SCANSTA112VSX

{
  "slug": "scansta112vsx",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Interface - Specialized, TQFP-100(14x14). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "interface",
    "scansta112vsx",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "scansta112vsx.kicad_sym",
    "scansta112vsx.kicad_mod",
    "scansta112vsx.glb",
    "scansta112vsx.step",
    "scansta112vsx.lbr",
    "docs/hero.png",
    "docs/scansta112vsx-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "scansta112vsx-hero.glb",
    "scansta112vsx-hero.overlay.json"
  ],
  "component": {
    "mpn": "SCANSTA112VSX",
    "manufacturer": "Texas Instruments",
    "package": "TQFP-100(14x14)",
    "pin_count": 100,
    "category": "Interface",
    "subcategory": "Interface - Specialized",
    "datasheet": "https://www.ti.com/cn/lit/gpn/scansta112",
    "parts": {
      "symbol": "scansta112vsx.kicad_sym",
      "footprint": "scansta112vsx.kicad_mod",
      "model_3d": "scansta112vsx-hero.glb",
      "model_3d_plain": "scansta112vsx.glb",
      "model_3d_step": "scansta112vsx-etched.step",
      "model_3d_step_plain": "scansta112vsx.step",
      "lbr": "scansta112vsx.lbr"
    },
    "distributor_links": {
      "lcsc": "C2870047",
      "digikey": "SCANSTA112VSX-ND",
      "mouser": "926-SCANSTA112VSX"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:56:09Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "SCANSTA112VSX-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "926-SCANSTA112VSX",
        "status": "found",
        "lifecycle": "Obsolete"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S0",
        "type": "input",
        "description": "Slot identification input bit 0, used to assign a unique address to this device on the backplane."
      },
      {
        "number": "2",
        "name": "S1",
        "type": "input",
        "description": "Slot identification input bit 1, used to assign a unique address to this device on the backplane."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "4",
        "name": "S2",
        "type": "input",
        "description": "Slot identification input bit 2, used to assign a unique address to this device on the backplane."
      },
      {
        "number": "5",
        "name": "S3",
        "type": "input",
        "description": "Slot identification input bit 3, used to assign a unique address to this device on the backplane."
      },
      {
        "number": "6",
        "name": "S4",
        "type": "input",
        "description": "Slot identification input bit 4, used to assign a unique address to this device on the backplane."
      },
      {
        "number": "7",
        "name": "S5",
        "type": "input",
        "description": "Slot identification input bit 5, used to assign a unique address to this device on the backplane."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "9",
        "name": "S6",
        "type": "input",
        "description": "Slot identification input bit 6, used to assign a unique address to this device on the backplane."
      },
      {
        "number": "10",
        "name": "S7",
        "type": "input",
        "description": "Slot identification input bit 7, used to assign a unique address to this device on the backplane."
      },
      {
        "number": "11",
        "name": "ADDMASK",
        "type": "input",
        "description": "Address mask input that allows masking of lower slot input pins."
      },
      {
        "number": "12",
        "name": "TRANS",
        "type": "input",
        "description": "Transparent mode enable input, loaded into the TRANSENABLE bit of the control register at power-up."
      },
      {
        "number": "13",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "14",
        "name": "OE",
        "type": "input",
        "description": "Active-low output enable for the local scan ports; when high it TRI-STATEs all local scan ports."
      },
      {
        "number": "15",
        "name": "LSPsel0",
        "type": "input",
        "description": "In Stitcher Mode defines whether LSP0 is included in the scan chain."
      },
      {
        "number": "16",
        "name": "LSPsel1",
        "type": "input",
        "description": "In Stitcher Mode defines whether LSP1 is included in the scan chain."
      },
      {
        "number": "17",
        "name": "LSPsel2",
        "type": "input",
        "description": "In Stitcher Mode defines whether LSP2 is included in the scan chain."
      },
      {
        "number": "18",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "19",
        "name": "LSPsel3",
        "type": "input",
        "description": "In Stitcher Mode defines whether LSP3 is included in the scan chain."
      },
      {
        "number": "20",
        "name": "LSPsel4",
        "type": "input",
        "description": "In Stitcher Mode defines whether LSP4 is included in the scan chain."
