XC3S500E-4PQG208C

{
  "slug": "xc3s500e-4pqg208c",
  "version": "0.1.0",
  "type": "component",
  "description": "AMD XILINX Programmable Logic Device (CPLDs/FPGAs), PQFP-208. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "embedded processors & controllers",
    "xc3s500e-4pqg208c",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
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  "files": [
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    "README.md",
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    "docs/xc3s500e-4pqg208c-datasheet.pdf",
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  "component": {
    "mpn": "XC3S500E-4PQG208C",
    "manufacturer": "AMD XILINX",
    "package": "PQFP-208",
    "pin_count": 208,
    "category": "Embedded Processors & Controllers",
    "subcategory": "Programmable Logic Device (CPLDs/FPGAs)",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226762702888960",
    "parts": {
      "symbol": "xc3s500e-4pqg208c.kicad_sym",
      "footprint": "xc3s500e-4pqg208c.kicad_mod",
      "model_3d": "xc3s500e-4pqg208c-hero.glb",
      "model_3d_plain": "xc3s500e-4pqg208c-etched.glb",
      "model_3d_step": "xc3s500e-4pqg208c-etched.step",
      "model_3d_step_plain": "xc3s500e-4pqg208c.step",
      "lbr": "xc3s500e-4pqg208c.lbr"
    },
    "distributor_links": {
      "lcsc": "C2976019",
      "digikey": "122-1520-ND",
      "mouser": "217-C3S500E-4PQG208C"
    },
    "distributor_check": {
      "checked_at": "2026-10-21T01:56:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "122-1520-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "217-C3S500E-4PQG208C",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "PROG_B",
        "type": "input",
        "description": "Active-Low program input; asserting it Low for 500 ns or longer restarts configuration, and an external 4.7 kΩ pull-up to 2.5V is recommended."
      },
      {
        "number": "2",
        "name": "IO_L01P_3",
        "type": "bidirectional",
        "description": "Differential pair L01 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "3",
        "name": "IO_L01N_3",
        "type": "bidirectional",
        "description": "Differential pair L01 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "4",
        "name": "IO_L02P_3",
        "type": "bidirectional",
        "description": "Differential pair L02 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "5",
        "name": "IO_L02N_3/VREF_3",
        "type": "bidirectional",
        "description": "Differential pair L02 inverted-line user I/O that serves as a VREF input for Bank 3; all VREF pins in the bank must be connected if used as a reference."
      },
      {
        "number": "6",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "7",
        "name": "VCCAUX",
        "type": "power_in",
        "description": "Auxiliary supply pin that must be connected to +2.5V."
      },
      {
        "number": "8",
        "name": "IO_L03P_3",
        "type": "bidirectional",
        "description": "Differential pair L03 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "9",
        "name": "IO_L03N_3",
        "type": "bidirectional",
        "description": "Differential pair L03 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "11",
        "name": "IO_L04P_3",
        "type": "bidirectional",
        "description": "Differential pair L04 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "12",
        "name": "IO_L04N_3",
        "type": "bidirectional",
        "description": "Differential pair L04 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "13",
        "name": "VCCINT",
        "type": "power_in",
        "description": "Internal core logic supply pin that must be connected to +1.2V."
      },
      {
        "number": "14",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "15",
        "name": "IO_L05P_3",
        "type": "bidirectional",
        "description": "Differential pair L05 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "16",
        "name": "IO_L05N_3",
        "type": "bidirectional",
        "description": "Differential pair L05 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "18",
        "name": "IO_L06P_3",
        "type": "bidirectional",
        "description": "Differential pair L06 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "19",
        "name": "IO_L06N_3",
        "type": "bidirectional",
        "description": "Differential pair L06 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "20",
        "name": "IP/VREF_3",
        "type": "input",
        "description": "Input-only pin that is also a VREF input for Bank 3; all VREF pins in the bank must be connected if a reference voltage is used."
      },
      {
        "number": "21",
        "name": "VCCO_3",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 3; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "22",
        "name": "IO_L07P_3/LHCLK0",
        "type": "bidirectional",
        "description": "Left-half clock input LHCLK0 that is also a differential true-line user I/O in Bank 3."
      },
      {
        "number": "23",
        "name": "IO_L07N_3/LHCLK1",
        "type": "bidirectional",
        "description": "Left-half clock input LHCLK1 that is also a differential inverted-line user I/O in Bank 3."
