HT1307ANZ

{
  "slug": "ht1307anz",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI Real Time Clocks, DIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "ht1307anz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ht1307anz.kicad_sym",
    "ht1307anz.kicad_mod",
    "ht1307anz.glb",
    "ht1307anz.step",
    "ht1307anz.lbr",
    "docs/hero.png",
    "docs/ht1307anz-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht1307anz-hero.glb",
    "ht1307anz-hero.overlay.json",
    "ht1307anz-etched.glb"
  ],
  "component": {
    "mpn": "HT1307ANZ",
    "manufacturer": "HTCSEMI",
    "package": "DIP-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Real Time Clocks",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590456505633320960",
    "parts": {
      "symbol": "ht1307anz.kicad_sym",
      "footprint": "ht1307anz.kicad_mod",
      "model_3d": "ht1307anz-hero.glb",
      "model_3d_plain": "ht1307anz-etched.glb",
      "model_3d_step": "ht1307anz-etched.step",
      "model_3d_step_plain": "ht1307anz.step",
      "lbr": "ht1307anz.lbr"
    },
    "distributor_links": {
      "lcsc": "C5274686"
    },
    "distributor_check": {
      "checked_at": "2026-10-13T18:10:40Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "X1",
        "type": "input",
        "description": "Connection pin for the quartz resonator (32.768 kHz crystal, with load capacitance CLX of 12.5 pF per the datasheet timing table)."
      },
      {
        "number": "2",
        "name": "X2",
        "type": "input",
        "description": "Connection pin for the quartz resonator, paired with X1 (load capacitance CLX of 12.5 pF per the datasheet timing table)."
      },
      {
        "number": "3",
        "name": "VBAT",
        "type": "power_in",
        "description": "Battery input pin; the stated normal battery voltage range is 2.0 V to 3.5 V, with an absolute limit of -0.5 V to 7.0 V."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin; all datasheet voltages are referenced to ground."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data input/output for the two-wire bus; low-level output voltage is at most 0.4 V at 5 mA, and I/O capacitance is 10 pF max."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Input for the serial bus clock; bus clock frequency is 0 to 100 kHz (normal mode only), and input leakage is limited to 1 µA."
      },
      {
        "number": "7",
        "name": "SQW/OUT",
        "type": "output",
        "description": "Programmable rectangular-wave output selectable as 1 Hz, 4.096 kHz, 8.192 kHz or 32.768 kHz via the RS bits, with output-low voltage of at most 0.4 V."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Main power supply pin; the normal operating supply range is 4.5 V to 5.5 V, with an absolute limit of -0.5 V to 7.0 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 labels X1 and X2 as type 'In' for the quartz resonator connection; mapped to KiCad 'in; Absolute-maximum and normal ranges are given on page 2 as separate rows; the description lists both "
        ],
        "pages_sent": 10,
        "cost_usd": 0.0409,
        "at": "2026-10-13T18:10:12"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590456505633320960",
        "pages": 10,
        "sha256": "acb496f98c622179",
        "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": "ht1307anz.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": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht1307anz-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": "61123bbd5af1e6e3d7325f0c69cafff7de0e29a15338fe17bd8c8f3b8c036de6",
        "checked": "2026-10-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}