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Ray Set visibility: public 92abd73 13d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "upd720210k8-baf-a",
  "title": "UPD720210K8-BAF-A",
  "brief": "RENESAS USB ICs, QFN-76-EP(9x9). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface ics",
    "upd720210k8-baf-a",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "UPD720210K8-BAF-A",
    "manufacturer": "RENESAS",
    "package": "QFN-76-EP(9x9)",
    "pin_count": 77,
    "category": "Interface ICs",
    "subcategory": "USB ICs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/3ba7e26ff7c58f1c6a8142a6f8a2cee9.pdf",
    "parts": {
      "symbol": "upd720210k8-baf-a.kicad_sym",
      "footprint": "upd720210k8-baf-a.kicad_mod",
      "model_3d": "upd720210k8-baf-a-hero.glb",
      "model_3d_plain": "upd720210k8-baf-a-etched.glb",
      "model_3d_step": "upd720210k8-baf-a-etched.step",
      "model_3d_step_plain": "upd720210k8-baf-a.step",
      "lbr": "upd720210k8-baf-a.lbr"
    },
    "distributor_links": {
      "lcsc": "C2982859",
      "digikey": "UPD720210K8-BAF-A-ND",
      "mouser": "968-UPD720210K8BAFA"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T00:22:52Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "UPD720210K8-BAF-A-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "968-UPD720210K8BAFA",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "SUSPEND/NRDCLKO",
        "type": "output",
        "description": "Pin 1 outputs SUSPEND or the non-removable device clock (CLKOUT), selected by the pin strap settings of SPICSB and OCI1B, and is Hi-Z until configured."
      },
      {
        "number": "2",
        "name": "RESETB",
        "type": "input",
        "description": "Active-low chip reset input, with the power-on reset timing given in the electrical specifications."
      },
      {
        "number": "3",
        "name": "U3TXDP1",
        "type": "output",
        "description": "USB 3.0 downstream port 1 SuperSpeed transmit D+ signal."
      },
      {
        "number": "4",
        "name": "U3TXDN1",
        "type": "output",
        "description": "USB 3.0 downstream port 1 SuperSpeed transmit D- signal."
      },
      {
        "number": "5",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "6",
        "name": "U3RXDP1",
        "type": "input",
        "description": "USB 3.0 downstream port 1 SuperSpeed receive D+ signal."
      },
      {
        "number": "7",
        "name": "U3RXDN1",
        "type": "input",
        "description": "USB 3.0 downstream port 1 SuperSpeed receive D- signal."
      },
      {
        "number": "8",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3 V power supply for the IO buffers."
      },
      {
        "number": "9",
        "name": "U2DP1",
        "type": "bidirectional",
        "description": "USB 2.0 downstream port 1 D+ signal for High-/Full-/Low-speed."
      },
      {
        "number": "10",
        "name": "U2DM1",
        "type": "bidirectional",
        "description": "USB 2.0 downstream port 1 D- signal for High-/Full-/Low-speed."
      },
      {
        "number": "11",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "12",
        "name": "U3TXDP2",
        "type": "output",
        "description": "USB 3.0 downstream port 2 SuperSpeed transmit D+ signal."
      },
      {
        "number": "13",
        "name": "U3TXDN2",
        "type": "output",
        "description": "USB 3.0 downstream port 2 SuperSpeed transmit D- signal."
      },
      {
        "number": "14",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "15",
        "name": "U3RXDP2",
        "type": "input",
        "description": "USB 3.0 downstream port 2 SuperSpeed receive D+ signal."
      },
      {
        "number": "16",
        "name": "U3RXDN2",
        "type": "input",
        "description": "USB 3.0 downstream port 2 SuperSpeed receive D- signal."
      },
      {
        "number": "17",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3 V power supply for the IO buffers."
      },
      {
        "number": "18",
        "name": "U2DP2",
        "type": "bidirectional",
        "description": "USB 2.0 downstream port 2 D+ signal for High-/Full-/Low-speed."
      },
      {
        "number": "19",
        "name": "U2DM2",
        "type": "bidirectional",
        "description": "USB 2.0 downstream port 2 D- signal for High-/Full-/Low-speed."
      },
      {
        "number": "20",
        "name": "U3TXDP3",
        "type": "output",
        "description": "USB 3.0 downstream port 3 SuperSpeed transmit D+ signal."
      },
      {
        "number": "21",
        "name": "U3TXDN3",
        "type": "output",
        "description": "USB 3.0 downstream port 3 SuperSpeed transmit D- signal."