      },
      {
        "number": "24",
        "name": "IO_L08P_3/LHCLK2",
        "type": "bidirectional",
        "description": "Left-half clock input LHCLK2 that is also a differential true-line user I/O in Bank 3."
      },
      {
        "number": "25",
        "name": "IO_L08N_3/LHCLK3",
        "type": "bidirectional",
        "description": "Left-half clock input LHCLK3 that is also a differential inverted-line user I/O in Bank 3."
      },
      {
        "number": "26",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "27",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "28",
        "name": "IO_L09P_3/LHCLK4",
        "type": "bidirectional",
        "description": "Left-half clock input LHCLK4 that is also a differential true-line user I/O in Bank 3."
      },
      {
        "number": "29",
        "name": "IO_L09N_3/LHCLK5",
        "type": "bidirectional",
        "description": "Left-half clock input LHCLK5 that is also a differential inverted-line user I/O in Bank 3."
      },
      {
        "number": "30",
        "name": "IO_L10P_3/LHCLK6",
        "type": "bidirectional",
        "description": "Left-half clock input LHCLK6 that is also a differential true-line user I/O in Bank 3."
      },
      {
        "number": "31",
        "name": "IO_L10N_3/LHCLK7",
        "type": "bidirectional",
        "description": "Left-half clock input LHCLK7 that is also a differential inverted-line user I/O in Bank 3."
      },
      {
        "number": "32",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "33",
        "name": "IO_L11P_3",
        "type": "bidirectional",
        "description": "Differential pair L11 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "34",
        "name": "IO_L11N_3",
        "type": "bidirectional",
        "description": "Differential pair L11 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "35",
        "name": "IO_L12P_3",
        "type": "bidirectional",
        "description": "Differential pair L12 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "36",
        "name": "IO_L12N_3",
        "type": "bidirectional",
        "description": "Differential pair L12 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "37",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "38",
        "name": "VCCO_3",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 3; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "39",
        "name": "IO_L13P_3",
        "type": "bidirectional",
        "description": "Differential pair L13 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "40",
        "name": "IO_L13N_3",
        "type": "bidirectional",
        "description": "Differential pair L13 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "41",
        "name": "IO_L14P_3",
        "type": "bidirectional",
        "description": "Differential pair L14 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "42",
        "name": "IO_L14N_3",
        "type": "bidirectional",
        "description": "Differential pair L14 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "43",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "44",
        "name": "VCCAUX",
        "type": "power_in",
        "description": "Auxiliary supply pin that must be connected to +2.5V."
      },
      {
        "number": "45",
        "name": "IO/VREF_3",
        "type": "bidirectional",
        "description": "General-purpose user I/O that is also a VREF reference input for Bank 3; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "46",
        "name": "VCCO_3",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 3; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "47",
        "name": "IO_L15P_3",
        "type": "bidirectional",
        "description": "Differential pair L15 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "48",
        "name": "IO_L15N_3",
        "type": "bidirectional",
        "description": "Differential pair L15 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "49",
        "name": "IO_L16P_3",
        "type": "bidirectional",
        "description": "Differential pair L16 true-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "50",
        "name": "IO_L16N_3",
        "type": "bidirectional",
        "description": "Differential pair L16 inverted-line general-purpose user I/O in Bank 3."
      },
      {
        "number": "51",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "52",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "53",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "54",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin in Bank 2 with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "55",
        "name": "IO_L01P_2/CSO_B",
        "type": "bidirectional",
        "description": "Dual-purpose CSO_B chip-select output (Active Low) during configuration, then a user I/O after configuration."
      },
      {
        "number": "56",
        "name": "IO_L01N_2/INIT_B",
        "type": "bidirectional",
        "description": "Open-drain INIT_B initialization indicator (Active Low) during configuration; drive High if unused as user I/O."
      },
      {
        "number": "57",
        "name": "IP_L02P_2",
        "type": "input",
        "description": "Input-only true-line pin of differential pair L02 in Bank 2; on-chip differential termination is not available on dedicated inputs."
      },
      {
        "number": "58",
        "name": "IP_L02N_2",
        "type": "input",
        "description": "Input-only inverted-line pin of differential pair L02 in Bank 2; on-chip differential termination is not available on dedicated inputs."
