AM26LS31CDBR

{
  "slug": "am26ls31cdbr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments RS-485/RS-422 ICs, SSOP-16-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface ics",
    "am26ls31cdbr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "am26ls31cdbr.kicad_sym",
    "am26ls31cdbr.kicad_mod",
    "am26ls31cdbr.glb",
    "am26ls31cdbr.step",
    "am26ls31cdbr.lbr",
    "docs/hero.png",
    "docs/am26ls31cdbr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "am26ls31cdbr-hero.glb",
    "am26ls31cdbr-hero.overlay.json",
    "am26ls31cdbr-etched.glb"
  ],
  "component": {
    "mpn": "AM26LS31CDBR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-16-208mil",
    "pin_count": 16,
    "category": "Interface ICs",
    "subcategory": "RS-485/RS-422 ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/am26ls31cdbr.pdf",
    "parts": {
      "symbol": "am26ls31cdbr.kicad_sym",
      "footprint": "am26ls31cdbr.kicad_mod",
      "model_3d": "am26ls31cdbr-hero.glb",
      "model_3d_plain": "am26ls31cdbr-etched.glb",
      "model_3d_step": "am26ls31cdbr-etched.step",
      "model_3d_step_plain": "am26ls31cdbr.step",
      "lbr": "am26ls31cdbr.lbr"
    },
    "distributor_links": {
      "lcsc": "C117477",
      "digikey": "296-31470-2-ND",
      "mouser": "595-AM26LS31CDBR"
    },
    "distributor_check": {
      "checked_at": "2026-11-07T00:37:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-31470-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-AM26LS31CDBR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1A",
        "type": "input",
        "description": "Logic data input to RS-422 driver number 1."
      },
      {
        "number": "2",
        "name": "1Y",
        "type": "tri_state",
        "description": "RS-422 data line (true output) of driver 1, 3-state and high impedance in power-off condition."
      },
      {
        "number": "3",
        "name": "1Z",
        "type": "tri_state",
        "description": "RS-422 data line (complementary output) of driver 1, 3-state and high impedance in power-off condition."
      },
      {
        "number": "4",
        "name": "G",
        "type": "input",
        "description": "Driver enable input, active high, common to all four drivers."
      },
      {
        "number": "5",
        "name": "2Z",
        "type": "tri_state",
        "description": "RS-422 data line (complementary output) of driver 2, 3-state and high impedance in power-off condition."
      },
      {
        "number": "6",
        "name": "2Y",
        "type": "tri_state",
        "description": "RS-422 data line (true output) of driver 2, 3-state and high impedance in power-off condition."
      },
      {
        "number": "7",
        "name": "2A",
        "type": "input",
        "description": "Logic data input to RS-422 driver number 2."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground pin (per package drawing; the pin table lists this function at pin 16)."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "input",
        "description": "Logic data input to RS-422 driver number 3."
      },
      {
        "number": "10",
        "name": "3Y",
        "type": "tri_state",
        "description": "RS-422 data line (true output) of driver 3, 3-state and high impedance in power-off condition."
      },
      {
        "number": "11",
        "name": "3Z",
        "type": "tri_state",
        "description": "RS-422 data line (complementary output) of driver 3, 3-state and high impedance in power-off condition."
      },
      {
        "number": "12",
        "name": "~{G}",
        "type": "input",
        "description": "Driver enable input, active low, common to all four drivers."
      },
      {
        "number": "13",
        "name": "4Z",
        "type": "tri_state",
        "description": "RS-422 data line (complementary output) of driver 4, 3-state and high impedance in power-off condition."
      },
      {
        "number": "14",
        "name": "4Y",
        "type": "tri_state",
        "description": "RS-422 data line (true output) of driver 4, 3-state and high impedance in power-off condition."
      },
      {
        "number": "15",
        "name": "4A",
        "type": "input",
        "description": "Logic data input to RS-422 driver number 4."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Power input, connect to 5-V power source (4.75 V to 5.25 V recommended for AM26LS31C, 7 V absolute maximum); the pin table lists this function at pin 8."
      }
    ],
    "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",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pins 4 and 12 are both named G in the extracted text; the active-low one is an overbar G (shown as G; Pin table is shared for the D, DB, N, NS, J and W packages. The datasheet does not give a DB-specifi"
        ],
        "pages_sent": 8,
        "cost_usd": 0.0675,
        "at": "2026-11-07T00:37:17"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/am26ls31cdbr.pdf",
        "pages": 28,
        "sha256": "382fd2e59c5166d5",
        "source_tier": "mfr"
      },
      "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"
    },
    "models_3d": [
      {
        "file": "am26ls31cdbr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d0e11e46aeca5dbaa5c4bb538f3f4899761267cabdeba6486325ae9e979c03ef",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "am26ls31cdbr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          6.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "dcb26c826c49022f78519011aae43c25e54143e4e25383e9383a82d59a205ed3",
        "checked": "2026-11-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}