      },
      {
        "number": "22",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "23",
        "name": "U3RXDP3",
        "type": "input",
        "description": "USB 3.0 downstream port 3 SuperSpeed receive D+ signal."
      },
      {
        "number": "24",
        "name": "U3RXDN3",
        "type": "input",
        "description": "USB 3.0 downstream port 3 SuperSpeed receive D- signal."
      },
      {
        "number": "25",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3 V power supply for the IO buffers."
      },
      {
        "number": "26",
        "name": "U2DP3",
        "type": "bidirectional",
        "description": "USB 2.0 downstream port 3 D+ signal for High-/Full-/Low-speed."
      },
      {
        "number": "27",
        "name": "U2DM3",
        "type": "bidirectional",
        "description": "USB 2.0 downstream port 3 D- signal for High-/Full-/Low-speed."
      },
      {
        "number": "28",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "29",
        "name": "U3TXDP4",
        "type": "output",
        "description": "USB 3.0 downstream port 4 SuperSpeed transmit D+ signal."
      },
      {
        "number": "30",
        "name": "U3TXDN4",
        "type": "output",
        "description": "USB 3.0 downstream port 4 SuperSpeed transmit D- signal."
      },
      {
        "number": "31",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "32",
        "name": "U3RXDP4",
        "type": "input",
        "description": "USB 3.0 downstream port 4 SuperSpeed receive D+ signal."
      },
      {
        "number": "33",
        "name": "U3RXDN4",
        "type": "input",
        "description": "USB 3.0 downstream port 4 SuperSpeed receive D- signal."
      },
      {
        "number": "34",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3 V power supply for the IO buffers."
      },
      {
        "number": "35",
        "name": "U2DP4",
        "type": "bidirectional",
        "description": "USB 2.0 downstream port 4 D+ signal for High-/Full-/Low-speed."
      },
      {
        "number": "36",
        "name": "U2DM4",
        "type": "bidirectional",
        "description": "USB 2.0 downstream port 4 D- signal for High-/Full-/Low-speed."
      },
      {
        "number": "37",
        "name": "LED1B/SUSPEND",
        "type": "output",
        "description": "Port 1 LED control output (Green only) when the external ROM is not used, or SUSPEND output when the external ROM is used and SUSPEND is enabled."
      },
      {
        "number": "38",
        "name": "SPICSB",
        "type": "bidirectional",
        "description": "External serial ROM chip select (active low), also used as a pin strap input for ROM, LED and ROM address length options."
      },
      {
        "number": "39",
        "name": "SPISI/LED2B",
        "type": "bidirectional",
        "description": "External serial ROM data output to the ROM SI input, or LED2 output depending on pin strap setting."
      },
      {
        "number": "40",
        "name": "SPISO/LED3B",
        "type": "bidirectional",
        "description": "External serial ROM data input from the ROM SO output, or LED3 output depending on pin strap setting."
      },
      {
        "number": "41",
        "name": "SPISCK/LED4B",
        "type": "bidirectional",
        "description": "External serial ROM clock output, or LED4 output depending on pin strap setting."
      },
      {
        "number": "42",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3 V power supply for the IO buffers."
      },
      {
        "number": "43",
        "name": "VBUSM",
        "type": "input",
        "description": "Upstream port VBUS monitor input, which takes VBUS divided down to 3.3 V."
      },
      {
        "number": "44",
        "name": "BUSSEL",
        "type": "input",
        "description": "Power mode select input: 0 selects bus-power and 1 selects self-power."
      },
      {
        "number": "45",
        "name": "OCI1B",
        "type": "input",
        "description": "Port 1 over-current input (active low), which also selects non-removable setting when low as a pin strap."
      },
      {
        "number": "46",
        "name": "PPON1B/NRDRSTB",
        "type": "bidirectional",
        "description": "Port 1 power control output (active low) when high, or non-removable device reset NRDRSTB when strapped low."
      },
      {
        "number": "47",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "48",
        "name": "V33OUT",
        "type": "power_out",
        "description": "LDO 3.3 V output; 15 kΩ and 4.7 μF are required between this pin and GND when the integrated LDO is not used."
      },
      {
        "number": "49",
        "name": "V50IN",
        "type": "power_in",
        "description": "LDO regulator 5 V input, which must be connected to GND when the integrated LDO is not used."
      },
      {
        "number": "50",
        "name": "AVDD33R",
        "type": "power_in",
        "description": "Switching regulator 3.3 V input."
      },
      {
        "number": "51",
        "name": "PGDRV",
        "type": "output",
        "description": "Switching regulator P-channel FET control output; see section 3.10 for FET selection."
