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Ray Set visibility: public ee53549 6h ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "557g-03lft",
  "title": "557G-03LFT",
  "brief": "RENESAS Clock Generators / Frequency Synthesizers / PLL, TSSOP-16-175mil. 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",
    "clock and timing",
    "557g-03lft",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "557G-03LFT",
    "manufacturer": "RENESAS",
    "package": "TSSOP-16-175mil",
    "pin_count": 16,
    "category": "Clock and Timing",
    "subcategory": "Clock Generators / Frequency Synthesizers / PLL",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/f394caebd2106d871a4e529ed54fff7b.pdf",
    "parts": {
      "symbol": "557g-03lft.kicad_sym",
      "footprint": "557g-03lft.kicad_mod",
      "model_3d": "557g-03lft-hero.glb",
      "model_3d_plain": "557g-03lft-etched.glb",
      "model_3d_step": "557g-03lft-etched.step",
      "model_3d_step_plain": "557g-03lft.step",
      "lbr": "557g-03lft.lbr"
    },
    "distributor_links": {
      "lcsc": "C2651403",
      "digikey": "6690-557G-03LFTTR-ND",
      "mouser": "972-557G-03LFT"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T23:45:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "6690-557G-03LFTTR-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "972-557G-03LFT",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S0",
        "type": "input",
        "description": "Select pin 0 sets the output frequency together with S1 per Table 1 (25M, 100M, 125M or 200M) and has an internal pull-up resistor."
      },
      {
        "number": "2",
        "name": "S1",
        "type": "input",
        "description": "Select pin 1 sets the output frequency together with S0 per Table 1 and has an internal pull-up resistor."
      },
      {
        "number": "3",
        "name": "SS0",
        "type": "input",
        "description": "Spread select pin 0 sets the spread type and amount together with SS1 per Table 2 and has an internal pull-up resistor."
      },
      {
        "number": "4",
        "name": "X1/ICLK",
        "type": "input",
        "description": "Crystal or clock input, to be connected to a 25 MHz crystal or a single-ended clock."
      },
      {
        "number": "5",
        "name": "X2",
        "type": "output",
        "description": "Crystal connection, to be left unconnected when a clock is applied to X1/ICLK."
      },
      {
        "number": "6",
        "name": "OE",
        "type": "input",
        "description": "Output enable; a low level tri-states the outputs without shutting the device down, and it has an internal pull-up resistor."
      },
      {
        "number": "7",
        "name": "GNDXD",
        "type": "power_in",
        "description": "Connect to ground."
      },
      {
        "number": "8",
        "name": "SS1",
        "type": "input",
        "description": "Spread select pin 1 sets the spread type and amount together with SS0 per Table 2 and has an internal pull-up resistor."
      },
      {
        "number": "9",
        "name": "IREF",
        "type": "output",
        "description": "Precision reference resistor pin connected to the internal current reference; RR = 475 Ω (1%) gives IREF of 2.32 mA for a 50 Ω board trace."
      },
      {
        "number": "10",
        "name": "CLK1",
        "type": "output",
        "description": "HCSL complementary clock output 1."
      },
      {
        "number": "11",
        "name": "CLK1",
        "type": "output",
        "description": "HCSL true clock output 1."
      },
      {
        "number": "12",
        "name": "VDDODA",
        "type": "power_in",
        "description": "Connect to a +3.3 V supply for the output driver and analog circuits."
      },
      {
        "number": "13",
        "name": "GNDODA",
        "type": "power_in",
        "description": "Connect to ground."
      },
      {
        "number": "14",
        "name": "CLK0",
        "type": "output",
        "description": "HCSL complementary clock output 0."
      },
      {
        "number": "15",
        "name": "CLK0",
        "type": "output",
        "description": "HCSL true clock output 0."
      },
      {
        "number": "16",
        "name": "VDDXD",
        "type": "power_in",
        "description": "Connect to a +3.3 V supply for the crystal oscillator and digital circuits."