      },
      {
        "number": "59",
        "name": "VCCO_2",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 2, which must match the configuration source voltage and is an input to the Power-On Reset circuit."
      },
      {
        "number": "60",
        "name": "IO_L03P_2/DOUT/BUSY",
        "type": "bidirectional",
        "description": "Dual-purpose DOUT/BUSY pin that drives daisy-chain serial data or BUSY status during configuration, then is a user I/O."
      },
      {
        "number": "61",
        "name": "IO_L03N_2/MOSI/CSI_B",
        "type": "bidirectional",
        "description": "Dual-purpose MOSI (SPI) or CSI_B chip-select input (must be Low throughout parallel configuration), then a user I/O."
      },
      {
        "number": "62",
        "name": "IO_L04P_2",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L04 true line in Bank 2."
      },
      {
        "number": "63",
        "name": "IO_L04N_2",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L04 inverted line in Bank 2."
      },
      {
        "number": "64",
        "name": "IO_L05P_2",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L05 true line in Bank 2."
      },
      {
        "number": "65",
        "name": "IO_L05N_2",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L05 inverted line in Bank 2."
      },
      {
        "number": "66",
        "name": "VCCAUX",
        "type": "power_in",
        "description": "Auxiliary supply pin that must be connected to +2.5V."
      },
      {
        "number": "67",
        "name": "VCCINT",
        "type": "power_in",
        "description": "Internal core logic supply pin that must be connected to +1.2V."
      },
      {
        "number": "68",
        "name": "IO_L06P_2",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L06 true line in Bank 2."
      },
      {
        "number": "69",
        "name": "IO_L06N_2",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L06 inverted line in Bank 2."
      },
      {
        "number": "70",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "71",
        "name": "IP_L07P_2",
        "type": "input",
        "description": "Input-only true-line pin of differential pair L07 in Bank 2."
      },
      {
        "number": "72",
        "name": "IP_L07N_2/VREF_2",
        "type": "input",
        "description": "Input-only inverted-line pin that is also a VREF input for Bank 2; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "73",
        "name": "VCCO_2",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 2; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "74",
        "name": "IO_L08P_2/D7/GCLK12",
        "type": "bidirectional",
        "description": "Dual-purpose D7 configuration data bit and global clock input GCLK12, usable as user I/O after configuration."
      },
      {
        "number": "75",
        "name": "IO_L08N_2/D6/GCLK13",
        "type": "bidirectional",
        "description": "Dual-purpose D6 configuration data bit and global clock input GCLK13, usable as user I/O after configuration."
      },
      {
        "number": "76",
        "name": "IO/D5",
        "type": "bidirectional",
        "description": "Dual-purpose D5 configuration data bit used in parallel modes, then a user I/O."
      },
      {
        "number": "77",
        "name": "IO_L09P_2/D4/GCLK14",
        "type": "bidirectional",
        "description": "Dual-purpose D4 configuration data bit and global clock input GCLK14, usable as user I/O after configuration."
      },
      {
        "number": "78",
        "name": "IO_L09N_2/D3/GCLK15",
        "type": "bidirectional",
        "description": "Dual-purpose D3 configuration data bit and global clock input GCLK15, usable as user I/O after configuration."
      },
      {
        "number": "79",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "80",
        "name": "IP_L10P_2/RDWR_B/GCLK0",
        "type": "bidirectional",
        "description": "Dual-purpose RDWR_B read/write control (must be Low during configuration) and global clock input GCLK0."
      },
      {
        "number": "81",
        "name": "IP_L10N_2/M2/GCLK1",
        "type": "bidirectional",
        "description": "Dual-purpose M2 mode-select pin sampled when INIT_B goes High, shared with global clock input GCLK1 (design note: avoid using GCLK1 as a clock)."
      },
      {
        "number": "82",
        "name": "IO_L11P_2/D2/GCLK2",
        "type": "bidirectional",
        "description": "Dual-purpose D2 configuration data bit and global clock input GCLK2, usable as user I/O after configuration."
      },
      {
        "number": "83",
        "name": "IO_L11N_2/D1/GCLK3",
        "type": "bidirectional",
        "description": "Dual-purpose D1 configuration data bit and global clock input GCLK3, usable as user I/O after configuration."
      },
      {
        "number": "84",
        "name": "IO/M1",
        "type": "input",
        "description": "Dual-purpose M1 mode-select pin that must be at a defined level when INIT_B goes High, then a user I/O."
