DS34LV87TM

{
  "slug": "ds34lv87tm",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RS-485 / RS-422 ICs, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "ds34lv87tm",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "ds34lv87tm.kicad_sym",
    "ds34lv87tm.kicad_mod",
    "ds34lv87tm.glb",
    "ds34lv87tm.step",
    "ds34lv87tm.lbr",
    "docs/hero.png",
    "docs/ds34lv87tm-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ds34lv87tm-hero.glb",
    "ds34lv87tm-hero.overlay.json"
  ],
  "component": {
    "mpn": "DS34LV87TM",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Interface",
    "subcategory": "RS-485 / RS-422 ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/ds34lv87t",
    "parts": {
      "symbol": "ds34lv87tm.kicad_sym",
      "footprint": "ds34lv87tm.kicad_mod",
      "model_3d": "ds34lv87tm-hero.glb",
      "model_3d_plain": "ds34lv87tm.glb",
      "model_3d_step": "ds34lv87tm-etched.step",
      "model_3d_step_plain": "ds34lv87tm.step",
      "lbr": "ds34lv87tm.lbr"
    },
    "distributor_links": {
      "lcsc": "C1543778",
      "digikey": "DS34LV87TM-ND",
      "mouser": "926-DS34LV87TM"
    },
    "distributor_check": {
      "checked_at": "2026-10-06T03:53:45Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "DS34LV87TM-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-DS34LV87TM",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "DI1",
        "type": "input",
        "description": "Driver 1 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes."
      },
      {
        "number": "2",
        "name": "DO1+",
        "type": "output",
        "description": "Driver 1 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."
      },
      {
        "number": "3",
        "name": "DO1-",
        "type": "output",
        "description": "Driver 1 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."
      },
      {
        "number": "4",
        "name": "EN",
        "type": "input",
        "description": "Enable input for drivers 1 and 2; outputs are TRI-STATE when low and active when high."
      },
      {
        "number": "5",
        "name": "DO2-",
        "type": "output",
        "description": "Driver 2 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."
      },
      {
        "number": "6",
        "name": "DO2+",
        "type": "output",
        "description": "Driver 2 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."
      },
      {
        "number": "7",
        "name": "DI2",
        "type": "input",
        "description": "Driver 2 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "9",
        "name": "DI3",
        "type": "input",
        "description": "Driver 3 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes."
      },
      {
        "number": "10",
        "name": "DO3+",
        "type": "output",
        "description": "Driver 3 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."
      },
      {
        "number": "11",
        "name": "DO3-",
        "type": "output",
        "description": "Driver 3 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."
      },
      {
        "number": "12",
        "name": "EN",
        "type": "input",
        "description": "Enable input for drivers 3 and 4; outputs are TRI-STATE when low and active when high."
      },
      {
        "number": "13",
        "name": "DO4-",
        "type": "output",
        "description": "Driver 4 inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."
      },
      {
        "number": "14",
        "name": "DO4+",
        "type": "output",
        "description": "Driver 4 non-inverting differential output, TRI-STATE when EN is low, RS-422 compliant with ESD of 7 kV or more (HBM)."
      },
      {
        "number": "15",
        "name": "DI4",
        "type": "input",
        "description": "Driver 4 input, LVTTL/LVCMOS compatible with VIH 2.0V min and VIL 0.8V max, protected by ESD diodes."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage of 3.0V to 3.6V (3.3V typical), with 0.1 µF in parallel with 0.01 µF bypass recommended."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pins 4 and 12 are both named EN; the connection diagram shows pin 4 driving drivers D1/D2 and pin 12",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 15,
        "cost_usd": 0.3002,
        "at": "2026-10-06T03:53:29"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/ds34lv87t",
        "pages": 15,
        "sha256": "f24d19802fb8c798",
        "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"
    }
  }
}