main
Ray Set visibility: public 8e2c119
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{
  "schema_version": 1,
  "type": "component",
  "slug": "cy8c27443-24pvxit",
  "title": "CY8C27443-24PVXIT",
  "brief": "Cypress Semicon CYPRESS, SSOP-28-208mil. 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",
    "cy8c27443-24pvxit",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CY8C27443-24PVXIT",
    "manufacturer": "Cypress Semicon",
    "package": "SSOP-28-208mil",
    "pin_count": 28,
    "category": "Embedded Processors & Controllers",
    "subcategory": "CYPRESS",
    "datasheet": "https://www.cypress.com/file/134906/download",
    "parts": {
      "symbol": "cy8c27443-24pvxit.kicad_sym",
      "footprint": "cy8c27443-24pvxit.kicad_mod",
      "model_3d": "cy8c27443-24pvxit-hero.glb",
      "model_3d_plain": "cy8c27443-24pvxit-etched.glb",
      "model_3d_step": "cy8c27443-24pvxit-etched.step",
      "model_3d_step_plain": "cy8c27443-24pvxit.step",
      "lbr": "cy8c27443-24pvxit.lbr"
    },
    "distributor_links": {
      "lcsc": "C2759933",
      "digikey": "448-CY8C27443-24PVXITTR-ND",
      "mouser": "727-CY8C2744324PVXIT"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T01:43:50Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "448-CY8C27443-24PVXITTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "727-CY8C2744324PVXIT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "P0[7]",
        "type": "bidirectional",
        "description": "Analog column mux input on GPIO port 0 bit 7."
      },
      {
        "number": "2",
        "name": "P0[5]",
        "type": "bidirectional",
        "description": "Analog column mux input and column output on GPIO port 0 bit 5."
      },
      {
        "number": "3",
        "name": "P0[3]",
        "type": "bidirectional",
        "description": "Analog column mux input and column output on GPIO port 0 bit 3."
      },
      {
        "number": "4",
        "name": "P0[1]",
        "type": "bidirectional",
        "description": "Analog column mux input on GPIO port 0 bit 1."
      },
      {
        "number": "5",
        "name": "P2[7]",
        "type": "bidirectional",
        "description": "General-purpose digital I/O pin P2[7]; the datasheet lists no additional analog or special function for this pin."
      },
      {
        "number": "6",
        "name": "P2[5]",
        "type": "bidirectional",
        "description": "General-purpose digital I/O pin P2[5]; the datasheet lists no additional analog or special function for this pin."
      },
      {
        "number": "7",
        "name": "P2[3]",
        "type": "bidirectional",
        "description": "Direct switched capacitor block input on GPIO port 2 bit 3."
      },
      {
        "number": "8",
        "name": "P2[1]",
        "type": "bidirectional",
        "description": "Direct switched capacitor block input on GPIO port 2 bit 1."
      },
      {
        "number": "9",
        "name": "SMP",
        "type": "power_out",
        "description": "Switch mode pump connection that requires external components."
      },
      {
        "number": "10",
        "name": "P1[7]",
        "type": "bidirectional",
        "description": "I2C SCL on GPIO port 1 bit 7."
      },
      {
        "number": "11",
        "name": "P1[5]",
        "type": "bidirectional",
        "description": "I2C SDA on GPIO port 1 bit 5."
      },
      {
        "number": "12",
        "name": "P1[3]",
        "type": "bidirectional",
        "description": "General-purpose digital I/O pin P1[3]; the datasheet lists no additional function for this pin."
      },
      {
        "number": "13",
        "name": "P1[1]",
        "type": "bidirectional",
        "description": "Crystal input (XTALin), I2C SCL and ISSP-SCLK; the ISSP pins are not High Z at POR."
      },
      {
        "number": "14",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground connection."
      },
      {
        "number": "15",
        "name": "P1[0]",
        "type": "bidirectional",
        "description": "Crystal output (XTALout), I2C SDA and ISSP-SDATA; the ISSP pins are not High Z at POR."
      },
      {
        "number": "16",
        "name": "P1[2]",
        "type": "bidirectional",
        "description": "General-purpose digital I/O pin P1[2]; the datasheet lists no additional function for this pin."
      },
      {
        "number": "17",
        "name": "P1[4]",
        "type": "bidirectional",
        "description": "Optional external clock input (EXTCLK)."
      },
      {
        "number": "18",
        "name": "P1[6]",
        "type": "bidirectional",
        "description": "General-purpose digital I/O pin P1[6]; the datasheet lists no additional function for this pin."
      },
      {
        "number": "19",
        "name": "XRES",
        "type": "input",
        "description": "Active high external reset with internal pull down."
