RS240TXS20

{
  "slug": "rs240txs20",
  "version": "0.1.0",
  "type": "component",
  "description": "Jiangsu RUNIC Tech Buffers, Drivers, Receivers, Transceivers, SOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "rs240txs20",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "rs240txs20.kicad_sym",
    "rs240txs20.kicad_mod",
    "rs240txs20.glb",
    "rs240txs20.step",
    "rs240txs20.lbr",
    "docs/hero.png",
    "docs/rs240txs20-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "rs240txs20-hero.glb",
    "rs240txs20-hero.overlay.json",
    "rs240txs20-etched.glb"
  ],
  "component": {
    "mpn": "RS240TXS20",
    "manufacturer": "Jiangsu RUNIC Tech",
    "package": "SOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603367082348060672",
    "parts": {
      "symbol": "rs240txs20.kicad_sym",
      "footprint": "rs240txs20.kicad_mod",
      "model_3d": "rs240txs20-hero.glb",
      "model_3d_plain": "rs240txs20-etched.glb",
      "model_3d_step": "rs240txs20-etched.step",
      "model_3d_step_plain": "rs240txs20.step",
      "lbr": "rs240txs20.lbr"
    },
    "distributor_links": {
      "lcsc": "C22390268"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T01:49:02Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1OE",
        "type": "input",
        "description": "Active-low output enable for the first 4-bit buffer; pulling 1OE high places all first-buffer outputs (1Y0-1Y3) in the 3-state mode."
      },
      {
        "number": "2",
        "name": "1A0",
        "type": "input",
        "description": "Data input of the first buffer; when 1OE is low the inverted value of 1A0 appears on 1Y0, and it is TTL-compatible (VIH min 2 V, VIL max 0.8 V at VCC 4.5-5.5 V)."
      },
      {
        "number": "3",
        "name": "2Y0",
        "type": "output",
        "description": "Output of the second buffer; it presents the inverted 2A0 data when 2OE is low and goes high-impedance when 2OE is high, with ±24 mA drive at 5 V."
      },
      {
        "number": "4",
        "name": "1A1",
        "type": "input",
        "description": "Data input of the first buffer; when 1OE is low the inverted value of 1A1 appears on 1Y1, and it is TTL-compatible (VIH min 2 V, VIL max 0.8 V at VCC 4.5-5.5 V)."
      },
      {
        "number": "5",
        "name": "2Y1",
        "type": "output",
        "description": "Output of the second buffer; it presents the inverted 2A1 data when 2OE is low and goes high-impedance when 2OE is high, with ±24 mA drive at 5 V."
      },
      {
        "number": "6",
        "name": "1A2",
        "type": "input",
        "description": "Data input of the first buffer; when 1OE is low the inverted value of 1A2 appears on 1Y2, and it is TTL-compatible (VIH min 2 V, VIL max 0.8 V at VCC 4.5-5.5 V)."
      },
      {
        "number": "7",
        "name": "2Y2",
        "type": "output",
        "description": "Output of the second buffer; it presents the inverted 2A2 data when 2OE is low and goes high-impedance when 2OE is high, with ±24 mA drive at 5 V."
      },
      {
        "number": "8",
        "name": "1A3",
        "type": "input",
        "description": "Data input of the first buffer; when 1OE is low the inverted value of 1A3 appears on 1Y3, and it is TTL-compatible (VIH min 2 V, VIL max 0.8 V at VCC 4.5-5.5 V)."
      },
      {
        "number": "9",
        "name": "2Y3",
        "type": "output",
        "description": "Output of the second buffer; it presents the inverted 2A3 data when 2OE is low and goes high-impedance when 2OE is high, with ±24 mA drive at 5 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "11",
        "name": "2A3",
        "type": "input",
        "description": "Data input of the second buffer; when 2OE is low the inverted value of 2A3 appears on 2Y3, and it is TTL-compatible (VIH min 2 V, VIL max 0.8 V at VCC 4.5-5.5 V)."
      },
      {
        "number": "12",
        "name": "1Y3",
        "type": "output",
        "description": "Output of the first buffer; it presents the inverted 1A3 data when 1OE is low and goes high-impedance when 1OE is high, with ±24 mA drive at 5 V."
      },
      {
        "number": "13",
        "name": "2A2",
        "type": "input",
        "description": "Data input of the second buffer; when 2OE is low the inverted value of 2A2 appears on 2Y2, and it is TTL-compatible (VIH min 2 V, VIL max 0.8 V at VCC 4.5-5.5 V)."
      },
      {
        "number": "14",
        "name": "1Y2",
        "type": "output",
        "description": "Output of the first buffer; it presents the inverted 1A2 data when 1OE is low and goes high-impedance when 1OE is high, with ±24 mA drive at 5 V."
      },
      {
        "number": "15",
        "name": "2A1",
        "type": "input",
        "description": "Data input of the second buffer; when 2OE is low the inverted value of 2A1 appears on 2Y1, and it is TTL-compatible (VIH min 2 V, VIL max 0.8 V at VCC 4.5-5.5 V)."
      },
      {
        "number": "16",
        "name": "1Y1",
        "type": "output",
        "description": "Output of the first buffer; it presents the inverted 1A1 data when 1OE is low and goes high-impedance when 1OE is high, with ±24 mA drive at 5 V."
      },
      {
        "number": "17",
        "name": "2A0",
        "type": "input",
        "description": "Data input of the second buffer; when 2OE is low the inverted value of 2A0 appears on 2Y0, and it is TTL-compatible (VIH min 2 V, VIL max 0.8 V at VCC 4.5-5.5 V)."
      },
      {
        "number": "18",
        "name": "1Y0",
        "type": "output",
        "description": "Output of the first buffer; it presents the inverted 1A0 data when 1OE is low and goes high-impedance when 1OE is high, with ±24 mA drive at 5 V."
      },
      {
        "number": "19",
        "name": "2OE",
        "type": "input",
        "description": "Active-low output enable for the second 4-bit buffer; pulling 2OE high places all second-buffer outputs (2Y0-2Y3) in the 3-state mode."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 4.5 V to 5.5 V (4.5 V ≤ VCC ≤ 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": [
          "extractor flagged: The datasheet pin table covers TSSOP20 and SOP20 with one shared pinout, and the ordering table list; Input pin descriptions combine the per-pin function from the pin table with the TTL input levels fro"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0669,
        "at": "2026-10-19T01:44:46"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603367082348060672",
        "pages": 15,
        "sha256": "7ca59235985e3ec5",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "rs240txs20.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.26,
          12.8,
          2.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "6c5b6ea19508d63ca7f6be48434227c9508cd3897526f3a9bbe0322cd5d794fe",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "rs240txs20-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.26,
          12.8,
          2.65
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f170167559fc6c0aca572797157b249ec8cad4ce70091a221175dc8be296055b",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}