      },
      {
        "number": "85",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "86",
        "name": "IO_L12P_2/M0",
        "type": "input",
        "description": "Dual-purpose M0 mode-select pin that must be at a defined level when INIT_B goes High, then a user I/O."
      },
      {
        "number": "87",
        "name": "IO_L12N_2/DIN/D0",
        "type": "input",
        "description": "Dual-purpose DIN/D0 serial configuration data input, then a user I/O after configuration."
      },
      {
        "number": "88",
        "name": "VCCO_2",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 2; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "89",
        "name": "IO_L13P_2",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L13 true line in Bank 2."
      },
      {
        "number": "90",
        "name": "IO_L13N_2",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L13 inverted line in Bank 2."
      },
      {
        "number": "91",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "92",
        "name": "VCCAUX",
        "type": "power_in",
        "description": "Auxiliary supply pin that must be connected to +2.5V."
      },
      {
        "number": "93",
        "name": "IO_L14P_2/A23",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A23 used in parallel Flash configuration, then a user I/O."
      },
      {
        "number": "94",
        "name": "IO_L14N_2/A22",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A22 used in parallel Flash configuration, then a user I/O."
      },
      {
        "number": "95",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "96",
        "name": "IO_L15P_2/A21",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A21 used in parallel Flash configuration, then a user I/O."
      },
      {
        "number": "97",
        "name": "IO_L15N_2/A20",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A20 used in parallel Flash configuration, then a user I/O."
      },
      {
        "number": "98",
        "name": "IO/VREF_2",
        "type": "bidirectional",
        "description": "General-purpose user I/O that is also a VREF input for Bank 2; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "99",
        "name": "IO_L16P_2/VS2/A19",
        "type": "bidirectional",
        "description": "Dual-purpose SPI variant-select VS2 (sampled when INIT_B goes High) and BPI address line A19, then a user I/O."
      },
      {
        "number": "100",
        "name": "IO_L16N_2/VS1/A18",
        "type": "bidirectional",
        "description": "Dual-purpose SPI variant-select VS1 (sampled when INIT_B goes High) and BPI address line A18, then a user I/O."
      },
      {
        "number": "101",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "102",
        "name": "IO_L17P_2/VS0/A17",
        "type": "bidirectional",
        "description": "Dual-purpose SPI variant-select VS0 (sampled when INIT_B goes High) and BPI address line A17, then a user I/O."
      },
      {
        "number": "103",
        "name": "IO_L17N_2/CCLK",
        "type": "bidirectional",
        "description": "Dual-purpose configuration clock CCLK, driven by the FPGA in master modes and an input in slave modes, then a user I/O."
      },
      {
        "number": "104",
        "name": "DONE",
        "type": "bidirectional",
        "description": "Open-drain configuration DONE indicator that goes High when configuration completes and requires an external 330 Ω pull-up to 2.5V."
      },
      {
        "number": "105",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "106",
        "name": "IO_L01P_1/A16",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A16 used in parallel Flash configuration, then a user I/O (differential pair L01 true line)."
      },
      {
        "number": "107",
        "name": "IO_L01N_1/A15",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A15 used in parallel Flash configuration, then a user I/O (differential pair L01 inverted line)."
      },
      {
        "number": "108",
        "name": "IO_L02P_1/A14",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A14 used in parallel Flash configuration, then a user I/O (differential pair L02 true line)."
      },
      {
        "number": "109",
        "name": "IO_L02N_1/A13",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A13 used in parallel Flash configuration, then a user I/O (differential pair L02 inverted line)."
      },
      {
        "number": "110",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "111",
        "name": "VCCAUX",
        "type": "power_in",
        "description": "Auxiliary supply pin that must be connected to +2.5V."
      },
      {
        "number": "112",
        "name": "IO_L03P_1",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L03 true line in Bank 1."
      },
      {
        "number": "113",
        "name": "IO_L03N_1/VREF_1",
        "type": "bidirectional",
        "description": "Differential pair L03 inverted-line user I/O that is also a VREF input for Bank 1; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "114",
        "name": "VCCO_1",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 1; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "115",
        "name": "IO_L04P_1",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L04 true line in Bank 1."
      },
      {
        "number": "116",
        "name": "IO_L04N_1",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L04 inverted line in Bank 1."