      },
      {
        "number": "20",
        "name": "P2[0]",
        "type": "bidirectional",
        "description": "Direct switched capacitor block input on GPIO port 2 bit 0."
      },
      {
        "number": "21",
        "name": "P2[2]",
        "type": "bidirectional",
        "description": "Direct switched capacitor block input on GPIO port 2 bit 2."
      },
      {
        "number": "22",
        "name": "P2[4]",
        "type": "bidirectional",
        "description": "External analog ground (AGND) connection."
      },
      {
        "number": "23",
        "name": "P2[6]",
        "type": "bidirectional",
        "description": "External voltage reference (VREF) connection."
      },
      {
        "number": "24",
        "name": "P0[0]",
        "type": "bidirectional",
        "description": "Analog column mux input on GPIO port 0 bit 0."
      },
      {
        "number": "25",
        "name": "P0[2]",
        "type": "bidirectional",
        "description": "Analog column mux input and column output on GPIO port 0 bit 2."
      },
      {
        "number": "26",
        "name": "P0[4]",
        "type": "bidirectional",
        "description": "Analog column mux input and column output on GPIO port 0 bit 4."
      },
      {
        "number": "27",
        "name": "P0[6]",
        "type": "bidirectional",
        "description": "Analog column mux input on GPIO port 0 bit 6."
      },
      {
        "number": "28",
        "name": "VDD",
        "type": "power_in",
        "description": "Supply voltage; the datasheet specifies VDD from 3.00 V to 5.25 V."
      }
    ],
    "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 MPN CY8C27443-24PVXIT is the 28-pin (210-Mil) SSOP tape-and-reel variant per the ordering table ; Pins 5, 6, 12, 16 and 18 have no function listed beyond the port name in the datasheet pinout table,"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0459,
        "at": "2026-10-27T01:43:30"
      },
      "datasheet": {
        "url": "https://www.cypress.com/file/134906/download",
        "pages": 69,
        "sha256": "e9e6a6d181dc0113",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 28,
        "described": 28,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cy8c27443-24pvxit.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "7aa76979ae41da44bded1ed74115012868f2f3f5a757faf32bb9df4f92c1e313",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cy8c27443-24pvxit-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          10.2,
          2.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "fa9ed9b80c16983a71f0fa8941b6350bf45ed0f9ad3816d2d865c70f9f2ae41f",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Cypress Semicon",
      "Package": "SSOP-28-208mil",
      "Category": "Embedded Processors & Controllers",
      "Pins": "28"
    },
    "appearance": {
      "housing": {
        "quote": "The emulator consists of a base unit that connects to the PC",
        "page": 7,
        "doc": "ds.pdf",
        "material": "PC"
      },
      "version": 1,
      "datasheet_sha256": "e9e6a6d181dc011335cb8572329a8d2d88724fb5338036f81a62649030ce72ff"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "e9e6a6d181dc011335cb8572329a8d2d88724fb5338036f81a62649030ce72ff",
      "rows": [
        {
          "name": "Storage temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": 25,
          "max": 100,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature with power applied",
          "symbol": "TA",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "Ambient temperature with power applied",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage on VDD relative to Vss",
          "symbol": "VDD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "Supply voltage on VDD relative to Vss",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Maximum current into any port pin",
          "symbol": "IMIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 50,
          "conditions": "Maximum current into any port pin",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Maximum current into any port pin configured as analog driver",
          "symbol": "IMAIO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "Maximum current into any port pin configured as analog driver",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge voltage",
          "symbol": "ESD",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 2000,
          "typ": null,
          "max": null,
          "conditions": "Human body model ESD.",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Latch-up current",
          "symbol": "LU",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 19,
          "source": "datasheet"
        },
        {
          "name": "Ambient temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "TJ",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 100,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 5.25,
          "conditions": "",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IDD",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5,
          "max": 8,
          "conditions": "VDD = 5.0 V, TA = 25 °C, CPU = 3 MHz, SYSCLK doubler disabled. VC1 = 1.5 MHz, VC2 = 93.75 kHz, VC3 = 93.75 kHz.",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "IDD3",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.3,
          "max": 6,
          "conditions": "VDD = 3.3 V, TA = 25 °C, CPU = 3 MHz, SYSCLK doubler disabled. VC1 = 1.5 MHz, VC2 = 93.75 kHz, VC3 = 93.75 kHz.",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Sleep (Mode) current with POR, LVD, sleep timer, and WDT",
          "symbol": "ISB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 3,
          "max": 6.5,
          "conditions": "Internal slow speed oscillator, VDD = 3.3 V, -40 °C ≤ TA ≤ 55 °C.",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Sleep (Mode) current with POR, LVD, sleep timer, and WDT at high temperature",
          "symbol": "ISBH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 4,
          "max": 25,
          "conditions": "Internal slow speed oscillator, VDD = 3.3 V, 55 °C < TA ≤ 85 °C.",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Sleep (Mode) current with POR, LVD, sleep timer, WDT, and external crystal",
