DS3231MZ+TRL

{
  "schema_version": 1,
  "type": "component",
  "slug": "ds3231mz-trl",
  "title": "DS3231MZ+TRL",
  "brief": "Analog Devices Inc Maxim Integrated Real Time Clocks, SOIC-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "clock-timing",
    "ds3231mz+trl"
  ],
  "component": {
    "mpn": "DS3231MZ+TRL",
    "manufacturer": "Analog Devices Inc Maxim Integrated",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Clock/Timing",
    "subcategory": "Real Time Clocks",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586180066687012864",
    "parts": {
      "symbol": "ds3231mz-trl.kicad_sym",
      "footprint": "ds3231mz-trl.kicad_mod",
      "model_3d": "ds3231mz-trl-etched.glb",
      "model_3d_plain": "ds3231mz-trl.glb",
      "model_3d_step": "ds3231mz-trl-etched.step",
      "model_3d_step_plain": "ds3231mz-trl.step",
      "lbr": "ds3231mz-trl.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "32KHZ",
        "type": "output",
        "description": "32.768kHz output (50% duty cycle). Open-drain; requires an external pullup (up to 5.5V). Enabled via the EN32KHZ bit in the Status register (0Fh); operates on either VCC or VBAT. Leave open if unused."
      },
      {
        "number": "2",
        "name": "VCC",
        "type": "power_in",
        "description": "DC power pin for primary power supply (2.3V-5.5V). Decouple with a 0.1µF-1.0µF capacitor. Tie to GND if not used (VBAT-only operation)."
      },
      {
        "number": "3",
        "name": "INT/SQW",
        "type": "output",
        "description": "Active-low interrupt or 1Hz square-wave output. Open-drain; requires an external pullup to ≤5.5V. Function selected by the INTCN bit in Control register (0Eh): INTCN=0 outputs 1Hz square wave; INTCN=1 outputs alarm-match interrupt. Defaults to interrupt with alarms disabled at power-up. Leave open if unused."
      },
      {
        "number": "4",
        "name": "RST",
        "type": "bidirectional",
        "description": "Active-low reset I/O. Open-drain output driven low when VCC < VPF; released high through an internal ~50kΩ pullup (RPU) to VCC after tRST once VCC exceeds VPF. Also acts as a debounced pushbutton input - pulling it low triggers a reset request. No external pullup required. If the oscillator is disabled, tREC is bypassed and RST immediately goes high."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference."
      },
      {
        "number": "6",
        "name": "VBAT",
        "type": "power_in",
        "description": "Backup power-supply input (2.3V-5.5V). Provides continuous timekeeping when VCC falls below VPF. Decouple with a 0.1µF-1.0µF low-leakage capacitor when used as primary supply; no cap required when used only as backup. Tie to GND if unused. UL-recognized against reverse charging for use with primary lithium cells."
      },
      {
        "number": "7",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data input/output. Open-drain; requires an external pullup (may be pulled to any voltage up to 5.5V regardless of VCC). Supports fast-mode (400kHz) and standard-mode I2C."
      },
      {
        "number": "8",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Synchronizes data on the I2C bus. Pullup voltage may be up to 5.5V regardless of VCC. Supports 400kHz fast-mode I2C."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586180066687012864",
        "pages": 20,
        "sha256": "dcc1cd00b353b9f3",
        "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": "ds3231mz-trl.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": "ds3231mz-trl-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": "0fe4b0cacecb725ee640ac8c406b8f186c1c9e09f1ed61bb046465a2f49bac58",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Analog Devices Inc Maxim Integrated",
      "Package": "SOIC-8",
      "Category": "Clock/Timing",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "DS3231MZ+TRL",
      "kind": "packaging"
    },
    {
      "mpn": "DS3231MZ+TRLMZ/V+",
      "kind": "packaging"
    },
    {
      "mpn": "DS3231MZ+TRLM+",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ds3231mz+trl"
  ],
  "discovery_pitch": "DS3231MZ+TRL (Analog Devices Inc Maxim Integrated) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds3231mz-trl.kicad_sym",
    "ds3231mz-trl.kicad_mod",
    "ds3231mz-trl.glb",
    "ds3231mz-trl.step",
    "ds3231mz-trl.lbr",
    "docs/hero.png",
    "docs/ds3231mz-trl-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T20:06:09.524Z"
}