CY8C4014LQI-421T

{
  "schema_version": 1,
  "type": "component",
  "slug": "cy8c4014lqi-421t",
  "title": "CY8C4014LQI-421T",
  "brief": "Infineon Cypress Semicon Microcontrollers (MCU/MPU/SOC), QFN-16-EP(3x3). 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",
    "cy8c4014lqi-421t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CY8C4014LQI-421T",
    "manufacturer": "Infineon Cypress Semicon",
    "package": "QFN-16-EP(3x3)",
    "pin_count": 17,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Microcontrollers (MCU/MPU/SOC)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883582991405056",
    "parts": {
      "symbol": "cy8c4014lqi-421t.kicad_sym",
      "footprint": "cy8c4014lqi-421t.kicad_mod",
      "model_3d": "cy8c4014lqi-421t-hero.glb",
      "model_3d_plain": "cy8c4014lqi-421t-etched.glb",
      "model_3d_step": "cy8c4014lqi-421t-etched.step",
      "model_3d_step_plain": "cy8c4014lqi-421t.step",
      "lbr": "cy8c4014lqi-421t.lbr"
    },
    "distributor_links": {
      "lcsc": "C382039",
      "digikey": "448-CY8C4014LQI-421TTR-ND",
      "mouser": "727-CY8C4014LQI-421T"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T07:46:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "448-CY8C4014LQI-421TTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "727-CY8C4014LQI-421T",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P0.1/TRIN1/CMPO_0",
        "type": "bidirectional",
        "description": "Port 0 GPIO that can also serve as a CapSense sense/shield pin on the AMUXBUS, TCPWM trigger input TRIN1, or comparator output CMPO_0 (Sense Comp Out)."
      },
      {
        "number": "2",
        "name": "P0.2/TRIN2",
        "type": "bidirectional",
        "description": "Port 0 GPIO that can also serve as a CapSense sense/shield pin on the AMUXBUS or as TCPWM trigger input TRIN2."
      },
      {
        "number": "3",
        "name": "P0.4/TRIN4/CMPO_0/EXT_CLK",
        "type": "bidirectional",
        "description": "Port 0 GPIO that can also serve as TCPWM trigger input TRIN4, comparator output CMPO_0, external clock EXT_CLK, or CMOD capacitor connection."
      },
      {
        "number": "4",
        "name": "VCCD",
        "type": "power_out",
        "description": "Regulated digital supply of 1.8 V ±5%; in unregulated external supply mode it must be bypassed to ground with a 0.1 µF X5R ceramic or better capacitor, and in regulated external supply mode it is shorted to VDD."
      },
      {
        "number": "5",
        "name": "VDDIO",
        "type": "power_in",
        "description": "Separate voltage domain supply for P3.0, P3.1 and P3.2, which can run at a different voltage than VDD (for example 1.8 V with VDD at 3.3 V) with 1.71 V < VDDIO as shown in the power figures."
      },
      {
        "number": "6",
        "name": "VDD",
        "type": "power_in",
        "description": "Power supply for both analog and digital sections, 1.8 V to 5.5 V in unregulated external supply mode or 1.71 V to 1.89 V in regulated external supply mode, where VDD must never exceed 1.89 V in any condition including flash programming."
      },
      {
        "number": "7",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "8",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "Port 0 GPIO that can also serve as a CapSense sense or shield pin connected to AMUXBUS A or B."
      },
      {
        "number": "9",
        "name": "P1.1/OUT0",
        "type": "bidirectional",
        "description": "Port 1 GPIO that can also serve as TCPWM PWM output OUT0."
      },
      {
        "number": "10",
        "name": "P1.2/SCL",
        "type": "bidirectional",
        "description": "Port 1 GPIO used as I2C clock (SCL) in open-drain mode, compatible with I2C Standard-mode and Fast-mode (up to 400 kbps), and GPIO cells are not overvoltage tolerant."
      },
      {
        "number": "11",
        "name": "P1.3/SDA",
        "type": "bidirectional",
        "description": "Port 1 GPIO used as I2C data (SDA) in open-drain mode, compatible with I2C Standard-mode and Fast-mode, and GPIO cells are not overvoltage tolerant."
      },
      {
        "number": "12",
        "name": "P1.6/OVF0/UND0/nOUT0/CMPO_0",
        "type": "bidirectional",
        "description": "Port 1 GPIO that can also serve as TCPWM OVF0, UND0, complement output nOUT0, or comparator output CMPO_0 for internal reset, and it must not have a load to ground during POR (should be an output)."
      },
      {
        "number": "13",
        "name": "P1.7/MATCH/EXT_CLK",
        "type": "bidirectional",
        "description": "Port 1 GPIO that can also serve as match output MATCH or external clock EXT_CLK."
      },
      {
        "number": "14",
        "name": "P3.0/SDA/SWD_IO",
        "type": "bidirectional",
        "description": "Port 3 GPIO in the VDDIO voltage domain that can also serve as I2C data (SDA) or SWD I/O."
      },
      {
        "number": "15",
        "name": "P3.1/SCL/SWD_CLK",
        "type": "bidirectional",
        "description": "Port 3 GPIO in the VDDIO voltage domain that can also serve as I2C clock (SCL) or SWD clock."
