main
Ray Set visibility: public 4b649b2 16d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sg-8018cg-20-000000mhz-tjhsa",
  "title": "SG-8018CG 20.000000MHz TJHSA",
  "brief": "Seiko Epson Programmable Oscillators, SMD2520-4P. 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",
    "crystals, oscillators, resonators",
    "sg-8018cg 20.000000mhz tjhsa",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "SG-8018CG 20.000000MHz TJHSA",
    "manufacturer": "Seiko Epson",
    "package": "SMD2520-4P",
    "pin_count": 4,
    "category": "Crystals, Oscillators, Resonators",
    "subcategory": "Programmable Oscillators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588933793989844992",
    "parts": {
      "symbol": "sg-8018cg-20-000000mhz-tjhsa.kicad_sym",
      "footprint": "sg-8018cg-20-000000mhz-tjhsa.kicad_mod",
      "model_3d": "sg-8018cg-20-000000mhz-tjhsa-hero.glb",
      "model_3d_plain": "sg-8018cg-20-000000mhz-tjhsa-etched.glb",
      "model_3d_step": "sg-8018cg-20-000000mhz-tjhsa-etched.step",
      "model_3d_step_plain": "sg-8018cg-20-000000mhz-tjhsa.step",
      "lbr": "sg-8018cg-20-000000mhz-tjhsa.lbr"
    },
    "distributor_links": {
      "lcsc": "C390522",
      "digikey": "SG-8018CG20.000000MHZTJHSA-ND"
    },
    "distributor_check": {
      "checked_at": "2026-10-14T15:13:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "SG-8018CG20.000000MHZTJHSA-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "ST",
        "type": "input",
        "description": "Active-low standby input: High gives the specified frequency output on OUT, while Low forces OUT low (weak pull-down) and puts the device into standby with supply current reduced to I_std."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin for the oscillator; a 0.1 µF decoupling capacitor between VCC and GND should be placed as close to the device as possible for optimum jitter."
      },
      {
        "number": "3",
        "name": "OUT",
        "type": "output",
        "description": "CMOS clock output, specified at a load of up to 15 pF (L_CMOS max) with the rise/fall time set by the ordering code."
      },
      {
        "number": "4",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply input; the rated supply range is 1.62 V to 3.63 V."
      }
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet pin table lists pin 1 as either OE or ST depending on the ordering code. The MPN 'SG-8; The datasheet gives pin names and functions in a table but no pad-number drawing for the 2.5 x 2.0 m; The VCC pin is typed power_in, the KiCad class for a supply input. The datasheet only labels it 'Pow"
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        "pages_sent": 8,
        "cost_usd": 0.0435,
        "at": "2026-10-14T15:13:02"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588933793989844992",
        "pages": 8,
        "sha256": "ad8481ab4b53133a",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 4,
        "described": 4,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2,
          0.83
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "cd0c53e8a35a3cb36fc18e5248a2acf382b94b62d156b7bb9cc398eef3e21c4a",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sg-8018cg-20-000000mhz-tjhsa-etched.step",
        "role": "eda",
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        "sha256": "a7c23b09d0d6401a29ccb411811f010ba0ee29bd348efa57c8d24f605a0c81e0",
        "checked": "2026-10-14",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  },
  "metadata": {
    "specs": {
      "Manufacturer": "Seiko Epson",
      "Package": "SMD2520-4P",
      "Category": "Crystals, Oscillators, Resonators",
      "Pins": "4"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "ad8481ab4b53133a76513d1407c441cd3c10a39f07c27a2aec73538ba3ed0ec5",
      "rows": [
        {
          "name": "Supply voltage (full device range; code T = 1.8 V ~ 3.3 V Typ.)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.62,
          "typ": null,
          "max": 3.63,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output frequency range",
          "symbol": "fO",
          "kind": "recommended_operating",
          "unit": "MHz",
          "min": 0.67,
          "typ": null,
          "max": 170,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "T_stg",
          "kind": "absolute_maximum",
          "unit": "ºC",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Storage as single product",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Operating temperature (code H)",
          "symbol": "T_use",
          "kind": "recommended_operating",
          "unit": "ºC",
          "min": -40,
          "typ": null,
          "max": 105,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Frequency tolerance (code J)",
          "symbol": "f_tol",
          "kind": "tolerance",
