CY8C4146AXI-S443

{
  "schema_version": 1,
  "type": "component",
  "slug": "cy8c4146axi-s443",
  "title": "CY8C4146AXI-S443",
  "brief": "Cypress Semicon Pre-ordered Products, LQFP-44. 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",
    "electronic tools-instruments-consumables",
    "cy8c4146axi-s443",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CY8C4146AXI-S443",
    "manufacturer": "Cypress Semicon",
    "package": "LQFP-44",
    "pin_count": 44,
    "category": "Electronic Tools/Instruments/Consumables",
    "subcategory": "Pre-ordered Products",
    "datasheet": "https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/44/PSoC_4100S_Plus_RevH_9-14-18.pdf",
    "parts": {
      "symbol": "cy8c4146axi-s443.kicad_sym",
      "footprint": "cy8c4146axi-s443.kicad_mod",
      "model_3d": "cy8c4146axi-s443-hero.glb",
      "model_3d_plain": "cy8c4146axi-s443-etched.glb",
      "model_3d_step": "cy8c4146axi-s443-etched.step",
      "model_3d_step_plain": "cy8c4146axi-s443.step",
      "lbr": "cy8c4146axi-s443.lbr"
    },
    "distributor_links": {
      "lcsc": "C2948702",
      "digikey": "448-CY8C4146AXI-S443-ND",
      "mouser": "727-CY8C4146AXI-S443"
    },
    "distributor_check": {
      "checked_at": "2026-11-09T05:59:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "448-CY8C4146AXI-S443-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "727-CY8C4146AXI-S443",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VSSD",
        "type": "power_in",
        "description": "Ground pin for the digital section."
      },
      {
        "number": "2",
        "name": "P2.0",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 0 with analog sarmux[0], SmartIo[0].io[0], csd.comp, TCPWM line[4], and SCB1 I2C SCL/SPI MOSI functions."
      },
      {
        "number": "3",
        "name": "P2.1",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 1 with analog sarmux[1], SmartIo[0].io[1], TCPWM line_compl[4], and SCB1 I2C SDA/SPI MISO functions."
      },
      {
        "number": "4",
        "name": "P2.2",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 2 with analog sarmux[2], SmartIo[0].io[2], TCPWM line[5], and SCB1 SPI clock functions."
      },
      {
        "number": "5",
        "name": "P2.3",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 3 with analog sarmux[3], SmartIo[0].io[3], TCPWM line_compl[5], and SCB1 SPI select0 functions."
      },
      {
        "number": "6",
        "name": "P2.4",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 4 with analog sarmux[4], SmartIo[0].io[4], TCPWM line[0], and SCB3 UART RX / SCB1 SPI select1 functions."
      },
      {
        "number": "7",
        "name": "P2.5",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 5 with analog sarmux[5], SmartIo[0].io[5], TCPWM line_compl[0], and SCB3 UART TX / SCB1 SPI select2 functions."
      },
      {
        "number": "8",
        "name": "P2.6",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 6 with analog sarmux[6], SmartIo[0].io[6], TCPWM line[1], and SCB3 UART CTS / SCB1 SPI select3 functions."
      },
      {
        "number": "9",
        "name": "P2.7",
        "type": "bidirectional",
        "description": "GPIO port 2 bit 7 with analog sarmux[7], SmartIo[0].io[7], TCPWM line_compl[1], lpcomp.comp[0], and SCB3 UART RTS / SCB2 SPI MOSI functions."
      },
      {
        "number": "10",
        "name": "P6.0",
        "type": "bidirectional",
        "description": "GPIO port 6 bit 0 with TCPWM line[4], SCB3 UART RX/I2C SCL/SPI MOSI, and CAN tx_enb_n functions."
      },
      {
        "number": "11",
        "name": "P3.0",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 0 with SmartIo[1].io[0], TCPWM line[0], and SCB1 UART RX/I2C SCL/SPI MOSI functions."
      },
      {
        "number": "12",
        "name": "P3.1",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 1 with SmartIo[1].io[1], TCPWM line_compl[0], and SCB1 UART TX/I2C SDA/SPI MISO functions."
      },
      {
        "number": "13",
        "name": "P3.2",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 2 with SmartIo[1].io[2], TCPWM line[1], SCB1 UART CTS/SPI clock, and cpuss.swd_data (SWD data) functions."
      },
      {
        "number": "14",
        "name": "P3.3",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 3 with SmartIo[1].io[3], TCPWM line_compl[1], SCB1 UART RTS/SPI select0, and cpuss.swd_clk (SWD clock) functions."
      },
      {
        "number": "15",
        "name": "P3.4",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 4 with SmartIo[1].io[4], TCPWM line[2], tr_in[6], and SCB1 SPI select1 functions."
      },
      {
        "number": "16",
        "name": "P3.5",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 5 with SmartIo[1].io[5], TCPWM line_compl[2], and SCB1 SPI select2 functions."
      },
      {
        "number": "17",
        "name": "P3.6",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 6 with SmartIo[1].io[6], TCPWM line[3], and SCB1 SPI select3 functions."
