ATF1504ASVL-20AU44

{
  "schema_version": 1,
  "type": "component",
  "slug": "atf1504asvl-20au44",
  "title": "ATF1504ASVL-20AU44",
  "brief": "Microchip Tech CPLD/FPGA, TQFP-44(10x10). 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",
    "atf1504asvl-20au44",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "ATF1504ASVL-20AU44",
    "manufacturer": "Microchip Tech",
    "package": "TQFP-44(10x10)",
    "pin_count": 44,
    "category": "Embedded Processors & Controllers",
    "subcategory": "CPLD/FPGA",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/10f8633fd8b4889f4c29b82854510ba4.pdf",
    "parts": {
      "symbol": "atf1504asvl-20au44.kicad_sym",
      "footprint": "atf1504asvl-20au44.kicad_mod",
      "model_3d": "atf1504asvl-20au44-hero.glb",
      "model_3d_plain": "atf1504asvl-20au44.glb",
      "model_3d_step": "atf1504asvl-20au44-etched.step",
      "model_3d_step_plain": "atf1504asvl-20au44.step",
      "lbr": "atf1504asvl-20au44.lbr"
    },
    "distributor_links": {
      "lcsc": "C1521187",
      "digikey": "ATF1504ASVL-20AU44-ND",
      "mouser": "556-AF1504AVL20AU44"
    },
    "distributor_check": {
      "checked_at": "2026-11-13T19:16:24Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "ATF1504ASVL-20AU44-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "556-AF1504AVL20AU44",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "I/O/TDI",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 8 (PLC A) that serves as the JTAG TDI input, with a pull-up option on TDI selected as a design option."
      },
      {
        "number": "2",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 5 (PLC A) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "3",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 4 (PLC A) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "5",
        "name": "I/O/PD1",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 3 (PLC A) that also serves as power-down pin PD1 for the pin-controlled standby mode (100 µA typical)."
      },
      {
        "number": "6",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 1 (PLC A) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "7",
        "name": "I/O/TMS",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 32 (PLC B) that serves as the JTAG TMS input, with a pull-up option on TMS selected as a design option."
      },
      {
        "number": "8",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 30 (PLC B) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "9",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin (VCC, VCCINT/VCCIO) for the device, operating range 3.0V to 3.6V."
      },
      {
        "number": "10",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 25 (PLC B) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "11",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 24 (PLC B) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "12",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 21 (PLC B) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "13",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 20 (PLC B) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "14",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 19 (PLC B) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "15",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 17 (PLC B) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "16",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "17",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin (VCC, VCCINT/VCCIO) for the device, operating range 3.0V to 3.6V."
      },
      {
        "number": "18",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 33 (PLC C) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "19",
        "name": "I/O/PD2",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 35 (PLC C) that also serves as power-down pin PD2 for the pin-controlled standby mode (100 µA typical)."
      },
      {
        "number": "20",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 36 (PLC C) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "21",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 37 (PLC C) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "22",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 40 (PLC C) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "23",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 41 (PLC C) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "24",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "25",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 46 (PLC C) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "26",
        "name": "I/O/TCK",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 48 (PLC C) that serves as the JTAG TCK pin used for boundary-scan testing and in-system programming."
      },
      {
        "number": "27",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 49 (PLC D) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "28",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 51 (PLC D) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "29",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin (VCC, VCCINT/VCCIO) for the device, operating range 3.0V to 3.6V."
      },
      {
        "number": "30",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 52 (PLC D) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "31",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 53 (PLC D) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "32",
        "name": "I/O/TDO",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 56 (PLC D) that serves as the JTAG TDO pin used for boundary-scan testing and in-system programming."
      },
      {
        "number": "33",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 57 (PLC D) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "34",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 62 (PLC D) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "35",
        "name": "I/O/GCLK3",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 64 (PLC D) that can also serve as global clock pin GCLK3."
      },
      {
        "number": "36",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the device."
      },
      {
        "number": "37",
        "name": "INPUT/GCLK1",
        "type": "input",
        "description": "Dedicated input that can serve as global clock GCLK1, selectable individually within each macrocell as register clock, register reset or output enable."
      },
      {
        "number": "38",
        "name": "INPUT/OE1",
        "type": "input",
        "description": "Dedicated input that serves as global output enable OE1, selectable individually within each macrocell."
      },
      {
        "number": "39",
        "name": "INPUT/GCLR",
        "type": "input",
        "description": "Dedicated input that serves as the global clear GCLR for macrocell registers, selectable individually within each macrocell."
      },
      {
        "number": "40",
        "name": "INPUT/OE2/GCLK2",
        "type": "input",
        "description": "Dedicated input that can serve as global output enable OE2 or global clock GCLK2, selectable individually within each macrocell."
