AM26C31IDR

{
  "schema_version": 1,
  "type": "component",
  "slug": "am26c31idr",
  "title": "AM26C31IDR",
  "brief": "Texas Instruments Buffer/Driver/Transceiver, SOIC-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.2.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "am26c31idr"
  ],
  "component": {
    "mpn": "AM26C31IDR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Buffer/Driver/Transceiver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/am26c31.pdf",
    "parts": {
      "symbol": "am26c31idr.kicad_sym",
      "footprint": "am26c31idr.kicad_mod",
      "model_3d": "am26c31idr-etched.glb",
      "model_3d_plain": "am26c31idr.glb",
      "model_3d_step": "am26c31idr-etched.step",
      "model_3d_step_plain": "am26c31idr.step",
      "lbr": "am26c31idr.lbr"
    },
    "distributor_links": {
      "lcsc": "C34923"
    },
    "pins": [
      {
        "number": "1",
        "name": "1A",
        "type": "input",
        "description": "Driver 1 single-ended input. TTL/CMOS-compatible logic input (VIH ≥ 2 V, VIL ≤ 0.8 V) that drives the differential 1Y/1Z output pair."
      },
      {
        "number": "2",
        "name": "1Y",
        "type": "tri_state",
        "description": "Driver 1 non-inverting differential output. 3-state output capable of ±20 mA drive into a 100 Ω line; forced to high-impedance when the driver is disabled via the enable pins."
      },
      {
        "number": "3",
        "name": "1Z",
        "type": "tri_state",
        "description": "Driver 1 inverted differential output. 3-state complementary output paired with 1Y; goes high-impedance when disabled."
      },
      {
        "number": "4",
        "name": "G",
        "type": "input",
        "description": "Active-high output enable, common to all four drivers. When G=H and G-bar=L, all Y/Z outputs are active; otherwise outputs are placed in the high-impedance state."
      },
      {
        "number": "5",
        "name": "2Z",
        "type": "tri_state",
        "description": "Driver 2 inverted differential output. 3-state complementary output paired with 2Y."
      },
      {
        "number": "6",
        "name": "2Y",
        "type": "tri_state",
        "description": "Driver 2 non-inverting differential output. 3-state output paired with 2Z; capable of ±20 mA into a 100 Ω line."
      },
      {
        "number": "7",
        "name": "2A",
        "type": "input",
        "description": "Driver 2 single-ended TTL/CMOS input driving the differential 2Y/2Z output pair."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference (0 V). All voltages are referenced to this network ground terminal."
      },
      {
        "number": "9",
        "name": "3A",
        "type": "input",
        "description": "Driver 3 single-ended TTL/CMOS input driving the differential 3Y/3Z output pair."
      },
      {
        "number": "10",
        "name": "3Y",
        "type": "tri_state",
        "description": "Driver 3 non-inverting differential output. 3-state output paired with 3Z."
      },
      {
        "number": "11",
        "name": "3Z",
        "type": "tri_state",
        "description": "Driver 3 inverted differential output. 3-state complementary output paired with 3Y."
      },
      {
        "number": "12",
        "name": "G",
        "type": "input",
        "description": "Active-low output enable (G-bar), common to all four drivers. Must be LOW (and G HIGH) for outputs to be active; otherwise outputs go to high-impedance."
      },
      {
        "number": "13",
        "name": "4Z",
        "type": "tri_state",
        "description": "Driver 4 inverted differential output. 3-state complementary output paired with 4Y."
      },
      {
        "number": "14",
        "name": "4Y",
        "type": "tri_state",
        "description": "Driver 4 non-inverting differential output. 3-state output paired with 4Z."
      },
      {
        "number": "15",
        "name": "4A",
        "type": "input",
        "description": "Driver 4 single-ended TTL/CMOS input driving the differential 4Y/4Z output pair."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage, 4.5 V to 5.5 V (5 V nominal). ICC ≈ 100 µA typical; bypass to GND with a 0.1 µF capacitor close to the pin."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/am26c31.pdf",
        "pages": 39,
        "sha256": "c5ab343a1319884d",
        "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"
    },
    "pin1": {
      "pad": "1",
      "at": [
        -2.475,
        -4.445
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "SOIC-16_3.9x9.9mm_P1.27mm@sha256:f9b5075740f7816c",
      "mark": "drawn"
    },
    "models_3d": [
      {
        "file": "am26c31idr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "am26c31idr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "506e67c832cb32fc858d5ce448389aff2b398c4b572ab52c853b0bfa8339a64d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "am26c31idr"
  ],
  "discovery_pitch": "AM26C31IDR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "am26c31idr.kicad_sym",
    "am26c31idr.kicad_mod",
    "am26c31idr.glb",
    "am26c31idr.step",
    "am26c31idr-etched.step",
    "am26c31idr.lbr",
    "docs/hero.png",
    "docs/am26c31idr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "visibility": {
    "public": true
  },
  "variants": [
    {
      "mpn": "AM26C31IDRD",
      "kind": "packaging"
    },
    {
      "mpn": "AM26C31IDR",
      "kind": "packaging"
    },
    {
      "mpn": "AM26C31IDRIDG4",
      "kind": "packaging"
    },
    {
      "mpn": "AM26C31IDRDB",
      "kind": "packaging"
    },
    {
      "mpn": "AM26C31IDRPW",
      "kind": "packaging"
    },
    {
      "mpn": "AM26C31IDRNS",
      "kind": "packaging"
    },
    {
      "mpn": "AM26C31IDRN",
      "kind": "packaging"
    },
    {
      "mpn": "AM26C31IDRJ",
      "kind": "packaging"
    },
    {
      "mpn": "AM26C31IDRW",
      "kind": "packaging"
    },
    {
      "mpn": "AM26C31IDRFK",
      "kind": "packaging"
    }
  ],
  "updated_at": "2026-09-24T16:17:00.141Z"
}