      },
      {
        "number": "16",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "Port 3 GPIO in the VDDIO voltage domain that can also serve as TCPWM PWM output OUT0."
      },
      {
        "number": "17",
        "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 ordering table text is garbled. Using the column layout, CY8C4014LQI-421 (LQ = QFN) maps to the ; Table 1 prints pin 4 as 'VCC' for the 16-pin QFN, but Figure 6 and the power section label this pin ; Pin 4 type is set to power_out because the datasheet says VCCD is the internal regulator output in u",
          "exposed pad 17 added from the footprint"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1039,
        "at": "2026-10-19T07:46:42"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588883582991405056",
        "pages": 35,
        "sha256": "d8f010e7d78eade9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "sha256": "3eb81ffac423a66cdcfead8efe56401da171edaf1f2257049aad7b2d3900f6c8",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Infineon Cypress Semicon",
      "Package": "QFN-16-EP(3x3)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "17"
    },
    "characteristics": {
      "version": 1,
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          "name": "Digital supply voltage relative to VSS",
          "symbol": "VDD_ABS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Direct digital core voltage input relative to VSS",
          "symbol": "VCCD_ABS",
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          "typ": null,
          "max": 1.95,
          "conditions": "",
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        {
          "name": "Maximum current per GPIO",
          "symbol": "IGPIO_ABS",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "GPIO injection current",
          "symbol": "IGPIO_injection",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -0.5,
          "typ": null,
          "max": 0.5,
          "conditions": "Current injected per pin",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge human body model",
          "symbol": "ESD_HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 2200,
          "typ": null,
          "max": null,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge charged device model",
          "symbol": "ESD_CDM",
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          "unit": "V",
          "min": 500,
          "typ": null,
          "max": null,
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          "source": "datasheet"
        },
        {
          "name": "Pin current for latch-up",
          "symbol": "LU",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -140,
          "typ": null,
          "max": 140,
          "conditions": "",
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        },
        {
          "name": "Power supply input voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "With regulator enabled",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Power supply input voltage (VCCD = VDD)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": 1.89,
          "conditions": "Internally unregulated supply",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "VDDIO domain supply",
          "symbol": "VDDIO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Execute from flash; CPU at 6 MHz (Active mode)",
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          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 2.85,
          "conditions": "Active Mode, VDD = 1.8 to 5.5 V",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Execute from flash; CPU at 12 MHz (Active mode)",
          "symbol": "IDD8",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.2,
          "max": 3.75,
          "conditions": "Active Mode, VDD = 1.8 to 5.5 V",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "Execute from flash; CPU at 16 MHz (Active mode)",
          "symbol": "IDD11",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4,
          "max": 4.5,
          "conditions": "Active Mode, VDD = 1.8 to 5.5 V",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "I2C wakeup and WDT on (Deep Sleep, regulator on)",
          "symbol": "IDD26",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 8.2,
          "conditions": "Deep Sleep Mode, VDD = 1.8 to 3.6 V (Regulator on)",
          "source_page": 14,
          "source": "datasheet"
        },
        {
          "name": "I2C wakeup and WDT on (Deep Sleep, regulator on)",
          "symbol": "IDD29",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 12,
          "conditions": "Deep Sleep Mode, VDD = 3.6 to 5.5 V (Regulator on)",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "I2C wakeup and WDT on (Deep Sleep, regulator bypassed)",
          "symbol": "IDD32",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 9.2,
          "conditions": "Deep Sleep Mode, VDD = VCCD = 1.71 to 1.89 V (Regulator bypassed)",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Supply current while XRES asserted",
          "symbol": "IDD_XR",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 2,
          "max": 5,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "CPU frequency",
          "symbol": "FCPU",
          "kind": "electrical",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "1.71 VDD 5.5",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "External clock input frequency",
          "symbol": "ExtClkFreq",
          "kind": "electrical",
          "unit": "MHz",
          "min": 0,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Duty cycle",
          "symbol": "ExtClkDuty",
          "kind": "electrical",
          "unit": "%",
          "min": 45,
          "typ": null,
          "max": 55,
          "conditions": "measured at VDD/2",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "System clock source switching time",
          "symbol": "TCLKSWITCH",
          "kind": "timing",
          "unit": "Periods",
          "min": 3,
          "typ": null,
          "max": 4,
          "conditions": "",
          "source_page": 22,
          "source": "datasheet"
        },
        {
          "name": "Input voltage high threshold (LVTTL input, VDD ≥ 2.7 V)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "LVTTL input, VDD ≥ 2.7 V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Input voltage low threshold (LVTTL input, VDD ≥ 2.7 V)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "LVTTL input, VDD ≥ 2.7 V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Output voltage low level",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.6,
          "conditions": "IOL = 4 mA at 1.8 V VDD",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Output voltage low level",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOL = 3 mA at 3 V VDD",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Pull-up resistor",
          "symbol": "RPULLUP",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 3.5,
          "typ": 5.6,
          "max": 8.5,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Pull-down resistor",
          "symbol": "RPULLDOWN",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 3.5,
          "typ": 5.6,
          "max": 8.5,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current (absolute value)",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "25 °C, VDD = 3.0 V",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 3,
          "max": 7,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        }
      ]
    }
  },
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  "discovery_triggers": [
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  "discovery_pitch": "CY8C4014LQI-421T (Infineon Cypress Semicon) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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