      },
      {
        "number": "117",
        "name": "VCCINT",
        "type": "power_in",
        "description": "Internal core logic supply pin that must be connected to +1.2V."
      },
      {
        "number": "118",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "119",
        "name": "IO_L05P_1/A12",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A12 used in parallel Flash configuration, then a user I/O (differential pair L05 true line)."
      },
      {
        "number": "120",
        "name": "IO_L05N_1/A11",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A11 used in parallel Flash configuration, then a user I/O (differential pair L05 inverted line)."
      },
      {
        "number": "121",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "122",
        "name": "IO_L06P_1",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L06 true line in Bank 1."
      },
      {
        "number": "123",
        "name": "IO_L06N_1/VREF_1",
        "type": "bidirectional",
        "description": "Differential pair L06 inverted-line user I/O that is also a VREF input for Bank 1; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "124",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "125",
        "name": "VCCO_1",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 1; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "126",
        "name": "IO_L07P_1/A10/RHCLK0",
        "type": "bidirectional",
        "description": "Right-half clock input RHCLK0 and dual-purpose BPI address line A10, then a user I/O."
      },
      {
        "number": "127",
        "name": "IO_L07N_1/A9/RHCLK1",
        "type": "bidirectional",
        "description": "Right-half clock input RHCLK1 and dual-purpose BPI address line A9, then a user I/O."
      },
      {
        "number": "128",
        "name": "IO_L08P_1/A8/RHCLK2",
        "type": "bidirectional",
        "description": "Right-half clock input RHCLK2 and dual-purpose BPI address line A8, then a user I/O."
      },
      {
        "number": "129",
        "name": "IO_L08N_1/A7/RHCLK3",
        "type": "bidirectional",
        "description": "Right-half clock input RHCLK3 and dual-purpose BPI address line A7, then a user I/O."
      },
      {
        "number": "130",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "131",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "132",
        "name": "IO_L09P_1/A6/RHCLK4",
        "type": "bidirectional",
        "description": "Right-half clock input RHCLK4 and dual-purpose BPI address line A6, then a user I/O."
      },
      {
        "number": "133",
        "name": "IO_L09N_1/A5/RHCLK5",
        "type": "bidirectional",
        "description": "Right-half clock input RHCLK5 and dual-purpose BPI address line A5, then a user I/O."
      },
      {
        "number": "134",
        "name": "IO_L10P_1/A4/RHCLK6",
        "type": "bidirectional",
        "description": "Right-half clock input RHCLK6 and dual-purpose BPI address line A4, then a user I/O."
      },
      {
        "number": "135",
        "name": "IO_L10N_1/A3/RHCLK7",
        "type": "bidirectional",
        "description": "Right-half clock input RHCLK7 and dual-purpose BPI address line A3, then a user I/O."
      },
      {
        "number": "136",
        "name": "IP/VREF_1",
        "type": "input",
        "description": "Input-only pin that is also a VREF input for Bank 1; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "137",
        "name": "IO_L11P_1/A2",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A2 used in parallel Flash configuration, then a user I/O (differential pair L11 true line)."
      },
      {
        "number": "138",
        "name": "IO_L11N_1/A1",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A1 used in parallel Flash configuration, then a user I/O (differential pair L11 inverted line)."
      },
      {
        "number": "139",
        "name": "IO_L12P_1",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L12 true line in Bank 1."
      },
      {
        "number": "140",
        "name": "IO_L12N_1/A0",
        "type": "bidirectional",
        "description": "Dual-purpose BPI address line A0 used in parallel Flash configuration, then a user I/O (differential pair L12 inverted line)."
      },
      {
        "number": "141",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "142",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "143",
        "name": "VCCO_1",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 1; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "144",
        "name": "IO_L13P_1",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L13 true line in Bank 1."
      },
      {
        "number": "145",
        "name": "IO_L13N_1",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L13 inverted line in Bank 1."
      },
      {
        "number": "146",
        "name": "IO_L14P_1",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L14 true line in Bank 1."
      },
      {
        "number": "147",
        "name": "IO_L14N_1",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L14 inverted line in Bank 1."
      },
      {
        "number": "148",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "149",
        "name": "VCCAUX",
        "type": "power_in",
        "description": "Auxiliary supply pin that must be connected to +2.5V."
      },
      {
        "number": "150",
        "name": "IO_L15P_1/HDC",
        "type": "bidirectional",
        "description": "Dual-purpose HDC parallel Flash write-enable (WE#) output during configuration, then a user I/O."
