ds1302zn-hxy

{
  "slug": "ds1302zn-hxy",
  "version": "0.1.0",
  "type": "component",
  "description": "HXY MOSFET Real-time Clocks (RTC), SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rtc",
    "ds1302zn-hxy"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds1302zn-hxy.kicad_sym",
    "ds1302zn-hxy.kicad_mod",
    "ds1302zn-hxy.glb",
    "ds1302zn-hxy.step",
    "ds1302zn-hxy.lbr",
    "docs/hero.png",
    "docs/ds1302zn-hxy-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds1302zn-hxy-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "DS1302ZN-HXY",
    "manufacturer": "HXY MOSFET",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Real-time Clocks (RTC)",
    "parts": {
      "symbol": "ds1302zn-hxy.kicad_sym",
      "footprint": "ds1302zn-hxy.kicad_mod",
      "model_3d": "ds1302zn-hxy-etched.glb",
      "model_3d_plain": "ds1302zn-hxy.glb",
      "model_3d_step": "ds1302zn-hxy-etched.step",
      "model_3d_step_plain": "ds1302zn-hxy.step",
      "lbr": "ds1302zn-hxy.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "VCC2",
        "type": "power_in",
        "description": "Primary supply input (main power) in a dual-supply system. Operating range 2.0 V to 5.5 V. When VCC2 > VCC1 + 0.2 V, the device is powered from VCC2; also serves as the source for the programmable trickle charger driving VCC1."
      },
      {
        "number": "2",
        "name": "X1",
        "type": "input",
        "description": "32.768 kHz crystal oscillator input. Connect a 32.768 kHz crystal between X1 and X2 with a specified load capacitance (CL) of 6 pF."
      },
      {
        "number": "3",
        "name": "X2",
        "type": "output",
        "description": "32.768 kHz crystal oscillator output. Connects to the second terminal of the 32.768 kHz timekeeping crystal (CL = 6 pF)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device."
      },
      {
        "number": "5",
        "name": "RST",
        "type": "input",
        "description": "Active-high reset / chip-enable input. Driving RST high initiates a data transfer by enabling the control logic and shift register; driving RST low terminates the transfer and puts the I/O pin into high-impedance. On power-up, RST must be held low until VCC >= 2.5 V, and SCLK must be low when RST is driven high."
      },
      {
        "number": "6",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional serial data input/output for the 3-wire interface. Data is latched on the rising edge of SCLK and driven out on the falling edge; the pin becomes high-impedance (tri-state) when RST is low or on each rising SCLK edge during read. VOH >= 2.4 V and VOL <= 0.4 V at VCC = 5 V; I/O leakage <= 500 uA."
      },
      {
        "number": "7",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input for the 3-wire interface. Synchronizes data movement on I/O; max frequency 2.0 MHz at VCC = 5 V (0.5 MHz at VCC = 2.5 V), min high/low times 250 ns at 5 V."
      },
      {
        "number": "8",
        "name": "VCC1",
        "type": "power_in",
        "description": "Backup supply input (battery or supercap) in dual-supply systems, or the single supply in battery-only systems. Operating range 2.0 V to 5.5 V; powers the RTC when VCC2 < VCC1 so timekeeping and RAM data are retained without main power. Also the trickle-charge output node when the programmable charger is enabled."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C20616350",
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:56:58Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "ds1302zn-hxy.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ds1302zn-hxy-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "ae3b4a9c93e4af49b82bd5a3c01d19c27fa27cae5a1e2f99c11268a823dbdfa0",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}