HT1302ANZ

{
  "slug": "ht1302anz",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI Real-time Clocks (RTC), DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock and timing",
    "ht1302anz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht1302anz.kicad_sym",
    "ht1302anz.kicad_mod",
    "ht1302anz.glb",
    "ht1302anz.step",
    "ht1302anz.lbr",
    "docs/hero.png",
    "docs/ht1302anz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht1302anz-hero.glb",
    "ht1302anz-hero.overlay.json",
    "ht1302anz-etched.glb"
  ],
  "component": {
    "mpn": "HT1302ANZ",
    "manufacturer": "HTCSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Clock and Timing",
    "subcategory": "Real-time Clocks (RTC)",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/317395df67b7c07adc10ed5324e5f588.pdf",
    "parts": {
      "symbol": "ht1302anz.kicad_sym",
      "footprint": "ht1302anz.kicad_mod",
      "model_3d": "ht1302anz-hero.glb",
      "model_3d_plain": "ht1302anz-etched.glb",
      "model_3d_step": "ht1302anz-etched.step",
      "model_3d_step_plain": "ht1302anz.step",
      "lbr": "ht1302anz.lbr"
    },
    "distributor_links": {
      "lcsc": "C2834427"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T21:16:17Z",
      "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": "Primary power supply pin in dual-supply configuration; the device operates from the larger of VCC1 or VCC2, and VCC2 powers it when VCC2 is greater than VCC1 + 0.2V (supply range 2.0V to 5.5V)."
      },
      {
        "number": "2",
        "name": "X1",
        "type": "passive",
        "description": "Connection for a standard 32.768kHz quartz crystal with 6pF load capacitance, or input for an external 32.768kHz oscillator signal."
      },
      {
        "number": "3",
        "name": "X2",
        "type": "passive",
        "description": "Connection for a standard 32.768kHz quartz crystal with 6pF load capacitance; left floating when X1 is driven by an external oscillator."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "5",
        "name": "CE",
        "type": "input",
        "description": "Chip enable input that must be asserted high during a read or write, with an internal 40kΩ (typ) pulldown resistor to ground; formerly called RST."
      },
      {
        "number": "6",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional data pin (input/push-pull output) for the 3-wire interface, with an internal 40kΩ (typ) pulldown resistor to ground."
      },
      {
        "number": "7",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input that synchronizes data movement on the serial interface, with an internal 40kΩ (typ) pulldown resistor to ground."
      },
      {
        "number": "8",
        "name": "VCC1",
        "type": "power_in",
        "description": "Low-power operation and battery backup supply pin (2.0V to 5.5V); the rechargeable energy source connects here when the trickle charger is used, and it is UL recognized against reverse charging current with a lithium battery."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The MPN suffix 'NZ' is not decoded in the datasheet; DIP-8 was taken from the package hint and the D; The datasheet does not give a pin type for X1 and X2, so passive was chosen."
        ],
        "pages_sent": 13,
        "cost_usd": 0.1142,
        "at": "2026-10-22T21:16:02"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/317395df67b7c07adc10ed5324e5f588.pdf",
        "pages": 13,
        "sha256": "8af75ca678de881f",
        "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": "ht1302anz.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": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht1302anz-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": "0c6507a41f43c7583d167ab4b25453fbce07d8dd8b38c043e3316cea36d1e90a",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}