LAN8710AI-EZK

{
  "slug": "lan8710ai-ezk",
  "version": "0.1.0",
  "type": "component",
  "description": "Microchip Tech Ethernet ICs, QFN-32-EP(5x5). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "lan8710ai-ezk",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "lan8710ai-ezk.kicad_sym",
    "lan8710ai-ezk.kicad_mod",
    "lan8710ai-ezk.glb",
    "lan8710ai-ezk.step",
    "lan8710ai-ezk.lbr",
    "docs/hero.png",
    "docs/lan8710ai-ezk-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "lan8710ai-ezk-hero.glb",
    "lan8710ai-ezk-hero.overlay.json",
    "lan8710ai-ezk-etched.glb"
  ],
  "component": {
    "mpn": "LAN8710AI-EZK",
    "manufacturer": "Microchip Tech",
    "package": "QFN-32-EP(5x5)",
    "pin_count": 33,
    "category": "Interface ICs",
    "subcategory": "Ethernet ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ddcdc4688d29215696934f6f0adc8b2a.pdf",
    "parts": {
      "symbol": "lan8710ai-ezk.kicad_sym",
      "footprint": "lan8710ai-ezk.kicad_mod",
      "model_3d": "lan8710ai-ezk-hero.glb",
      "model_3d_plain": "lan8710ai-ezk-etched.glb",
      "model_3d_step": "lan8710ai-ezk-etched.step",
      "model_3d_step_plain": "lan8710ai-ezk.step",
      "lbr": "lan8710ai-ezk.lbr"
    },
    "distributor_links": {
      "lcsc": "C85284",
      "digikey": "638-1083-ND",
      "mouser": "886-LAN8710AI-EZK"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T00:32:33Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "638-1083-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "886-LAN8710AI-EZK",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VDD2A",
        "type": "power_in",
        "description": "+3.3V channel 2 analog port power, which also supplies the internal regulator."
      },
      {
        "number": "2",
        "name": "LED2/nINTSEL",
        "type": "bidirectional",
        "description": "LED2 is driven active when the operating speed is 100Mbps; the nINTSEL strap pulled low selects TXER/TXD4 instead of nINT on pin 18."
      },
      {
        "number": "3",
        "name": "LED1/REGOFF",
        "type": "bidirectional",
        "description": "LED1 is driven active on a valid link and blinks on activity; the REGOFF strap pulled high to VDD2A disables the internal 1.2V regulator."
      },
      {
        "number": "4",
        "name": "XTAL2",
        "type": "output",
        "description": "External crystal output, left unconnected when a single-ended clock oscillator drives XTAL1/CLKIN."
      },
      {
        "number": "5",
        "name": "XTAL1/CLKIN",
        "type": "input",
        "description": "External crystal input or single-ended clock oscillator input."
      },
      {
        "number": "6",
        "name": "VDDCR",
        "type": "power_in",
        "description": "+1.2V digital core supply, provided by the on-chip regulator unless regulator-off mode is configured; 1 uF and 470 pF decoupling capacitors in parallel to ground should be used."
      },
      {
        "number": "7",
        "name": "RXCLK/PHYAD1",
        "type": "bidirectional",
        "description": "In MII mode this is the receive clock output at 25MHz (100BASE-TX) or 2.5MHz (10BASE-T); PHYAD1 strap sets SMI address bit 1."
      },
      {
        "number": "8",
        "name": "RXD3/PHYAD2",
        "type": "bidirectional",
        "description": "MII receive data bit 3, not used in RMII mode; PHYAD2 strap sets SMI address bit 2."
      },
      {
        "number": "9",
        "name": "RXD2/RMIISEL",
        "type": "bidirectional",
        "description": "MII receive data bit 2, not used in RMII mode; RMIISEL strap pulled high to VDDIO selects RMII mode and low to VSS selects MII mode."
      },
      {
        "number": "10",
        "name": "RXD1/MODE1",
        "type": "bidirectional",
        "description": "Receive data bit 1 of 4 bits (2 bits in RMII mode); MODE1 strap combined with MODE0 and MODE2 sets the default PHY mode."
      },
      {
        "number": "11",
        "name": "RXD0/MODE0",
        "type": "bidirectional",
        "description": "Receive data bit 0 of 4 bits (2 bits in RMII mode); MODE0 strap combined with MODE1 and MODE2 sets the default PHY mode."
      },
      {
        "number": "12",
        "name": "VDDIO",
        "type": "power_in",
        "description": "+1.6V to +3.6V variable I/O power supply."
      },
      {
        "number": "13",
        "name": "RXER/RXD4/PHYAD0",
        "type": "bidirectional",
        "description": "Receive error output asserted when an error is detected in the frame; in Symbol Interface mode it carries RXD4; PHYAD0 strap sets SMI address bit 0."
