SN75182N

{
  "slug": "sn75182n",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Interface - Specialized, PDIP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "communication interface chip-uart-485-232",
    "sn75182n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn75182n.kicad_sym",
    "sn75182n.kicad_mod",
    "sn75182n.glb",
    "sn75182n.step",
    "sn75182n.lbr",
    "docs/hero.png",
    "docs/sn75182n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn75182n-hero.glb",
    "sn75182n-hero.overlay.json",
    "sn75182n-etched.glb"
  ],
  "component": {
    "mpn": "SN75182N",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-14",
    "pin_count": 14,
    "category": "Communication Interface Chip/UART/485/232",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn75182n.pdf",
    "parts": {
      "symbol": "sn75182n.kicad_sym",
      "footprint": "sn75182n.kicad_mod",
      "model_3d": "sn75182n-hero.glb",
      "model_3d_plain": "sn75182n-etched.glb",
      "model_3d_step": "sn75182n-etched.step",
      "model_3d_step_plain": "sn75182n.step",
      "lbr": "sn75182n.lbr"
    },
    "distributor_links": {
      "lcsc": "C2879072",
      "digikey": "2156-SN75182N-ND",
      "mouser": "595-SN75182N"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T15:44:32Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "2156-SN75182N-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN75182N",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1IN–",
        "type": "input",
        "description": "Inverting input of receiver 1, with a common-mode input range of ±15 V and a differential input voltage range of ±15 V, and an input resistance of 3.6 kΩ minimum."
      },
      {
        "number": "2",
        "name": "1RT",
        "type": "passive",
        "description": "Optional built-in line-termination resistor terminal for receiver 1, with a line-terminating resistance of 120 Ω minimum, 170 Ω typical and 250 Ω maximum at TA = 25°C."
      },
      {
        "number": "3",
        "name": "1IN+",
        "type": "input",
        "description": "Noninverting input of receiver 1, with an input resistance of 1.8 kΩ minimum and 2.5 kΩ typical."
      },
      {
        "number": "4",
        "name": "1STRB",
        "type": "input",
        "description": "Channel 1 strobe input, where a low level (0 V to 0.9 V) disables the receiver and forces the output high, and a high level (2.1 V to 5.5 V) or open enables it."
      },
      {
        "number": "5",
        "name": "1RTC",
        "type": "passive",
        "description": "Response-time control terminal for receiver 1, where an optional external capacitor sets the frequency response and noise-pulse immunity."
      },
      {
        "number": "6",
        "name": "1OUT",
        "type": "output",
        "description": "TTL-compatible output of receiver 1, which goes high when the inputs are open circuited and can sink up to 16 mA at low level."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Network ground terminal shared by both receiver halves."
      },
      {
        "number": "8",
        "name": "2OUT",
        "type": "output",
        "description": "TTL-compatible output of receiver 2, which goes high when the inputs are open circuited and can sink up to 16 mA at low level."
      },
      {
        "number": "9",
        "name": "2RTC",
        "type": "passive",
        "description": "Response-time control terminal for receiver 2, where an optional external capacitor sets the frequency response and noise-pulse immunity."
      },
      {
        "number": "10",
        "name": "2STRB",
        "type": "input",
        "description": "Channel 2 strobe input, where a low level (0 V to 0.9 V) disables the receiver and forces the output high, and a high level (2.1 V to 5.5 V) or open enables it."
      },
      {
        "number": "11",
        "name": "2IN+",
        "type": "input",
        "description": "Noninverting input of receiver 2, with an input resistance of 1.8 kΩ minimum and 2.5 kΩ typical."
      },
      {
        "number": "12",
        "name": "2RT",
        "type": "passive",
        "description": "Optional built-in line-termination resistor terminal for receiver 2, with a line-terminating resistance of 120 Ω minimum, 170 Ω typical and 250 Ω maximum at TA = 25°C."
      },
      {
        "number": "13",
        "name": "2IN–",
        "type": "input",
        "description": "Inverting input of receiver 2, with a common-mode input range of ±15 V and a differential input voltage range of ±15 V, and an input resistance of 3.6 kΩ minimum."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Single 5-V supply input, with a recommended supply voltage of 4.5 V to 5.5 V."
      }
    ],
    "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": [],
        "pages_sent": 26,
        "cost_usd": 0.0224,
        "at": "2026-10-28T15:44:19"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn75182n.pdf",
        "pages": 26,
        "sha256": "f21743865b181d3a",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn75182n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.05,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3dae072a95c64bee0d1e58be8e75383639f5017ab982de1749d05808a4eed058",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn75182n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
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        "zmin_mm": -3.3,
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        "sha256": "3df621e8394fa3b3f8f78e6ea9b611705901fc9c08703fc3d77002233826795e",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}