DS1307CDRG

{
  "slug": "ds1307cdrg",
  "version": "0.1.0",
  "type": "component",
  "description": "HANSCHIP semiconductor Real Time Clocks, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "clock-timing",
    "ds1307cdrg",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds1307cdrg.kicad_sym",
    "ds1307cdrg.kicad_mod",
    "ds1307cdrg.glb",
    "ds1307cdrg.step",
    "ds1307cdrg.lbr",
    "docs/hero.png",
    "docs/ds1307cdrg-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "DS1307CDRG",
    "manufacturer": "HANSCHIP semiconductor",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Real Time Clocks",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757797017361883136",
    "parts": {
      "symbol": "ds1307cdrg.kicad_sym",
      "footprint": "ds1307cdrg.kicad_mod",
      "model_3d": "ds1307cdrg.glb",
      "model_3d_step": "ds1307cdrg.step",
      "lbr": "ds1307cdrg.lbr"
    },
    "distributor_links": {
      "lcsc": "C5145427"
    },
    "pins": [
      {
        "number": "1",
        "name": "X1",
        "type": "passive",
        "description": "32.768 kHz crystal oscillator input pin with 12.5pF load capacitance, or external oscillator input."
      },
      {
        "number": "2",
        "name": "X2",
        "type": "passive",
        "description": "32.768 kHz crystal oscillator output pin with 12.5pF load capacitance, or left floating for external oscillator."
      },
      {
        "number": "3",
        "name": "VBAT",
        "type": "power_in",
        "description": "+3V battery input, 2.0V to 3.5V operating range, supports 48mAhr+ lithium battery for over ten years at 25°C without main power."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground/common connection."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "Serial data input/output for I2C interface, open-drain output requiring external pull-up resistor."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "Serial clock input for I2C interface, open-drain output with pull-up resistor."
      },
      {
        "number": "7",
        "name": "SQW/OUT",
        "type": "output",
        "description": "Square wave output driver at 1Hz, 4.096kHz, 8.192kHz or 32.768kHz, open-drain requiring external pull-up resistor."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "+5V power supply input pin with 4.5V to 5.5V operating range."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.2",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.2",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-4-6",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 15,
        "cost_usd": 0.1611,
        "at": "2026-09-17T19:38:38"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8757797017361883136",
        "pages": 15,
        "sha256": "db9c8e274d96c9a3",
        "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": "ds1307cdrg.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": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds1307cdrg-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "9a8bdcdcb492cae30fb7812473cfc71393566ab11b58b29e5414884810ac7b0b",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}