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Ray Set visibility: public f048085 13d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sn75173n",
  "title": "SN75173N",
  "brief": "Texas Instruments Pre-ordered Chips, PDIP-16. 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",
    "interface ics",
    "sn75173n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN75173N",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-16",
    "pin_count": 16,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn75173n.pdf",
    "parts": {
      "symbol": "sn75173n.kicad_sym",
      "footprint": "sn75173n.kicad_mod",
      "model_3d": "sn75173n-hero.glb",
      "model_3d_plain": "sn75173n-etched.glb",
      "model_3d_step": "sn75173n-etched.step",
      "model_3d_step_plain": "sn75173n.step",
      "lbr": "sn75173n.lbr"
    },
    "distributor_links": {
      "lcsc": "C1544142"
    },
    "distributor_check": {
      "checked_at": "2026-10-27T07:27:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1B",
        "type": "input",
        "description": "Inverting differential line input of receiver 1, with ±200 mV sensitivity over a -12 V to 12 V common-mode range and 12 kΩ min input resistance."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "input",
        "description": "Noninverting differential line input of receiver 1, with ±200 mV sensitivity over a -12 V to 12 V common-mode range and 12 kΩ min input resistance."
      },
      {
        "number": "3",
        "name": "1Y",
        "type": "tri_state",
        "description": "3-state output of receiver 1, driven high when inputs are open circuited (fail-safe) and high-impedance when disabled by the enables."
      },
      {
        "number": "4",
        "name": "G",
        "type": "input",
        "description": "Active-high enable input shared by all four receivers, ORed with the active-low enable; VIH min 2 V, VIL max 0.8 V."
      },
      {
        "number": "5",
        "name": "2Y",
        "type": "tri_state",
        "description": "3-state output of receiver 2, driven high when inputs are open circuited (fail-safe) and high-impedance when disabled by the enables."
      },
      {
        "number": "6",
        "name": "2A",
        "type": "input",
        "description": "Noninverting differential line input of receiver 2, with ±200 mV sensitivity over a -12 V to 12 V common-mode range."
      },
      {
        "number": "7",
        "name": "2B",
        "type": "input",
        "description": "Inverting differential line input of receiver 2, with ±200 mV sensitivity over a -12 V to 12 V common-mode range."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground terminal, reference for all voltage values except differential input voltage."
      },
      {
        "number": "9",
        "name": "3B",
        "type": "input",
        "description": "Inverting differential line input of receiver 3, with ±200 mV sensitivity over a -12 V to 12 V common-mode range."
      },
      {
        "number": "10",
        "name": "3A",
        "type": "input",
        "description": "Noninverting differential line input of receiver 3, with ±200 mV sensitivity over a -12 V to 12 V common-mode range."
      },
      {
        "number": "11",
        "name": "3Y",
        "type": "tri_state",
        "description": "3-state output of receiver 3, driven high when inputs are open circuited (fail-safe) and high-impedance when disabled by the enables."
      },
      {
        "number": "12",
        "name": "~{G}",
        "type": "input",
        "description": "Active-low enable input shared by all four receivers, ORed with the active-high enable; VIH min 2 V, VIL max 0.8 V."
      },
      {
        "number": "13",
        "name": "4Y",
        "type": "tri_state",
        "description": "3-state output of receiver 4, driven high when inputs are open circuited (fail-safe) and high-impedance when disabled by the enables."
      },
      {
        "number": "14",
        "name": "4A",
        "type": "input",
        "description": "Noninverting differential line input of receiver 4, with ±200 mV sensitivity over a -12 V to 12 V common-mode range."