      },
      {
        "number": "18",
        "name": "P3.7",
        "type": "bidirectional",
        "description": "GPIO port 3 bit 7 with SmartIo[1].io[7], TCPWM line_compl[3], lpcomp.comp[1], and SCB2 SPI MISO functions."
      },
      {
        "number": "19",
        "name": "VDDD",
        "type": "power_in",
        "description": "Power supply for the digital section."
      },
      {
        "number": "20",
        "name": "P4.0",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 0 with csd.vref_ext, SCB0 UART RX/I2C SCL/SPI MOSI, and CAN rx functions."
      },
      {
        "number": "21",
        "name": "P4.1",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 1 with csd.cshield, SCB0 UART TX/I2C SDA/SPI MISO, and CAN tx functions."
      },
      {
        "number": "22",
        "name": "P4.2",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 2 with csd.cmod, SCB0 UART CTS/SPI clock, CAN tx_enb_n, and lpcomp.comp[0] functions."
      },
      {
        "number": "23",
        "name": "P4.3",
        "type": "bidirectional",
        "description": "GPIO port 4 bit 3 with csd.csh_tank, SCB0 UART RTS/SPI select0, and lpcomp.comp[1] functions."
      },
      {
        "number": "24",
        "name": "P0.0",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 0 with low-power comparator input lpcomp.in_p[0], TCPWM trigger, and SCB2 UART CTS/I2C SCL functions."
      },
      {
        "number": "25",
        "name": "P0.1",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 1 with low-power comparator input lpcomp.in_n[0], TCPWM trigger, and SCB2 UART RTS/I2C SDA functions."
      },
      {
        "number": "26",
        "name": "P0.2",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 2 with low-power comparator input lpcomp.in_p[1] and SCB0 SPI select3 function."
      },
      {
        "number": "27",
        "name": "P0.3",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 3 with low-power comparator input lpcomp.in_n[1] and SCB2 SPI select0 function."
      },
      {
        "number": "28",
        "name": "P0.4",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 4 with watch crystal input wco.wco_in and SCB1/SCB2 UART RX/I2C SCL functions."
      },
      {
        "number": "29",
        "name": "P0.5",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 5 with watch crystal output wco.wco_out and SCB1/SCB2 UART TX/I2C SDA functions."
      },
      {
        "number": "30",
        "name": "P0.6",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 6 with external crystal input exco.eco_in, srss.ext_clk, and SCB1 UART CTS/SPI clock functions."
      },
      {
        "number": "31",
        "name": "P0.7",
        "type": "bidirectional",
        "description": "GPIO port 0 bit 7 with external crystal output exco.eco_out, TCPWM line[0], and SCB1 UART RTS/SPI select0 functions."
      },
      {
        "number": "32",
        "name": "XRES",
        "type": "input",
        "description": "External reset input pin."
      },
      {
        "number": "33",
        "name": "VCCD",
        "type": "power_out",
        "description": "Regulated digital supply (1.8 V ±5%)."
      },
      {
        "number": "34",
        "name": "VDDD",
        "type": "power_in",
        "description": "Power supply for the digital section."
      },
      {
        "number": "35",
        "name": "VDDA",
        "type": "power_in",
        "description": "Power supply for the analog section."
      },
      {
        "number": "36",
        "name": "VSSA",
        "type": "power_in",
        "description": "Ground pin for the analog section."
      },
      {
        "number": "37",
        "name": "P1.0",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 0 with opamp ctb0_oa0+, SmartIo[2].io[0], TCPWM line[2], and SCB0 UART RX/I2C SCL/SPI MOSI functions."
      },
      {
        "number": "38",
        "name": "P1.1",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 1 with opamp ctb0_oa0-, SmartIo[2].io[1], TCPWM line_compl[2], and SCB0 UART TX/I2C SDA/SPI MISO functions."
      },
      {
        "number": "39",
        "name": "P1.2",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 2 with opamp output ctb0_oa0_out, SmartIo[2].io[2], TCPWM line[3], and SCB0 UART CTS/SPI clock functions."
      },
      {
        "number": "40",
        "name": "P1.3",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 3 with opamp output ctb0_oa1_out, SmartIo[2].io[3], TCPWM line_compl[3], and SCB0 UART RTS/SPI select0 functions."
      },
      {
        "number": "41",
        "name": "P1.4",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 4 with opamp ctb0_oa1-, SmartIo[2].io[4], TCPWM line[6], and SCB3 I2C SCL functions."
      },
      {
        "number": "42",
        "name": "P1.5",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 5 with opamp ctb0_oa1+, SmartIo[2].io[5], TCPWM line_compl[6], and SCB3 I2C SDA functions."
      },
      {
        "number": "43",
        "name": "P1.6",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 6 with opamp ctb0_oa0+, SmartIo[2].io[6], TCPWM line[7], and SCB0 SPI select3 functions."
      },
      {
        "number": "44",
        "name": "P1.7",
        "type": "bidirectional",
        "description": "GPIO port 1 bit 7 with opamp ctb0_oa1+, sar_ext_vref0/1, SmartIo[2].io[7], TCPWM line_compl[7], and SCB2 SPI clock functions."