          "symbol": "ISBXTL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 4,
          "max": 7.5,
          "conditions": "Properly loaded, 1 µW max, 32.768 kHz crystal. VDD = 3.3 V, -40 °C ≤ TA ≤ 55 °C.",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Sleep (Mode) current with POR, LVD, sleep timer, WDT, and external crystal at high temperature",
          "symbol": "ISBXTLH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 26,
          "conditions": "Properly loaded, 1 µW max, 32.768 kHz crystal. VDD = 3.3 V, 55 °C < TA ≤ 85 °C.",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage (Bandgap) for Silicon A",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.275,
          "typ": 1.3,
          "max": 1.325,
          "conditions": "Trimmed for appropriate VDD.",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Reference voltage (Bandgap) for Silicon B",
          "symbol": "VREF",
          "kind": "electrical",
          "unit": "V",
          "min": 1.28,
          "typ": 1.3,
          "max": 1.32,
          "conditions": "Trimmed for appropriate VDD.",
          "source_page": 20,
          "source": "datasheet"
        },
        {
          "name": "Pull-up resistor",
          "symbol": "RPU",
          "kind": "electrical",
          "unit": "k",
          "min": 4,
          "typ": 5.6,
          "max": 8,
          "conditions": "",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Pull-down resistor",
          "symbol": "RPD",
          "kind": "electrical",
          "unit": "k",
          "min": 4,
          "typ": 5.6,
          "max": 8,
          "conditions": "",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Low output level",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.75,
          "conditions": "IOL = 25 mA, VDD = 4.75 to 5.25 V",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "High-level source current",
          "symbol": "IOH",
          "kind": "electrical",
          "unit": "mA",
          "min": 10,
          "typ": null,
          "max": null,
          "conditions": "VOH = VDD – 1.0 V",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Low-level sink current",
          "symbol": "IOL",
          "kind": "electrical",
          "unit": "mA",
          "min": 25,
          "typ": null,
          "max": null,
          "conditions": "VOL = 0.75 V",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Input low level",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VDD = 3.0 to 5.25",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Input high level",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.1,
          "typ": null,
          "max": null,
          "conditions": "VDD = 3.0 to 5.25",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Capacitive load on pins as input",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 3.5,
          "max": 10,
          "conditions": "Package and pin dependent. Temp = 25 °C.",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Capacitive load on pins as output",
          "symbol": "COUT",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 3.5,
          "max": 10,
          "conditions": "Package and pin dependent. Temp = 25 °C.",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Input offset voltage (absolute value)",
          "symbol": "VOSOA",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": 1.6,
          "max": 10,
          "conditions": "Power = low, Opamp bias = low",
          "source_page": 21,
          "source": "datasheet"
        },
        {
          "name": "Average input offset voltage drift",
          "symbol": "TCVOSOA",
          "kind": "temperature_coefficient",
          "unit": "µV/°C",
          "min": null,
          "typ": 4,
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          "min": 60,
          "typ": null,
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          "min": 60,
          "typ": null,
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          "min": 80,
          "typ": null,
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          "min": null,
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          "min": null,
          "typ": 150,
          "max": 200,
          "conditions": "Power = low, Opamp bias = low",
          "source_page": 22,
          "source": "datasheet"
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        {
          "name": "Supply current (including associated AGND buffer)",
          "symbol": "ISOA",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 300,
          "max": 400,
          "conditions": "Power = low, Opamp bias = high",
          "source_page": 22,
          "source": "datasheet"
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          "min": null,
          "typ": 600,
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          "source": "datasheet"
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          "source": "datasheet"
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          "min": null,
          "typ": 4600,
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          "conditions": "Vss ≤ VIN ≤ (VDD – 2.25) or (VDD – 1.25 V) ≤ VIN ≤ VDD.",
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          "typ": 60,
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          "min": null,
          "typ": 1,
          "max": null,
          "conditions": "Gross tested to 1 µA.",
          "source_page": 21,
          "source": "datasheet"
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          "name": "Input leakage current (port 0 analog pins)",
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          "kind": "electrical",
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          "min": null,
          "typ": 20,
          "max": null,
          "conditions": "Gross tested to 1 µA.",
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          "source": "datasheet"
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          "kind": "absolute_maximum",
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          "min": null,
          "typ": 125,
          "max": null,
          "conditions": "See package label.",
          "source_page": 19,
          "source": "datasheet"
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