          "unit": "× 10-6",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "T_use = -40 ºC ~ +105 ºC; includes initial tolerance, temperature, supply, reflow, load drift and aging (+25 ºC, 10 years)",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Current consumption ICC, column 1.62 V ~ 1.98 V (*A)",
          "symbol": "ICC",
          "kind": "electrical",
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          "max": 3.2,
          "conditions": "No load, fO = 20 MHz, T_use = +105 ºC",
          "source_page": 1,
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        {
          "name": "Current consumption ICC, column 1.98 V ~ 2.20 V (*B)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3.3,
          "conditions": "No load, fO = 20 MHz, T_use = +105 ºC",
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        },
        {
          "name": "Current consumption ICC, column 2.20 V ~ 2.80 V (*C)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3.4,
          "conditions": "No load, fO = 20 MHz, T_use = +105 ºC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Current consumption ICC, column 2.70 V ~ 3.63 V (*D)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 3.5,
          "conditions": "No load, fO = 20 MHz, T_use = +105 ºC",
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        },
        {
          "name": "Standby current I_std, column 1.62 V ~ 1.98 V",
          "symbol": "I_std",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 0.9,
          "conditions": "ST¯¯ = GND, T_use = +105 ºC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Standby current I_std, column 1.98 V ~ 2.20 V",
          "symbol": "I_std",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "ST¯¯ = GND, T_use = +105 ºC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Standby current I_std, column 2.20 V ~ 2.80 V",
          "symbol": "I_std",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "ST¯¯ = GND, T_use = +105 ºC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Standby current I_std, column 2.70 V ~ 3.63 V",
          "symbol": "I_std",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": null,
          "max": 2.5,
          "conditions": "ST¯¯ = GND, T_use = +105 ºC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Symmetry",
          "symbol": "SYM",
          "kind": "electrical",
          "unit": "%",
          "min": 45,
          "typ": null,
          "max": 55,
          "conditions": "50 % VCC Level",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output high voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "% VCC",
          "min": 90,
          "typ": null,
          "max": null,
          "conditions": "IOH/IOL conditions [mA] per table",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output low voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "% VCC",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "IOH/IOL conditions [mA] per table",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Output load condition",
          "symbol": "L_CMOS",
          "kind": "recommended_operating",
          "unit": "pF",
          "min": null,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Input high voltage (OE or ST¯¯)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "% VCC",
          "min": 70,
          "typ": null,
          "max": null,
          "conditions": "OE or ST¯¯ pin",
          "source_page": 1,
          "source": "datasheet"
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        {
          "name": "Input low voltage (OE or ST¯¯)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "% VCC",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "OE or ST¯¯ pin",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Rise/fall time, Default mode, fO ≤ 40 MHz (rise/fall code A)",
          "symbol": "tr/tf",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "20 % - 80 % VCC, L_CMOS = 15 pF",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Disable time (ST¯¯ path)",
          "symbol": "t_stp",
          "kind": "timing",
          "unit": "μs",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Measured from the time OE or ST¯¯ pin crosses 30 % VCC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Resume time",
          "symbol": "t_res",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Measured from the time ST¯¯ pin crosses 70 % VCC",
          "source_page": 1,
          "source": "datasheet"
        },
        {
          "name": "Start-up time",
          "symbol": "t_str",
          "kind": "timing",
          "unit": "ms",
          "min": null,
          "typ": null,
          "max": 3,
          "conditions": "Measured from the time VCC reaches its rated minimum value, 1.62 V",
          "source_page": 1,
          "source": "datasheet"
        }
      ]
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  "author": {
    "name": "Ray",
    "email": "[email protected]"
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