USB2514B-AEZC

{
  "schema_version": 1,
  "type": "component",
  "slug": "usb2514b-aezc",
  "title": "USB2514B-AEZC",
  "brief": "Microchip Tech Pre-ordered MCUs, TQFN-36-EP(6x6). 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",
    "embedded processors & controllers",
    "usb2514b-aezc",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "USB2514B-AEZC",
    "manufacturer": "Microchip Tech",
    "package": "TQFN-36-EP(6x6)",
    "pin_count": 37,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Pre-ordered MCUs",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/6c3e145f139571f448f841382155d3f0.pdf",
    "parts": {
      "symbol": "usb2514b-aezc.kicad_sym",
      "footprint": "usb2514b-aezc.kicad_mod",
      "model_3d": "usb2514b-aezc-hero.glb",
      "model_3d_plain": "usb2514b-aezc-etched.glb",
      "model_3d_step": "usb2514b-aezc-etched.step",
      "model_3d_step_plain": "usb2514b-aezc.step",
      "lbr": "usb2514b-aezc.lbr"
    },
    "distributor_links": {
      "lcsc": "C633338",
      "digikey": "638-1122-ND",
      "mouser": "886-USB2514B-AEZC"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T06:32:56Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "638-1122-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "886-USB2514B-AEZC",
        "status": "found",
        "lifecycle": "Not Recommended for New Designs"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "USBDM_DN1/PRT_DIS_M1",
        "type": "bidirectional",
        "description": "Downstream port 1 hi-speed USB D- data, also a port disable strap sampled at RESET_N negation (pull up both PRT_DIS_M1 and PRT_DIS_P1 to disable the port)."
      },
      {
        "number": "2",
        "name": "USBDP_DN1/PRT_DIS_P1",
        "type": "bidirectional",
        "description": "Downstream port 1 hi-speed USB D+ data, also a port disable strap; to disable use a 10 kΩ pull-up to 3.3 V."
      },
      {
        "number": "3",
        "name": "USBDM_DN2/PRT_DIS_M2",
        "type": "bidirectional",
        "description": "Downstream port 2 hi-speed USB D- data, also a port disable strap sampled at RESET_N negation."
      },
      {
        "number": "4",
        "name": "USBDP_DN2/PRT_DIS_P2",
        "type": "bidirectional",
        "description": "Downstream port 2 hi-speed USB D+ data, also a port disable strap; to disable use a 10 kΩ pull-up to 3.3 V."
      },
      {
        "number": "5",
        "name": "VDDA33",
        "type": "power_in",
        "description": "3.3 V analog power."
      },
      {
        "number": "6",
        "name": "USBDM_DN3/PRT_DIS_M3",
        "type": "bidirectional",
        "description": "Downstream port 3 hi-speed USB D- data, also a port disable strap sampled at RESET_N negation."
      },
      {
        "number": "7",
        "name": "USBDP_DN3/PRT_DIS_P3",
        "type": "bidirectional",
        "description": "Downstream port 3 hi-speed USB D+ data, also a port disable strap; to disable use a 10 kΩ pull-up to 3.3 V."
      },
      {
        "number": "8",
        "name": "USBDM_DN4/PRT_DIS_M4",
        "type": "bidirectional",
        "description": "Downstream port 4 hi-speed USB D- data, also a port disable strap sampled at RESET_N negation."
      },
      {
        "number": "9",
        "name": "USBDP_DN4/PRT_DIS_P4",
        "type": "bidirectional",
        "description": "Downstream port 4 hi-speed USB D+ data, also a port disable strap; to disable use a 10 kΩ pull-up to 3.3 V."
      },
      {
        "number": "10",
        "name": "VDDA33",
        "type": "power_in",
        "description": "3.3 V analog power."
      },
      {
        "number": "11",
        "name": "TEST",
        "type": "input",
        "description": "Test pin with internal pull-down; treat as no connect or connect to ground, and route no trace or signal to it."
      },
      {
        "number": "12",
        "name": "PRTPWR1/BC_EN1",
        "type": "bidirectional",
        "description": "Port 1 USB power enable output, also a battery charging strap (internal pull-down) sampled at RESET_N negation."
      },
      {
        "number": "13",
        "name": "OCS_N1",
        "type": "input",
        "description": "Over-current sense input for port 1 from an external current monitor, with internal pull-up."
      },
      {
        "number": "14",
        "name": "CRFILT",
        "type": "passive",
        "description": "Core regulator filter pin; can have up to a 0.1 µF low-ESR capacitor to VSS or be left unconnected."
      },
      {
        "number": "15",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3 V digital power."
      },
      {
        "number": "16",
        "name": "PRTPWR2/BC_EN2",
        "type": "bidirectional",
        "description": "Port 2 USB power enable output, also a battery charging strap (internal pull-down) sampled at RESET_N negation."
