "model_3d_plain": "24c02n.glb",
      "model_3d_step": "24c02n-etched.step",
      "model_3d_step_plain": "24c02n.step",
      "lbr": "24c02n.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Device/chip-select address input bit 0. Hardwired to VIH or VIL to set the low bit of the 3-bit slave address (device address bits 5-7 of the I2C address byte). Recommended pull-up/pull-down resistor 10 kohm or less; internally interpreted as VIL if left floating but external tie is strongly recommended."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Device/chip-select address input bit 1. Hardwired to VIH or VIL to set the middle bit of the 3-bit slave address. Recommended pull-up/pull-down resistor 10 kohm or less."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Device/chip-select address input bit 2. Hardwired to VIH or VIL to set the high bit of the 3-bit slave address. Together A2/A1/A0 allow up to eight 24C02 devices to share one I2C bus."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data line for the two-wire (I2C-compatible) bus. Bidirectional, open-drain output; requires an external pull-up resistor to VCC. Data may only change when SCL is low; SDA transitions while SCL is high are interpreted as START or STOP conditions."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input for the two-wire bus. Rising edge latches data into the EEPROM; falling edge clocks data out. Supports 1 MHz at 2.5-5V and 400 kHz at 1.8V. Requires an external pull-up on the bus."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write-protect input. Tied to VIL (or left floating - internally read as VIL, but tie is recommended) allows all programming operations; tied to VIH or VCC disables all write operations while still allowing reads. Recommended pull-up/pull-down resistor 10 kohm or less."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply. Operating range 1.8 V to 5.5 V (industrial temperature -40 to +85 C). Absolute maximum 8 V; any input must stay within -0.3 V to VCC + 0.3 V."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2403141305_XBLW-24C02N-XBLW_C18723548.pdf",
        "pages": 21,
        "sha256": "c749bcc03016eed9",
        "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": [
        0,
        0
      ],
      "corner": "bottom-right",
      "source": "fab-chamfer",
      "derived_from": "DIP-8_W7.62mm@sha256:222fb44370968119",
      "mark": "synthesised"
    },
    "models_3d": [
      {
        "file": "24c02n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "24c02n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          9.27,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "40e242f034c853e9373ee8e59cd4f9d0702eff5e9bd4b91b1d5b23cf9e1edca9",
        "checked": "2026-11-12",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "title": "24C02N",
  "brief": "XBLW EEPROM, DIP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "metadata": {
    "specs": {
      "Manufacturer": "XBLW",
      "Package": "DIP-8",
      "Category": "Memory",
      "Pins": "8"
    }
  },
  "discovery_triggers": [
    "24c02n"
  ],
  "discovery_pitch": "24C02N (XBLW) component page with datasheet-verified CAD."
}