      },
      {
        "number": "14",
        "name": "CRS",
        "type": "output",
        "description": "Carrier sense output indicating carrier detection in MII mode."
      },
      {
        "number": "15",
        "name": "COL/CRS_DV/MODE2",
        "type": "bidirectional",
        "description": "Collision detect output in MII mode, carrier sense/receive data valid in RMII mode; MODE2 strap combined with MODE0 and MODE1 sets the default PHY mode."
      },
      {
        "number": "16",
        "name": "MDIO",
        "type": "bidirectional",
        "description": "Serial management interface data input/output, variable voltage open-drain output with 8mA sink."
      },
      {
        "number": "17",
        "name": "MDC",
        "type": "input",
        "description": "Serial management interface clock, with a minimum of 160 ns between edges and a minimum cycle time of 400 ns."
      },
      {
        "number": "18",
        "name": "nINT/TXER/TXD4",
        "type": "output",
        "description": "Active low interrupt output that requires an external pull-up to VDDIO; when nINTSEL is pulled low the pin functions as TXER/TXD4."
      },
      {
        "number": "19",
        "name": "nRST",
        "type": "input",
        "description": "System reset input, active low."
      },
      {
        "number": "20",
        "name": "TXCLK",
        "type": "output",
        "description": "MII transmit clock output at 25MHz (100BASE-TX) or 2.5MHz (10BASE-T); not used in RMII mode."
      },
      {
        "number": "21",
        "name": "TXEN",
        "type": "input",
        "description": "Indicates valid transmit data on TXD[3:0]; in RMII mode only TXD[1:0] provide valid data."
      },
      {
        "number": "22",
        "name": "TXD0",
        "type": "input",
        "description": "MAC transmit data bit 0, used in all modes."
      },
      {
        "number": "23",
        "name": "TXD1",
        "type": "input",
        "description": "MAC transmit data bit 1, used in all modes."
      },
      {
        "number": "24",
        "name": "TXD2",
        "type": "input",
        "description": "MAC transmit data bit 2 in MII mode; must be grounded in RMII mode."
      },
      {
        "number": "25",
        "name": "TXD3",
        "type": "input",
        "description": "MAC transmit data bit 3 in MII mode; must be grounded in RMII mode."
      },
      {
        "number": "26",
        "name": "RXDV",
        "type": "output",
        "description": "Receive data valid, indicating that recovered and decoded data is available on the RXD pins."
      },
      {
        "number": "27",
        "name": "VDD1A",
        "type": "power_in",
        "description": "+3.3V channel 1 analog port power."
      },
      {
        "number": "28",
        "name": "TXN",
        "type": "bidirectional",
        "description": "Ethernet transmit/receive negative channel 1, analog bidirectional."
      },
      {
        "number": "29",
        "name": "TXP",
        "type": "bidirectional",
        "description": "Ethernet transmit/receive positive channel 1, analog bidirectional."
      },
      {
        "number": "30",
        "name": "RXN",
        "type": "bidirectional",
        "description": "Ethernet transmit/receive negative channel 2, analog bidirectional."
      },
      {
        "number": "31",
        "name": "RXP",
        "type": "bidirectional",
        "description": "Ethernet transmit/receive positive channel 2, analog bidirectional."
      },
      {
        "number": "32",
        "name": "RBIAS",
        "type": "passive",
        "description": "External 1% bias resistor input that requires a 12.1k ohm (1%) resistor to ground, with a nominal voltage of 1.2V."
      },
      {
        "number": "33",
        "name": "VSS",
        "type": "power_in",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "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 excerpt gives one 32-QFN/SQFN pin assignment (Table 2-8) for both package styles. The ; The exposed pad on the bottom of the package is the VSS ground connection per Figure 2-1 and Table 2",
          "11/33 pins cited to the wrong page (name found elsewhere): ['4:XTAL2@p14', '13:RXER/RXD4/PHYAD0@p9', '14:CRS@p10', '15:COL/CRS_DV/MODE2@p10']"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0446,
        "at": "2026-10-27T00:31:43"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ddcdc4688d29215696934f6f0adc8b2a.pdf",
        "pages": 80,
        "sha256": "0f4b8670bcfc7e63",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 33,
        "described": 33,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "lan8710ai-ezk.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "5fa713ea46b36980895812ed853577889b7cb06d275041a39b99bc0be305dc79",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "lan8710ai-ezk-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          5.0,
          5.0,
          0.875
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "92242429508c83549f184d22e5d8908492a2ba2e792d5c704fa9c75f477ae657",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}