      },
      {
        "number": "17",
        "name": "OCS_N2",
        "type": "input",
        "description": "Over-current sense input for port 2 from an external current monitor, with internal pull-up."
      },
      {
        "number": "18",
        "name": "PRTPWR3/BC_EN3",
        "type": "bidirectional",
        "description": "Port 3 USB power enable output, also a battery charging strap (internal pull-down) sampled at RESET_N negation."
      },
      {
        "number": "19",
        "name": "OCS_N3",
        "type": "input",
        "description": "Over-current sense input for port 3 from an external current monitor, with internal pull-up."
      },
      {
        "number": "20",
        "name": "PRTPWR4/BC_EN4",
        "type": "bidirectional",
        "description": "Port 4 USB power enable output, also a battery charging strap (internal pull-down) sampled at RESET_N negation."
      },
      {
        "number": "21",
        "name": "OCS_N4",
        "type": "input",
        "description": "Over-current sense input for port 4 from an external current monitor, with internal pull-up."
      },
      {
        "number": "22",
        "name": "SDA/SMBDATA/NON_REM1",
        "type": "bidirectional",
        "description": "Serial data (I2C) or SMBus data signal, also the non-removable port 1 strap sampled with NON_REM0 at RESET_N negation (47-100 kΩ strap resistor)."
      },
      {
        "number": "23",
        "name": "VDD33",
        "type": "power_in",
        "description": "3.3 V digital power."
      },
      {
        "number": "24",
        "name": "SCL/SMBCLK/CFG_SEL0",
        "type": "bidirectional",
        "description": "Serial clock (I2C) or SMBus clock, also configuration select latched on RESET_N negation to choose the hub configuration method."
      },
      {
        "number": "25",
        "name": "HS_IND/CFG_SEL1",
        "type": "bidirectional",
        "description": "Hi-speed upstream port indicator (asserted when connected at HS), also configuration select 1 latched on RESET_N negation."
      },
      {
        "number": "26",
        "name": "RESET_N",
        "type": "input",
        "description": "Reset input; driving it low resets the chip, with a minimum active-low pulse of 1 µs."
      },
      {
        "number": "27",
        "name": "VBUS_DET",
        "type": "input",
        "description": "Detects upstream VBUS to control the internal D+ pull-up; connect via a 2:1 divider (two 100 kΩ suggested) to VBUS or to a host control output or 3.3 V domain for self-powered use."
      },
      {
        "number": "28",
        "name": "SUSP_IND/LOCAL_PWR/NON_REM0",
        "type": "bidirectional",
        "description": "Active/suspend status LED, local power detect (high = local power available) and non-removable port 0 strap sampled at RESET_N negation."
      },
      {
        "number": "29",
        "name": "VDDA33",
        "type": "power_in",
        "description": "3.3 V analog power."
      },
      {
        "number": "30",
        "name": "USBDM_UP",
        "type": "bidirectional",
        "description": "Upstream USB D- data; connect to the upstream USB bus (host, port or upstream hub)."
      },
      {
        "number": "31",
        "name": "USBDP_UP",
        "type": "bidirectional",
        "description": "Upstream USB D+ data; connect to the upstream USB bus (host, port or upstream hub)."
      },
      {
        "number": "32",
        "name": "XTALOUT",
        "type": "output",
        "description": "Crystal output with 1.2 V p-p and weak (<1 mA) drive; leave unconnected or use with caution when an external clock drives XTALIN/CLKIN."
      },
      {
        "number": "33",
        "name": "XTALIN/CLKIN",
        "type": "input",
        "description": "24 MHz crystal input, or external 24 MHz clock input when a crystal is not used."
      },
      {
        "number": "34",
        "name": "PLLFILT",
        "type": "passive",
        "description": "PLL regulator filter pin; can have up to a 0.1 µF low-ESR capacitor to VSS or be left unconnected."
      },
      {
        "number": "35",
        "name": "RBIAS",
        "type": "input",
        "description": "USB transceiver bias; attach a 12.0 kΩ (±1%) resistor from this pin to ground."
      },
      {
        "number": "36",
        "name": "VDDA33",
        "type": "power_in",
        "description": "3.3 V analog power."