      },
      {
        "number": "151",
        "name": "IO_L15N_1/LDC0",
        "type": "bidirectional",
        "description": "Dual-purpose LDC0 parallel Flash chip-enable (CE#) output driven Low during configuration, then a user I/O."
      },
      {
        "number": "152",
        "name": "IO_L16P_1/LDC1",
        "type": "bidirectional",
        "description": "Dual-purpose LDC1 parallel Flash output-enable (OE#) driven Low during configuration, then a user I/O."
      },
      {
        "number": "153",
        "name": "IO_L16N_1/LDC2",
        "type": "bidirectional",
        "description": "Dual-purpose LDC2 parallel Flash BYTE# control, driven Low during configuration, then a user I/O."
      },
      {
        "number": "154",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "155",
        "name": "TMS",
        "type": "input",
        "description": "Dedicated JTAG test mode select input, powered by VCCAUX."
      },
      {
        "number": "156",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "157",
        "name": "TDO",
        "type": "output",
        "description": "Dedicated JTAG test data output, powered by VCCAUX."
      },
      {
        "number": "158",
        "name": "TCK",
        "type": "input",
        "description": "Dedicated JTAG test clock input, powered by VCCAUX."
      },
      {
        "number": "159",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "160",
        "name": "IO_L01P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L01 true line in Bank 0."
      },
      {
        "number": "161",
        "name": "IO_L01N_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L01 inverted line in Bank 0."
      },
      {
        "number": "162",
        "name": "IO_L02P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L02 true line in Bank 0."
      },
      {
        "number": "163",
        "name": "IO_L02N_0/VREF_0",
        "type": "bidirectional",
        "description": "Differential pair L02 inverted-line user I/O that is also a VREF input for Bank 0; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "164",
        "name": "IO_L03P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L03 true line in Bank 0."
      },
      {
        "number": "165",
        "name": "IO_L03N_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L03 inverted line in Bank 0."
      },
      {
        "number": "166",
        "name": "VCCAUX",
        "type": "power_in",
        "description": "Auxiliary supply pin that must be connected to +2.5V."
      },
      {
        "number": "167",
        "name": "IO_L04P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L04 true line in Bank 0."
      },
      {
        "number": "168",
        "name": "IO_L04N_0/VREF_0",
        "type": "bidirectional",
        "description": "Differential pair L04 inverted-line user I/O that is also a VREF input for Bank 0; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "169",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "170",
        "name": "VCCINT",
        "type": "power_in",
        "description": "Internal core logic supply pin that must be connected to +1.2V."
      },
      {
        "number": "171",
        "name": "IO_L05P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L05 true line in Bank 0."
      },
      {
        "number": "172",
        "name": "IO_L05N_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L05 inverted line in Bank 0."
      },
      {
        "number": "173",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "174",
        "name": "IP_L06P_0",
        "type": "input",
        "description": "Input-only true-line pin of differential pair L06 in Bank 0 with no output structure or differential termination."
      },
      {
        "number": "175",
        "name": "IP_L06N_0",
        "type": "input",
        "description": "Input-only inverted-line pin of differential pair L06 in Bank 0 with no output structure or differential termination."
      },
      {
        "number": "176",
        "name": "VCCO_0",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 0; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "177",
        "name": "IO_L07P_0/GCLK4",
        "type": "bidirectional",
        "description": "Global clock input GCLK4 that is also a differential true-line user I/O in Bank 0."
      },
      {
        "number": "178",
        "name": "IO_L07N_0/GCLK5",
        "type": "bidirectional",
        "description": "Global clock input GCLK5 that is also a differential inverted-line user I/O in Bank 0."
      },
      {
        "number": "179",
        "name": "IO/VREF_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O that is also a VREF input for Bank 0; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "180",
        "name": "IO_L08P_0/GCLK6",
        "type": "bidirectional",
        "description": "Global clock input GCLK6 that is also a differential true-line user I/O in Bank 0."
      },
      {
        "number": "181",
        "name": "IO_L08N_0/GCLK7",
        "type": "bidirectional",
        "description": "Global clock input GCLK7 that is also a differential inverted-line user I/O in Bank 0."
      },
      {
        "number": "182",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "183",
        "name": "IP_L09P_0/GCLK8",
        "type": "bidirectional",
        "description": "Global clock input GCLK8 that is also a differential true-line pin in Bank 0."