      }
    ],
    "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: The pin table text is flattened into columns, so the column assignment for a few rows is inferred. T; The datasheet text gives no pin type for the power pins. VCCD is typed power_out because it is a reg; The datasheet's package diagrams are not included in the supplied pages. The 44-TQFP (0.8-mm pitch) ",
          "1/44 pins cited to the wrong page (name found elsewhere): ['9:P2.7@p13']"
        ],
        "pages_sent": 13,
        "cost_usd": 0.1876,
        "at": "2026-11-09T05:59:15"
      },
      "datasheet": {
        "url": "https://mm.digikey.com/Volume0/opasdata/d220001/medias/docus/44/PSoC_4100S_Plus_RevH_9-14-18.pdf",
        "pages": 44,
        "sha256": "dbd64085f5f9728a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 44,
        "described": 44,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cy8c4146axi-s443.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "81aae6270b5c742bed79a8a35e9adf7fbed97c42e341e6b25ab20c1783b93b5d",
        "checked": "2026-11-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cy8c4146axi-s443-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.5
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "f695b748c33fd75ed3aaeff1356b4c84ee499f00fd2fafdb991e2adde5f3666e",
        "checked": "2026-11-09",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Cypress Semicon",
      "Package": "LQFP-44",
      "Category": "Electronic Tools/Instruments/Consumables",
      "Pins": "44"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "dbd64085f5f9728ad0b76ca5fae19cce858a4cbce2221c1abf699572fba320cd",
      "rows": [
        {
          "name": "Digital supply relative to VSS",
          "symbol": "VDDD_ABS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Direct digital core voltage input relative to VSS",
          "symbol": "VCCD_ABS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 1.95,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "GPIO voltage",
          "symbol": "VGPIO_ABS",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "max printed as VDD+0.5",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Maximum current per GPIO",
          "symbol": "IGPIO_ABS",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
          "max": 25,
          "conditions": "",
          "source_page": 15,
          "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": 15,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge human body model",
          "symbol": "ESD_HBM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 2200,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Electrostatic discharge charged device model",
          "symbol": "ESD_CDM",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": 500,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Pin current for latch-up",
          "symbol": "LU",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -140,
          "typ": null,
          "max": 140,
          "conditions": "",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Power supply input voltage",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.8,
          "typ": null,
          "max": 5.5,
          "conditions": "Internally regulated supply",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Power supply input voltage (VCCD = VDDD = VDDA)",
          "symbol": "VDD",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.71,
          "typ": null,
          "max": 1.89,
          "conditions": "Internally unregulated supply",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Active mode supply current, execute from flash, CPU at 6 MHz",
          "symbol": "IDD5",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.8,
          "max": 2.4,
          "conditions": "Execute from flash; CPU at 6 MHz",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Active mode supply current, execute from flash, CPU at 24 MHz",
          "symbol": "IDD8",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 4.6,
          "conditions": "Execute from flash; CPU at 24 MHz",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Active mode supply current, execute from flash, CPU at 48 MHz",
          "symbol": "IDD11",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5.4,
          "max": 7.1,
          "conditions": "Execute from flash; CPU at 48 MHz",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode supply current, regulator on",
          "symbol": "IDD17",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.1,
          "max": 1.8,
          "conditions": "Sleep, VDDD = 1.8 V to 5.5 V; I2C wakeup, WDT and comparators on; 6 MHz",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode supply current, regulator on",
          "symbol": "IDD20",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.5,
          "max": 2.1,
          "conditions": "Sleep, VDDD = 1.8 V to 5.5 V; I2C wakeup, WDT and comparators on; 12 MHz",
          "source_page": 15,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode supply current, regulator bypassed",
          "symbol": "IDD23",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.1,
          "max": 1.8,
          "conditions": "Sleep, VDDD = 1.71 V to 1.89 V; I2C wakeup, WDT and comparators on; 6 MHz",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Sleep mode supply current, regulator bypassed",
          "symbol": "IDD23A",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 1.5,
          "max": 2.1,
          "conditions": "Sleep, VDDD = 1.71 V to 1.89 V; I2C wakeup, WDT and comparators on; 12 MHz",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Deep Sleep supply current, VDD 1.8 V to 3.6 V",
          "symbol": "IDD25",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 40,
          "conditions": "Deep Sleep, VDD = 1.8 V to 3.6 V, regulator on; I2C wakeup and WDT on; T = -40 °C to 60 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Deep Sleep supply current, VDD 1.8 V to 3.6 V",
          "symbol": "IDD26",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 125,
          "conditions": "Deep Sleep, VDD = 1.8 V to 3.6 V, regulator on; I2C wakeup and WDT on; max at 3.6 V and 85 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Deep Sleep supply current, VDD 3.6 V to 5.5 V",
          "symbol": "IDD28",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 40,
          "conditions": "Deep Sleep, VDD = 3.6 V to 5.5 V, regulator on; I2C wakeup and WDT on; T = -40 °C to 60 °C",
          "source_page": 16,
          "source": "datasheet"
        },
        {
          "name": "Deep Sleep supply current, VDD 3.6 V to 5.5 V",
          "symbol": "IDD29",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2.5,
          "max": 125,
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