component
ATF1502ASL-25AU44
Public Made by Adomby adom
Microchip Tech CPLD/FPGA, TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
Ray
Publish 0.1.1
3c33b7d
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"description": "Microchip Tech CPLD/FPGA, TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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"component": {
"mpn": "ATF1502ASL-25AU44",
"manufacturer": "Microchip Tech",
"package": "TQFP-44(10x10)",
"pin_count": 44,
"category": "Embedded Processors & Controllers",
"subcategory": "CPLD/FPGA",
"datasheet": "https://datasheet.lcsc.com/datasheet/pdf/dcd72955324b26454342f558812b6cf5.pdf",
"parts": {
"symbol": "atf1502asl-25au44.kicad_sym",
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"lbr": "atf1502asl-25au44.lbr"
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"distributor_links": {
"lcsc": "C1521100",
"digikey": "ATF1502ASL-25AU44-ND",
"mouser": "556-AF1502ASL25AU44"
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"checked_at": "2026-11-07T02:22:27Z",
"source": "Component Ocean /api/assign-pns",
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"status": "found"
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"pn": "556-AF1502ASL25AU44",
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"pins": [
{
"number": "1",
"name": "I/O/TDI",
"type": "bidirectional",
"description": "I/O pin (macrocell 4) that serves as JTAG TDI for boundary-scan/ISP when JTAG is enabled, with optional pull-up."
},
{
"number": "2",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 5) with programmable pin-keeper and slew rate."
},
{
"number": "3",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 6) with programmable pin-keeper and slew rate."
},
{
"number": "4",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "5",
"name": "PD1/I/O",
"type": "bidirectional",
"description": "I/O pin that can act as power-down pin PD1; when high with power-down enabled, supply current drops below 5mA and the pin cannot be used as logic input or output."
},
{
"number": "6",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 8) with programmable pin-keeper and slew rate."
},
{
"number": "7",
"name": "I/O/TMS",
"type": "bidirectional",
"description": "I/O pin (macrocell 9) that serves as JTAG TMS for boundary-scan/ISP when JTAG is enabled, with optional pull-up."
},
{
"number": "8",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 10) with programmable pin-keeper and slew rate."
},
{
"number": "9",
"name": "VCC",
"type": "power_in",
"description": "Device supply pin, +5V (5V ±5% commercial, ±10% industrial)."
},
{
"number": "10",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 11) with programmable pin-keeper and slew rate."
},
{
"number": "11",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 12) with programmable pin-keeper and slew rate."
},
{
"number": "12",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 13) with programmable pin-keeper and slew rate."
},
{
"number": "13",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 14) with programmable pin-keeper and slew rate."
},
{
"number": "14",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 15) with programmable pin-keeper and slew rate."
},
{
"number": "15",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 16) with programmable pin-keeper and slew rate."
},
{
"number": "16",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "17",
"name": "VCC",
"type": "power_in",
"description": "Device supply pin, +5V (5V ±5% commercial, ±10% industrial)."
},
{
"number": "18",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 32) with programmable pin-keeper and slew rate."
},
{
"number": "19",
"name": "PD2/I/O",
"type": "bidirectional",
"description": "I/O pin that can act as power-down pin PD2; when high with power-down enabled, supply current drops below 5mA and the pin cannot be used as logic input or output."
},
{
"number": "20",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 30) with programmable pin-keeper and slew rate."
},
{
"number": "21",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 29) with programmable pin-keeper and slew rate."
},
{
"number": "22",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 28) with programmable pin-keeper and slew rate."
},
{
"number": "23",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 27) with programmable pin-keeper and slew rate."
},
{
"number": "24",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "25",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 26) with programmable pin-keeper and slew rate."
},
{
"number": "26",
"name": "I/O/TCK",
"type": "bidirectional",
"description": "I/O pin (macrocell 25) that serves as JTAG TCK for boundary-scan/ISP when JTAG is enabled."
