HK24C08HA-USR-B

{
  "slug": "hk24c08ha-usr-b",
  "version": "0.1.0",
  "type": "component",
  "description": "HK EEPROM, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "hk24c08ha-usr-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hk24c08ha-usr-b.kicad_sym",
    "hk24c08ha-usr-b.kicad_mod",
    "hk24c08ha-usr-b.glb",
    "hk24c08ha-usr-b.step",
    "hk24c08ha-usr-b.lbr",
    "docs/hero.png",
    "docs/hk24c08ha-usr-b-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hk24c08ha-usr-b-hero.glb",
    "hk24c08ha-usr-b-hero.overlay.json",
    "hk24c08ha-usr-b-etched.glb"
  ],
  "component": {
    "mpn": "HK24C08HA-USR-B",
    "manufacturer": "HK",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Memory",
    "subcategory": "EEPROM",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604422987856957440",
    "parts": {
      "symbol": "hk24c08ha-usr-b.kicad_sym",
      "footprint": "hk24c08ha-usr-b.kicad_mod",
      "model_3d": "hk24c08ha-usr-b-hero.glb",
      "model_3d_plain": "hk24c08ha-usr-b-etched.glb",
      "model_3d_step": "hk24c08ha-usr-b-etched.step",
      "model_3d_step_plain": "hk24c08ha-usr-b.step",
      "lbr": "hk24c08ha-usr-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C33576250"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T11:26:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Device address input for chip select, normally hardwired to VIH or VIL; if left unconnected it is internally recognized as VIL, but section 5 states that A1 and A0 are not used by the HK24C08."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Device address input listed for chip select, but section 5 states that for the HK24C08 chip select address pins A1 and A0 are not used, and unconnected inputs are internally recognized as VIL."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Device address chip select input (5th device address bit) that must be hard wired, allowing two HK24C08 devices to be wire-ORed on the same 2-wire bus with addresses coded from 00b to 11b."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Bi-directional serial data line, an open-drain output that can be wire-ORed with other open-drain devices and is typically pulled high by an external resistor; data changes only while SCL is low."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input where the rising edge latches data into the EEPROM and the falling edge clocks data out of the EEPROM."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write protect input: programming is allowed when left unconnected or at VIL, and all programming is disabled when connected to VIH or VCC; read operations are not affected by its level."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, specified from 1.8V to 5.5V for the HK24C08."
      }
    ],
    "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 SOP-8 pin numbering was taken from a flattened two-column text layout on page 3 (A0 1 8 VCC / A1; Internal inconsistency in the datasheet: the pin table and pin description list A0, A1 and A2 as chi; Pin 4 is GND and pin 8 is VCC per the page 3 layout; no separate pinout was given for the HK24C08HA "
        ],
        "pages_sent": 18,
        "cost_usd": 0.0563,
        "at": "2026-10-18T11:25:23"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8604422987856957440",
        "pages": 18,
        "sha256": "61bb580ce10256ad",
        "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": "hk24c08ha-usr-b.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": "hk24c08ha-usr-b-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": "b9f27d03066f09741ff3e96acef84a5ee24864eb9a679d30abd69372a03dd582",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}