      },
      {
        "number": "15",
        "name": "4B",
        "type": "input",
        "description": "Inverting differential line input of receiver 4, with ±200 mV sensitivity over a -12 V to 12 V common-mode range."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Single 5-V supply; recommended 4.75 V to 5.25 V for SN75173, absolute maximum 7 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The overbar on the active-low enable was lost in the text extraction, so both enables appear as 'G'.; The datasheet gives no pin-type classes. Y outputs are classed tri_state because the datasheet calls"
        ],
        "pages_sent": 20,
        "cost_usd": 0.1361,
        "at": "2026-10-27T07:26:47"
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      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn75173n.pdf",
        "pages": 20,
        "sha256": "ea1668424730f0e7",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
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    "viewers": {
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        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
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        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-27",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "PDIP-16",
      "Category": "Interface ICs",
      "Pins": "16"
    },
    "characteristics": {
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      "source": "datasheet",
      "datasheet_sha256": "ea1668424730f0e77d0182ca1daa18465729e21b1135f397cec1ad9e80f2cf7e",
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          "conditions": "see Note 1",
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          "symbol": "VI",
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          "conditions": "see Note 2",
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        {
          "name": "Enable input voltage",
          "symbol": "VI",
          "kind": "absolute_maximum",
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        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Package thermal impedance, N package",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 67,
          "max": null,
          "conditions": "see Note 3, N package",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Lead temperature, D or N package",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 260,
          "conditions": "1,6 mm from case for 10 seconds",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.75,
          "typ": 5,
          "max": 5.25,
          "conditions": "SN65173, SN75173",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Common-mode input voltage",
          "symbol": "VIC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": -12,
          "typ": null,
          "max": 12,
          "conditions": "",
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        },
        {
          "name": "Differential input voltage",
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          "min": -12,
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          "source_page": 4,
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        {
          "name": "High-level enable-input voltage",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Low-level enable-input voltage",
          "symbol": "VIL",
          "kind": "recommended_operating",
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          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "High-level output current",
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          "kind": "recommended_operating",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -400,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Low-level output current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 16,
          "conditions": "",
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        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
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          "unit": "°C",
          "min": 0,
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          "conditions": "SN75173",
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          "name": "Positive-going input threshold voltage",
          "symbol": "VIT+",
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          "conditions": "VO = 2.7 V, IO = –0.4 mA",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Negative-going input threshold voltage",
          "symbol": "VIT–",
          "kind": "electrical",
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          "max": null,
          "conditions": "VO = 0.5 V, IO = 16 mA",
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        {
          "name": "Hysteresis (VIT+ – VIT–)",
          "symbol": "Vhys",
          "kind": "electrical",
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          "min": null,
          "typ": 50,
          "max": null,
          "conditions": "See Figure 4",
          "source_page": 5,
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        },
        {
          "name": "Enable-input clamp voltage",
          "symbol": "VIK",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1.5,
          "conditions": "II = –18 mA",
          "source_page": 5,
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        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 2.7,
          "typ": null,
          "max": null,
          "conditions": "VID = 200 mV, IOH = –400 µA, SN75173",
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          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "conditions": "VID = –200 mV, IOL = 8 mA, See Figure 1",
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          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "conditions": "VID = –200 mV, IOL = 16 mA, See Figure 1",
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        {
          "name": "High-impedance-state output current",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VO = 0.4 V to 2.4 V",
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          "name": "Line input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "Other input at 0 V, VI = 12 V, See Note 3",
          "source_page": 5,
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        },
        {
          "name": "Line input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "mA",
          "min": -0.8,
          "typ": null,
          "max": null,
          "conditions": "Other input at 0 V, VI = –7 V, See Note 3",
          "source_page": 5,
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        },
        {
          "name": "High-level enable-input current",
          "symbol": "IIH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
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          "max": 20,
          "conditions": "VIH = 2.7 V",
          "source_page": 5,
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        {
          "name": "Low-level enable-input current",
          "symbol": "IIL",
          "kind": "electrical",
          "unit": "µA",
          "min": -100,
          "typ": null,
          "max": null,
          "conditions": "VIL = 0.4 V",
          "source_page": 5,
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        },
        {
          "name": "Input resistance",
          "symbol": "ri",
          "kind": "electrical",
          "unit": "kΩ",
          "min": 12,
          "typ": null,
          "max": null,
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          "source_page": 5,
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        {
          "name": "Short-circuit output current",
          "symbol": "IOS",
          "kind": "electrical",
          "unit": "mA",
          "min": -15,
          "typ": null,
          "max": -85,
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          "source_page": 5,
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          "symbol": "ICC",
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          "min": null,
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          "max": 70,
          "conditions": "Outputs disabled",
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        },
        {
          "name": "Propagation delay time, low-to-high-level output",
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          "source_page": 5,
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        {
          "name": "Propagation delay time, high-to-low-level output",
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          "source": "datasheet"
        },
        {
          "name": "Output enable time to high level",
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          "conditions": "CL = 15 pF, See Figure 2",
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          "conditions": "CL = 15 pF, See Figure 3",
          "source_page": 5,
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          "name": "Output disable time from high level",
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          "conditions": "CL = 5 pF, See Figure 2",
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          "name": "Output disable time from low level",
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          "conditions": "CL = 5 pF, See Figure 3",
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          "source": "datasheet"
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  },
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  "discovery_triggers": [
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  ],
  "discovery_pitch": "SN75173N (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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  }
}