},
{
"number": "27",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 24) with programmable pin-keeper and slew rate."
},
{
"number": "28",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 23) with programmable pin-keeper and slew rate."
},
{
"number": "29",
"name": "VCC",
"type": "power_in",
"description": "Device supply pin, +5V (5V ±5% commercial, ±10% industrial)."
},
{
"number": "30",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 22) with programmable pin-keeper and slew rate."
},
{
"number": "31",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 21) with programmable pin-keeper and slew rate."
},
{
"number": "32",
"name": "I/O/TDO",
"type": "bidirectional",
"description": "I/O pin (macrocell 20) that serves as JTAG TDO for boundary-scan/ISP when JTAG is enabled."
},
{
"number": "33",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 19) with programmable pin-keeper and slew rate."
},
{
"number": "34",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 18) with programmable pin-keeper and slew rate."
},
{
"number": "35",
"name": "GCLK3/I/O",
"type": "bidirectional",
"description": "I/O pin (macrocell 32 per block diagram) that can also serve as global clock input GCLK3."
},
{
"number": "36",
"name": "GND",
"type": "power_in",
"description": "Ground pin."
},
{
"number": "37",
"name": "GCLK1/I",
"type": "input",
"description": "Dedicated input that can serve as global clock GCLK1 or general logic input."
},
{
"number": "38",
"name": "OE1/I",
"type": "input",
"description": "Dedicated input that can serve as global output enable OE1 or general logic input."
},
{
"number": "39",
"name": "GCLR/I",
"type": "input",
"description": "Dedicated input that can serve as global clear (register reset) or general logic input."
},
{
"number": "40",
"name": "GCLK2/OE2/I",
"type": "input",
"description": "Dedicated input that can serve as global clock GCLK2, global output enable OE2, or general logic input."
},
{
"number": "41",
"name": "VCC",
"type": "power_in",
"description": "Device supply pin, +5V (5V ±5% commercial, ±10% industrial)."
},
{
"number": "42",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 1) with programmable pin-keeper and slew rate."
},
{
"number": "43",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 2) with programmable pin-keeper and slew rate."
},
{
"number": "44",
"name": "I/O",
"type": "bidirectional",
"description": "General-purpose bidirectional I/O pin (macrocell 3) with programmable pin-keeper and slew rate."
}
],
"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 I/O pinout table (page 21) labels MC3 (TQFP pin 44) as PD1, but the dedicated pinout table (page; Pin 35 is shown as I/O/GCLK3 on page 20, and the block diagram calls it MC32. The page 21 table maps; Pin type for the dedicated inputs and the JTAG/PD multifunction pins is inferred as input or bidirec",
"1/44 pins cited to the wrong page (name found elsewhere): ['19:PD2/I/O@p20']"
],
"pages_sent": 29,
"cost_usd": 0.1637,
"at": "2026-11-07T02:22:14"
},
"datasheet": {
"url": "https://datasheet.lcsc.com/datasheet/pdf/dcd72955324b26454342f558812b6cf5.pdf",
"pages": 29,
"sha256": "1abab0d93d034ad0",
"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": [
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"file": "atf1502asl-25au44.step",
"role": "plain",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12.0,
12.0,
1.1
],
"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "61ecec1147f835d2c9d165c450b1c8d53e65b038f6ca1dac3066a2dfb1bbbb85",
"checked": "2026-11-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
},
{
"file": "atf1502asl-25au44-etched.step",
"role": "eda",
"up": "Z",
"units": "mm",
"origin": "footprint origin = pad-pattern centre",
"seat": "z = 0",
"extents_mm": [
12.0,
12.0,
1.1
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"zmin_mm": -0.0,
"centre_offset_mm": 0.0,
"footprint_binding": "identity",
"sha256": "aec1d62e4571af75bfd6f65d22dee4c12fb8d7ae7ed31c53349cf9a9366da8e1",
"checked": "2026-11-07",
"checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
}
]
},
"title": "ATF1502ASL-25AU44",
"brief": "Microchip Tech CPLD/FPGA, TQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
"metadata": {
"specs": {
"Manufacturer": "Microchip Tech",
"Package": "TQFP-44(10x10)",
"Category": "Embedded Processors & Controllers",
"Pins": "44"
},
"characteristics": {
"version": 1,
"source": "datasheet",
"datasheet_sha256": "1abab0d93d034ad06ab0436e3c3d23d0beda504cc68fd0416a51e5c59467edc7",
"rows": [
{
"name": "VCC (5.0V) Power Supply",
"symbol": "VCC",
"kind": "tolerance",
"unit": "%",
"min": -10,
"typ": null,
"max": 10,
"conditions": "Industrial, 5.0V nominal",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Operating Temperature (Ambient)",
"symbol": "",
"kind": "recommended_operating",
"unit": "C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "Industrial",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Temperature Under Bias",
"symbol": "",
"kind": "absolute_maximum",
"unit": "C",
"min": -40,
"typ": null,
"max": 85,
"conditions": "",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Storage Temperature",
"symbol": "",
"kind": "absolute_maximum",
"unit": "C",
"min": -65,
"typ": null,
"max": 150,
"conditions": "",
"source_page": 10,
"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",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Voltage on Input Pins with Respect to Ground During Programming",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -2,
"typ": null,
"max": 14,
"conditions": "See note 1",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Programming Voltage with Respect to Ground",
"symbol": "",
"kind": "absolute_maximum",
"unit": "V",
"min": -2,
"typ": null,
"max": 14,
"conditions": "See note 1",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Input Pin Capacitance",
"symbol": "CIN",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 8,
"max": 10,
"conditions": "VIN = 0V; f = 1MHz",
"source_page": 10,
"source": "datasheet"
},
{
"name": "I/O Pin Capacitance",
"symbol": "CI/O",
"kind": "electrical",
"unit": "pF",
"min": null,
"typ": 8,
"max": 10,
"conditions": "VOUT = 0V; f = 1MHz",
"source_page": 10,
"source": "datasheet"
},
{
"name": "Input or I/O Low Leakage Current",
"symbol": "IIL",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": -2,
"max": -10,
"conditions": "VIN = VCC",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Input or I/O High Leakage Current",
"symbol": "IIH",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": 2,
"max": 10,
"conditions": "",
"source_page": 11,
"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": 11,
"source": "datasheet"
},
{
"name": "Power Supply Current, Standby (L mode)",
"symbol": "ICC1",
"kind": "electrical",
"unit": "μA",
"min": null,
"typ": null,
"max": 10,
"conditions": "VCC = Max; VIN = 0, VCC; L Mode; Ind.",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Power Supply Current, Power-down Mode",
"symbol": "ICC2",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": 1,
"max": 5,
"conditions": "VCC = Max; VIN = 0, VCC; PD Mode",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Reduced-power Mode Supply Current, Standby",
"symbol": "ICC3",
"kind": "electrical",
"unit": "mA",
"min": null,
"typ": null,
"max": 40,
"conditions": "VCC = Max; VIN = 0, VCC; Std Mode; Ind.",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Input Low Voltage",
"symbol": "VIL",
"kind": "electrical",
"unit": "V",
"min": -0.3,
"typ": null,
"max": 0.8,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Input High Voltage",
"symbol": "VIH",
"kind": "electrical",
"unit": "V",
"min": 2,
"typ": null,
"max": null,
"conditions": "",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Output Low Voltage (TTL)",
"symbol": "VOL",
"kind": "electrical",
"unit": "V",
"min": null,
"typ": null,
"max": 0.45,
"conditions": "VIN = VIH or VIL; VCC = Min, IOL = 12mA; Ind.",
"source_page": 11,
"source": "datasheet"
},
{
"name": "Output Low Voltage (CMOS)",
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}