      }
    ],
    "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: Package hint says TSSOP-16-175mil, but the datasheet describes the package as 16-pin TSSOP 173 mil n; The overbar on the complementary clock outputs is lost in the text extraction. Pins 10 and 14 are co; Pin types follow the datasheet's Pin Type column. X2 is described as a crystal connection and IREF a"
        ],
        "pages_sent": 12,
        "cost_usd": 0.059,
        "at": "2026-10-30T23:44:49"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/f394caebd2106d871a4e529ed54fff7b.pdf",
        "pages": 12,
        "sha256": "72c78dc62d05844e",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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    "models_3d": [
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        "file": "557g-03lft.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          5,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "6ad5e98224d02a427d9a6b929a28dbc158b9925fba5adec12db05079f1016948",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "557g-03lft-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": "a17dcdae28c3c200830c2bbcc954f73b2ab3da4b40178bc3b890e28372e197dc",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "16-pin TSSOP",
      "source_page": 10,
      "D": {
        "nom_mm": 5,
        "range_mm": [
          4.9,
          5.1
        ]
      },
      "E1": {
        "nom_mm": 4.4,
        "range_mm": [
          4.3,
          4.5
        ]
      },
      "E": {
        "nom_mm": 6.4,
        "range_mm": [
          null,
          null
        ]
      },
      "e": {
        "nom_mm": 0.65,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.2,
        "range_mm": [
          null,
          1.2
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "557g-03lft.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  },
  "metadata": {
    "specs": {
      "Manufacturer": "RENESAS",
      "Package": "TSSOP-16-175mil",
      "Category": "Clock and Timing",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "72c78dc62d05844e1d347d8b64d5a15f81f926d1bb354ff20f22593fa39a8083",
      "rows": [
        {
          "name": "Supply voltage",
          "symbol": "V",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.97,
          "typ": 3.3,
          "max": 3.63,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Ambient operating temperature (commercial)",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": 0,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage (absolute maximum), VDDXD, VDDODA",
          "symbol": "VDDXD, VDDODA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
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          "source": "datasheet"
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        {
          "name": "All inputs and outputs",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Max printed as VDD+0.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 125,
          "conditions": "",
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          "source": "datasheet"
        },
        {
          "name": "Soldering temperature",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "",
          "source_page": 6,
          "source": "datasheet"
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        {
          "name": "ESD protection (input)",
          "symbol": "",
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          "unit": "V",
          "min": 2000,
          "typ": null,
          "max": null,
          "conditions": "HBM",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "S0, S1, OE, ICLK, SS0, SS1; max printed as VDD+0.3",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input low voltage",
          "symbol": "VIL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "S0, S1, OE, ICLK, SS0, SS1; min printed as VSS-0.3",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "μA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "0 < Vin < VDD",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Output high voltage",
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          "kind": "electrical",
          "unit": "mV",
          "min": 660,
          "typ": 700,
          "max": 850,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "Output low voltage",
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          "unit": "mV",
          "min": -150,
          "typ": 0,
          "max": 27,
          "conditions": "",
          "source_page": 7,
          "source": "datasheet"
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          "name": "Crossing point voltage (absolute)",
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          "kind": "electrical",
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          "typ": 350,
          "max": 550,
          "conditions": "Absolute",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Rise time",
          "symbol": "tOR",
          "kind": "timing",
          "unit": "ps",
          "min": 175,
          "typ": 332,
          "max": 700,
          "conditions": "From 0.175 V to 0.525 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Fall time",
          "symbol": "tOF",
          "kind": "timing",
          "unit": "ps",
          "min": 175,
          "typ": 344,
          "max": 700,
          "conditions": "From 0.525 V to 0.175 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Modulation frequency",
          "symbol": "",
          "kind": "electrical",
          "unit": "kHz",
          "min": 30,
          "typ": 31.5,
          "max": 33,
          "conditions": "Spread spectrum",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Jitter, phase (PCIe Gen 1)",
          "symbol": "tjphasePLL",
          "kind": "timing",
          "unit": "ps (p-p)",
          "min": null,
          "typ": null,
          "max": 86,
          "conditions": "PCIe Gen 1",
          "source_page": 8,
          "source": "datasheet"
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      ]
    }
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  "discovery_triggers": [
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  "discovery_pitch": "557G-03LFT (RENESAS) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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}