      },
      {
        "number": "52",
        "name": "NGDRV",
        "type": "output",
        "description": "Switching regulator N-channel FET control output; see section 3.10 for FET selection."
      },
      {
        "number": "53",
        "name": "ILIM",
        "type": "input",
        "description": "Switching regulator current sense input."
      },
      {
        "number": "54",
        "name": "V10FB",
        "type": "input",
        "description": "Switching regulator output voltage monitor input for the 1.05 V output."
      },
      {
        "number": "55",
        "name": "OCI2B",
        "type": "input",
        "description": "Port 2 over-current input (active low), which also selects non-removable setting when low as a pin strap."
      },
      {
        "number": "56",
        "name": "PPON2B",
        "type": "bidirectional",
        "description": "Port power control output for port 2 (active low) that also sets gang or individual power control mode as a pin strap."
      },
      {
        "number": "57",
        "name": "OCI3B",
        "type": "input",
        "description": "Port 3 over-current input (active low), which also selects non-removable setting when low as a pin strap."
      },
      {
        "number": "58",
        "name": "PPON3B",
        "type": "bidirectional",
        "description": "Port 3 power control output (active low) that also sets the number of ports as a pin strap."
      },
      {
        "number": "59",
        "name": "OCI4B",
        "type": "input",
        "description": "Port 4 over-current input (active low), which also selects non-removable setting when low as a pin strap."
      },
      {
        "number": "60",
        "name": "PPON4B",
        "type": "bidirectional",
        "description": "Port 4 power control output (active low) that also sets the number of ports as a pin strap."
      },
      {
        "number": "61",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3 V power supply for the IO buffers."
      },
      {
        "number": "62",
        "name": "U2DPU",
        "type": "bidirectional",
        "description": "USB 2.0 upstream D+ signal for High-/Full-/Low-speed."
      },
      {
        "number": "63",
        "name": "U2DMU",
        "type": "bidirectional",
        "description": "USB 2.0 upstream D- signal for High-/Full-/Low-speed."
      },
      {
        "number": "64",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "65",
        "name": "U3TXDNU",
        "type": "output",
        "description": "USB 3.0 upstream SuperSpeed transmit D- signal."
      },
      {
        "number": "66",
        "name": "U3TXDPU",
        "type": "output",
        "description": "USB 3.0 upstream SuperSpeed transmit D+ signal."
      },
      {
        "number": "67",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "68",
        "name": "U3RXDNU",
        "type": "input",
        "description": "USB 3.0 upstream SuperSpeed receive D- signal."
      },
      {
        "number": "69",
        "name": "U3RXDPU",
        "type": "input",
        "description": "USB 3.0 upstream SuperSpeed receive D+ signal."
      },
      {
        "number": "70",
        "name": "VDD10",
        "type": "power_in",
        "description": "1.05 V power supply for the core logic."
      },
      {
        "number": "71",
        "name": "AVDD33",
        "type": "power_in",
        "description": "3.3 V power supply for the analog circuits."
      },
      {
        "number": "72",
        "name": "RREF",
        "type": "passive",
        "description": "Reference voltage input for USB 2.0, which must be connected to a 1.6 kΩ resistor with 1% tolerance."
      },
      {
        "number": "73",
        "name": "IC(L)",
        "type": "input",
        "description": "Test pin that must be connected to GND."
      },
      {
        "number": "74",
        "name": "XT1",
        "type": "input",
        "description": "External oscillator input connected to a 24 MHz crystal; it can also be driven by a 3.3 V oscillator."
      },
      {
        "number": "75",
        "name": "XT2",
        "type": "output",
        "description": "External oscillator output connected to a 24 MHz crystal; left open when XT1 is driven single-ended."
      },
      {
        "number": "76",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3 V power supply for the IO buffers."
      },
      {
        "number": "77",
        "name": "EP",
        "type": "passive",
        "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 confirms MPN UPD720210K8-BAF-A is the 76-pin QFN (9 x 9) package (pages 2 and 41), whi"
        ],
        "pages_sent": 16,
        "cost_usd": 0.0466,
        "at": "2026-10-28T00:22:32"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/3ba7e26ff7c58f1c6a8142a6f8a2cee9.pdf",
        "pages": 44,
        "sha256": "4142aaed32d66c0e",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 77,
        "described": 77,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "upd720210k8-baf-a.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          9,
          9,
          0.87
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "3ab1064cae4fe9fd862cf68d892e572981a8eef91ec6d357d43dd753058ee5b3",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "upd720210k8-baf-a-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
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