      },
      {
        "number": "41",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin (VCC, VCCINT/VCCIO) for the device, operating range 3.0V to 3.6V."
      },
      {
        "number": "42",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 16 (PLC A) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "43",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 14 (PLC A) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      },
      {
        "number": "44",
        "name": "I/O",
        "type": "bidirectional",
        "description": "Bidirectional I/O on macrocell 11 (PLC A) with programmable pin-keeper, programmable output slew rate and programmable open-collector options."
      }
    ],
    "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: Pin-to-name mapping for the 44-lead TQFP was taken from Table 1-6 (page 14) and Table 1-7 (page 15),; Ordering code ATF1504ASVL-20AU44 uses package code 44A, which the ordering information (page 28) def; Pin descriptions are limited to the functions and features stated in the supplied pages. The electri"
        ],
        "pages_sent": 16,
        "cost_usd": 0.1571,
        "at": "2026-11-13T19:16:13"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/10f8633fd8b4889f4c29b82854510ba4.pdf",
        "pages": 30,
        "sha256": "1dd868cd32f411ad",
        "source_tier": "mfr"
      },
      "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": "atf1504asvl-20au44.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12,
          12,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "atf1504asvl-20au44-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "e843016f11d5b9adb5556e4accbd82f13a02207660570fa11f8901fcb4c00df3",
        "checked": "2026-11-13",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "44A (TQFP, Microchip drawing 3EB, Atmel legacy code AIX)",
      "source_page": 22,
      "D": {
        "nom_mm": 10,
        "range_mm": [
          null,
          null
        ]
      },
      "E1": {
        "nom_mm": 10,
        "range_mm": [
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          null
        ]
      },
      "E": {
        "nom_mm": 12,
        "range_mm": [
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          null
        ]
      },
      "e": {
        "nom_mm": 0.8,
        "range_mm": [
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          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
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          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "atf1504asvl-20au44.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "TQFP-44(10x10)",
      "Category": "Embedded Processors & Controllers",
      "Pins": "44"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "1dd868cd32f411adadb807c4d3eab7d5261e985a06040dbd2e41a1b4466871da",
      "rows": [
        {
          "name": "Temperature under bias",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Voltage on any pin with respect to ground",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -2,
          "typ": null,
          "max": 7,
          "conditions": "See Note 1: DC minimum -0.6V, undershoot to -2.0V for pulses <20 ns",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature (Ambient), Industrial",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VCC (VCCIO/VCCINT) Power Supply",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 3,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input or I/O Low Leakage Current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": -2,
          "max": -10,
          "conditions": "VIN = GND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input or I/O High Leakage Current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "VIN = VCC",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Tri-State Output Off-State Current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -40,
          "typ": null,
          "max": 40,
          "conditions": "VO = VCC or GND",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Power-Down mode Supply Current (PD mode)",
          "symbol": "ICC2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 0.1,
          "max": 5,
          "conditions": "VCC = Max, VIN = 0, VCC; PD mode",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input Low Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": -0.3,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input High Voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Output Low Voltage (3.3V TTL)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.45,
          "conditions": "VIN = VIH or VIL; VCCIO = Min, IOL = 8 mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Output Low Voltage (3.3V CMOS)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.2,
          "conditions": "VIN = VIH or VIL; VCCIO = Min, IOL = 0.1 mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Output High Voltage (3.3V TTL)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "VIN = VIH or VIL; VCCIO = Min, IOH = -1.5 mA",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Input Capacitance",
          "symbol": "CIN",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VIN = 0V; f = 1.0 MHz",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "I/O Capacitance",
          "symbol": "CI/O",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VOUT = 0V; f = 1.0 MHz",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Input or Feedback to Non-Registered Output",
          "symbol": "tPD1",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "I/O Input or Feedback to Non-Registered Feedback",
          "symbol": "tPD2",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "",
          "source_page": 9,
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        },
        {
          "name": "Global Clock Setup Time",
          "symbol": "tSU",
          "kind": "timing",
          "unit": "ns",
          "min": 13.5,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
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        },
        {
          "name": "Global Clock Hold Time",
          "symbol": "tH",
          "kind": "timing",
          "unit": "ns",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Global Clock Setup Time of Fast Input",
          "symbol": "tFSU",
          "kind": "timing",
          "unit": "ns",
          "min": 3,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Global Clock Hold Time of Fast Input",
          "symbol": "tFH",
          "kind": "timing",
          "unit": "ns",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 9,
          "source": "datasheet"
        },
        {
          "name": "Global Clock to Output Delay",
          "symbol": "tCOP",
          "kind": "timing",
          "unit": "ns",
          "min": null,
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