      },
      {
        "number": "184",
        "name": "IP_L09N_0/GCLK9",
        "type": "bidirectional",
        "description": "Global clock input GCLK9 that is also a differential inverted-line pin in Bank 0."
      },
      {
        "number": "185",
        "name": "IO_L10P_0/GCLK10",
        "type": "bidirectional",
        "description": "Global clock input GCLK10 that is also a differential true-line user I/O in Bank 0."
      },
      {
        "number": "186",
        "name": "IO_L10N_0/GCLK11",
        "type": "bidirectional",
        "description": "Global clock input GCLK11 that is also a differential inverted-line user I/O in Bank 0."
      },
      {
        "number": "187",
        "name": "IO",
        "type": "bidirectional",
        "description": "Unrestricted general-purpose user I/O in Bank 0."
      },
      {
        "number": "188",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "189",
        "name": "IO_L11P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L11 true line in Bank 0."
      },
      {
        "number": "190",
        "name": "IO_L11N_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L11 inverted line in Bank 0."
      },
      {
        "number": "191",
        "name": "VCCO_0",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 0; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "192",
        "name": "IO_L12P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L12 true line in Bank 0."
      },
      {
        "number": "193",
        "name": "IO_L12N_0/VREF_0",
        "type": "bidirectional",
        "description": "Differential pair L12 inverted-line user I/O that is also a VREF input for Bank 0; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "194",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "195",
        "name": "VCCAUX",
        "type": "power_in",
        "description": "Auxiliary supply pin that must be connected to +2.5V."
      },
      {
        "number": "196",
        "name": "IO_L13P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L13 true line in Bank 0."
      },
      {
        "number": "197",
        "name": "IO_L13N_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L13 inverted line in Bank 0."
      },
      {
        "number": "198",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      },
      {
        "number": "199",
        "name": "IO_L14P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L14 true line in Bank 0."
      },
      {
        "number": "200",
        "name": "IO_L14N_0/VREF_0",
        "type": "bidirectional",
        "description": "Differential pair L14 inverted-line user I/O that is also a VREF input for Bank 0; all VREF pins in the bank must be connected if used."
      },
      {
        "number": "201",
        "name": "VCCO_0",
        "type": "power_in",
        "description": "Output-buffer supply for Bank 0; all VCCO pins of the bank must be connected to the same voltage."
      },
      {
        "number": "202",
        "name": "IO_L15P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L15 true line in Bank 0."
      },
      {
        "number": "203",
        "name": "IO_L15N_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L15 inverted line in Bank 0."
      },
      {
        "number": "204",
        "name": "IP",
        "type": "input",
        "description": "Input-only pin with no output structure, differential termination resistor, or PCI clamp diode."
      },
      {
        "number": "205",
        "name": "IO_L16P_0",
        "type": "bidirectional",
        "description": "General-purpose user I/O, differential pair L16 true line in Bank 0."
      },
      {
        "number": "206",
        "name": "IO_L16N_0/HSWAP",
        "type": "bidirectional",
        "description": "Dual-purpose HSWAP pin: Low enables pull-up resistors on all user I/O during configuration, High disables them; then a user I/O."
      },
      {
        "number": "207",
        "name": "TDI",
        "type": "input",
        "description": "Dedicated JTAG test data input, powered by VCCAUX."
      },
      {
        "number": "208",
        "name": "GND",
        "type": "power_in",
        "description": "Ground return pin; all GND pins must be connected."
      }
    ],
    "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 tabulates the PQ208 pinout (Table 140, labeled PQ208 / PQG208 package family). The ord; Table 140 lists pin names for the XC3S250E and XC3S500E together (identical footprint); the names ab; Per-pin descriptions are not individually written in the datasheet. They were composed from the pin-",
          "79/208 pins cited to the wrong page (name found elsewhere): ['55:IO_L01P_2/CSO_B@p181', '60:IO_L03P_2/DOUT/BUSY@p181', '61:IO_L03N_2/MOSI/CSI_B@p181', '62:IO_L04P_2@p181']"
        ],
        "pages_sent": 94,
        "cost_usd": 0.8727,
        "at": "2026-10-21T01:50:50"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590226762702888960",
        "pages": 227,
        "sha256": "9ef8122f74a48461",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 208,
        "described": 208,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
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