AiP1302SA8.TR

{
  "schema_version": 1,
  "type": "component",
  "slug": "aip1302sa8-tr",
  "title": "AiP1302SA8.TR",
  "brief": "Wuxi I core Elec Real-time Clocks (RTC), SOP-8. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "rtc",
    "aip1302sa8.tr"
  ],
  "component": {
    "mpn": "AiP1302SA8.TR",
    "manufacturer": "Wuxi I core Elec",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "RTC",
    "subcategory": "Real-time Clocks (RTC)",
    "datasheet": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2210091830_Wuxi-I-core-Elec-AiP1302SA8-TR_C5183394.pdf",
    "parts": {
      "symbol": "aip1302sa8-tr.kicad_sym",
      "footprint": "aip1302sa8-tr.kicad_mod",
      "model_3d": "aip1302sa8-tr-etched.glb",
      "model_3d_plain": "aip1302sa8-tr.glb",
      "model_3d_step": "aip1302sa8-tr-etched.step",
      "model_3d_step_plain": "aip1302sa8-tr.step",
      "lbr": "aip1302sa8-tr.lbr"
    },
    "distributor_links": {},
    "pins": [
      {
        "number": "1",
        "name": "VCC2",
        "type": "power_in",
        "description": "Main power supply input, 2.0 V to 5.5 V. Powers the device when VCC2 > VCC1 + 0.2 V; also sources trickle-charge current to VCC1 when enabled."
      },
      {
        "number": "2",
        "name": "X1",
        "type": "passive",
        "description": "32.768 kHz crystal connection. Connect to one terminal of an external 32.768 kHz tuning-fork crystal (typical CL = 12.5 pF, ESR ≤ 45 kΩ)."
      },
      {
        "number": "3",
        "name": "X2",
        "type": "passive",
        "description": "32.768 kHz crystal connection. Connect to the other terminal of the external 32.768 kHz tuning-fork crystal (typical CL = 12.5 pF, ESR ≤ 45 kΩ)."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground / device 0 V reference."
      },
      {
        "number": "5",
        "name": "CE",
        "type": "input",
        "description": "Chip enable (chip-select) input for the 3-wire serial interface. Drive high to load address/command into the shift register and start a transfer; drive low to end the transfer and place I/O in high impedance. On power-up CE must be held low until VCC > 2.5 V, and CE may only be driven high while SCLK is low."
      },
      {
        "number": "6",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional serial data pin for the 3-wire interface. Command/address and write data are shifted in on SCLK rising edges (LSB first); read data is shifted out on SCLK falling edges. High impedance while CE is low."
      },
      {
        "number": "7",
        "name": "SCLK",
        "type": "input",
        "description": "Serial clock input for the 3-wire interface. Maximum clock frequency 0.5 MHz at VCC=2.0 V and 2.0 MHz at VCC=5.0 V."
      },
      {
        "number": "8",
        "name": "VCC1",
        "type": "power_in",
        "description": "Backup power supply input (battery or ≥0.1 F supercapacitor). Supplies the RTC when VCC2 < VCC1 + 0.2 V. Can be trickle-charged from VCC2 through internal resistor/diode network (R1=2 kΩ, R2=4 kΩ, R3=8 kΩ, VTD≈0.7 V)."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://wmsc.lcsc.com/wmsc/upload/file/pdf/v2/lcsc/2210091830_Wuxi-I-core-Elec-AiP1302SA8-TR_C5183394.pdf",
        "pages": 17,
        "sha256": "5d7048ca9dc07e97",
        "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": "aip1302sa8-tr.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": "aip1302sa8-tr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "95b724193e3282a711bbed3cfad9673cb6e762959b6b8e358ae1e3cd947d97e6",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Wuxi I core Elec",
      "Package": "SOP-8",
      "Category": "RTC",
      "Pins": "8"
    }
  },
  "variants": [
    {
      "mpn": "AiP1302SA8.TR",
      "kind": "packaging"
    },
    {
      "mpn": "AiP1302SA8.TB",
      "kind": "unknown"
    },
    {
      "mpn": "AiP1302SA8.TRDA8.TB",
      "kind": "packaging"
    },
    {
      "mpn": "AiP1302SA8.TRTB8.TR",
      "kind": "packaging"
    },
    {
      "mpn": "AiP1302SA8.TRTB8.TB",
      "kind": "packaging"
    },
    {
      "mpn": "AiP1302SA8.TRXF8.TR",
      "kind": "packaging"
    }
  ],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "aip1302sa8.tr"
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  "discovery_pitch": "AiP1302SA8.TR (Wuxi I core Elec) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "aip1302sa8-tr.kicad_sym",
    "aip1302sa8-tr.kicad_mod",
    "aip1302sa8-tr.glb",
    "aip1302sa8-tr.step",
    "aip1302sa8-tr.lbr",
    "docs/hero.png",
    "docs/aip1302sa8-tr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "updated_at": "2026-09-24T16:11:03.834Z"
}