HG1302ZN

{
  "slug": "hg1302zn",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Real Time Clocks, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "hg1302zn",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "hg1302zn.kicad_sym",
    "hg1302zn.kicad_mod",
    "hg1302zn.glb",
    "hg1302zn.step",
    "hg1302zn.lbr",
    "docs/hero.png",
    "docs/hg1302zn-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "hg1302zn-hero.glb",
    "hg1302zn-hero.overlay.json",
    "hg1302zn-etched.glb"
  ],
  "component": {
    "mpn": "HG1302ZN",
    "manufacturer": "HGSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Real Time Clocks",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603087735574458368",
    "parts": {
      "symbol": "hg1302zn.kicad_sym",
      "footprint": "hg1302zn.kicad_mod",
      "model_3d": "hg1302zn-hero.glb",
      "model_3d_plain": "hg1302zn-etched.glb",
      "model_3d_step": "hg1302zn-etched.step",
      "model_3d_step_plain": "hg1302zn.step",
      "lbr": "hg1302zn.lbr"
    },
    "distributor_links": {
      "lcsc": "C5310747"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T14:29:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC2",
        "type": "power_in",
        "description": "Main supply pin, rated 2.0 V to 5.5 V; the device is powered from VCC2 when VCC2 is more than 0.2 V above VCC1."
      },
      {
        "number": "2",
        "name": "X1",
        "type": "passive",
        "description": "Connects directly to one terminal of a 32.768 kHz crystal, and the selected crystal's specified load capacitance should be 6 pF."
      },
      {
        "number": "3",
        "name": "X2",
        "type": "passive",
        "description": "Connects directly to the other terminal of the 32.768 kHz crystal, and the selected crystal's specified load capacitance should be 6 pF."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "5",
        "name": "RST",
        "type": "input",
        "description": "Driving RST high enables and starts all data transfers, and driving it low aborts them and tri-states I/O; RST must be logic 0 before VCC reaches 2.5 V at power-up, and SCLK must be logic 0 when RST is driven high."
      },
      {
        "number": "6",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Serial data input/output: data is latched on SCLK rising edges during writes and driven on SCLK falling edges during reads, and the pin is high impedance when RST is low."
      },
      {
        "number": "7",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input that synchronizes command and data shifting on I/O; it must be logic 0 when RST is driven to logic 1."
      },
      {
        "number": "8",
        "name": "VCC1",
        "type": "power_in",
        "description": "Backup supply pin, rated 2.0 V to 5.5 V, that powers the device when VCC2 is not higher than VCC1 by more than 0.2 V."
      }
    ],
    "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 datasheet gives one DIP8/SOP8/MSOP8 pin table (page 2). The HG1302ZN is the DIP8 variant, so thi; Pin 2 and 3 types are set to passive because the datasheet describes them as crystal connections (X1; Supply range 2.0 V to 5.5 V and the 0 to 70 C / -40 to +85 C operating temperatures are in the datas"
        ],
        "pages_sent": 14,
        "cost_usd": 0.0498,
        "at": "2026-10-18T14:27:28"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603087735574458368",
        "pages": 14,
        "sha256": "313dc8a655711ee6",
        "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": "hg1302zn.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": 0.0,
        "footprint_binding": "identity",
        "sha256": "4a377a56a8d9e9c0b86c095ef9ecc1869ac19e7f5069a3247b294250bf4f235d",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "hg1302zn-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": 0.0,
        "footprint_binding": "identity",
        "sha256": "fed0a05ea7b983a02e375b5dcb58bb409f3b503305820c99ac0e9ab3a6f00c59",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}