      },
      {
        "number": "37",
        "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-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers were reconstructed from the garbled alphabetical pin list (Table 3-1). Column alignment ; The datasheet lists the legacy QFN and the preferred SQFN under the same pin list. The package drawi; Pin types for multifunction pins (PRTPWR/BC_EN, SDA, SCL, HS_IND, SUSP_IND) were set to bidirectiona",
          "4/37 pins cited to the wrong page (name found elsewhere): ['23:VDD33@p14', '25:HS_IND/CFG_SEL1@p13', '28:SUSP_IND/LOCAL_PWR/NON_REM0@p14', '34:PLLFILT@p14']"
        ],
        "pages_sent": 27,
        "cost_usd": 0.2441,
        "at": "2026-10-23T06:32:11"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/6c3e145f139571f448f841382155d3f0.pdf",
        "pages": 57,
        "sha256": "3fca1a17701a3fd5",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 37,
        "described": 37,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "usb2514b-aezc.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          6,
          0.77
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6212c4fd2463ccb7c6ae2c35f5e24c80884153fcaeaf8e86549c0e49087bc8bb",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "usb2514b-aezc-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": "c17a9ba41bdf870f62b526bc9228882702c5183fb644554a2f2de1ff83b5665a",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFN-36-EP(6x6)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "37"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "3fca1a17701a3fd513c867f4deab71887b317302ff7cbbc22310c1ddaa6bdaa9",
      "rows": [
        {
          "name": "3.3 V supply voltage (operating)",
          "symbol": "VDD33, VDDA33",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 3.6,
          "conditions": "Applies to all parts",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Extended commercial operating temperature",
          "symbol": "TAE",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 85,
          "conditions": "Ambient temperature in still air",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "3.3 V supply rise time",
          "symbol": "tRT33",
          "kind": "recommended_operating",
          "unit": "µs",
          "min": 0,
          "typ": null,
          "max": 400,
          "conditions": "See Figure 6-1 and Note 6-2",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Voltage on XTALIN (operating)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": null,
          "conditions": "Max is VDD33",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any I/O pin (operating)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 5.5,
          "conditions": "If any 3.3 V supply drops below 3.0 V, max becomes (3.3 V supply voltage) + 0.5",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "TSTOR",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "3.3 V supply voltage (absolute max)",
          "symbol": "VDD33, VDDA33",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 4.6,
          "conditions": "Applies to all packages",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any I/O pin (absolute max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Voltage on XTALIN (absolute max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Voltage on XTALOUT (absolute max)",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 2.5,
          "conditions": "",
          "source_page": 39,
          "source": "datasheet"
        },
        {
          "name": "Low input level (I, IS)",
          "symbol": "VILI",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "TTL Levels",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "High input level (I, IS)",
          "symbol": "VIHI",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "TTL Levels",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Input leakage (I, IS)",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "A",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VIN = 0 to VDD33",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis (IS only)",
          "symbol": "VHYSI",
          "kind": "electrical",
          "unit": "mV",
          "min": 250,
          "typ": null,
          "max": 350,
          "conditions": "",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Low input level (IPU)",
          "symbol": "VILI",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "TTL Levels",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "High input level (IPU)",
          "symbol": "VIHI",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "TTL Levels",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Low input leakage (IPU)",
          "symbol": "IILL",
          "kind": "electrical",
          "unit": "A",
          "min": 35,
          "typ": null,
          "max": 90,
          "conditions": "VIN = 0",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "High input leakage (IPU)",
          "symbol": "IIHL",
          "kind": "electrical",
          "unit": "A",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VIN = VDD33",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Low input level (IPD)",
          "symbol": "VILI",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "TTL Levels",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "High input level (IPD)",
          "symbol": "VIHI",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "TTL Levels",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Low input leakage (IPD)",
          "symbol": "IILL",
          "kind": "electrical",
          "unit": "A",
          "min": 10,
          "typ": null,
          "max": -10,
          "conditions": "VIN = 0",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "High input leakage (IPD)",
          "symbol": "IIHL",
          "kind": "electrical",
          "unit": "A",
          "min": -35,
          "typ": null,
          "max": -90,
          "conditions": "VIN = VDD33",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "ICLK low input level",
          "symbol": "VILCK",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "ICLK high input level",
          "symbol": "VIHCK",
          "kind": "electrical",
          "unit": "V",
          "min": 0.9,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "ICLK input leakage",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "A",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "VIN = 0 to VDD33",
          "source_page": 40,
          "source": "datasheet"
        },
        {
          "name": "Low output level (O12, I/O12, I/OSD12)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOL = 12 mA @ VDD33 = 3.3 V",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "High output level (O12, I/O12, I/OSD12)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "IOH = -12 mA @ VDD33 = 3.3 V",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Output leakage",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "A",
          "min": -10,
          "typ": null,
          "max": 10,
          "conditions": "",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Hysteresis (SD pad only)",
          "symbol": "IHYSC",
          "kind": "electrical",
          "unit": "mV",
          "min": 250,
          "typ": null,
          "max": 350,
          "conditions": "VIN = VDD33 (Note 6-1)",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Supply current unconfigured, Hi-Speed host (USB2514B)",
          "symbol": "ICCINTHS",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 45,
          "max": 50,
          "conditions": "",
          "source_page": 41,
          "source": "datasheet"
        },
        {
          "name": "Supply current unconfigured, Full-Speed host (USB2514B)",
          "symbol": "ICCINTFS",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
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