      },
      {
        "number": "21",
        "name": "LSPsel5",
        "type": "input",
        "description": "In Stitcher Mode defines whether LSP5 is included in the scan chain."
      },
      {
        "number": "22",
        "name": "LSPsel6",
        "type": "input",
        "description": "In Stitcher Mode defines whether LSP6 is included in the scan chain."
      },
      {
        "number": "23",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "24",
        "name": "MPselB1/B0",
        "type": "input",
        "description": "Master port selection: 0 selects LSPB0 as the backplane master port, and the unselected port becomes LSP00."
      },
      {
        "number": "25",
        "name": "SB/S",
        "type": "input",
        "description": "Selects ScanBridge or Stitcher Mode."
      },
      {
        "number": "26",
        "name": "TDIB0",
        "type": "input",
        "description": "Backplane test data input with 25kΩ internal pull-up and no ESD clamp diode."
      },
      {
        "number": "27",
        "name": "TDOB0",
        "type": "bidirectional",
        "description": "Backplane test data output, bidirectional TRI-STATE pin with 12mA drive."
      },
      {
        "number": "28",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "29",
        "name": "A0B0",
        "type": "input",
        "description": "Backplane pass-through input with 25kΩ internal pull-up, driven to Y of a single selected LSP."
      },
      {
        "number": "30",
        "name": "TCKB0",
        "type": "bidirectional",
        "description": "Backplane test clock, bidirectional TRI-STATE pin with 24mA drive and hysteresis, no pull-up."
      },
      {
        "number": "31",
        "name": "TRSTB0",
        "type": "bidirectional",
        "description": "Active-low asynchronous test reset, bidirectional TRI-STATE pin with 24mA drive and 25kΩ pull-up."
      },
      {
        "number": "32",
        "name": "TMSB0",
        "type": "bidirectional",
        "description": "Backplane test mode select, bidirectional TRI-STATE pin with 24mA drive and 25kΩ pull-up."
      },
      {
        "number": "33",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "34",
        "name": "A1B0",
        "type": "input",
        "description": "Backplane pass-through input with 25kΩ internal pull-up, driven to Y of a single selected LSP."
      },
      {
        "number": "35",
        "name": "TRISTB0",
        "type": "output",
        "description": "TRI-STATE notification output, asserted high when TDOB0 is TRI-STATEd, 12mA drive."
      },
      {
        "number": "36",
        "name": "Y0B0",
        "type": "output",
        "description": "Backplane pass-through TRI-STATE output driven from A of a single selected LSP, 12mA drive."
      },
      {
        "number": "37",
        "name": "Y1B0",
        "type": "output",
        "description": "Backplane pass-through TRI-STATE output driven from A of a single selected LSP, 12mA drive."
      },
      {
        "number": "38",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "39",
        "name": "TDIB1",
        "type": "input",
        "description": "Backplane test data input with 25kΩ internal pull-up and no ESD clamp diode."
      },
      {
        "number": "40",
        "name": "TDOB1",
        "type": "bidirectional",
        "description": "Backplane test data output, bidirectional TRI-STATE pin with 12mA drive."
      },
      {
        "number": "41",
        "name": "A0B1",
        "type": "input",
        "description": "Backplane pass-through input with 25kΩ internal pull-up, driven to Y of a single selected LSP."
      },
      {
        "number": "42",
        "name": "TCKB1",
        "type": "bidirectional",
        "description": "Backplane test clock, bidirectional TRI-STATE pin with 24mA drive and hysteresis, no pull-up."
      },
      {
        "number": "43",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "44",
        "name": "TRSTB1",
        "type": "bidirectional",
        "description": "Active-low asynchronous test reset, bidirectional TRI-STATE pin with 24mA drive and 25kΩ pull-up."
      },
      {
        "number": "45",
        "name": "TMSB1",
        "type": "bidirectional",
        "description": "Backplane test mode select, bidirectional TRI-STATE pin with 24mA drive and 25kΩ pull-up."
      },
      {
        "number": "46",
        "name": "Y1B1",
        "type": "output",
        "description": "Backplane pass-through TRI-STATE output driven from A of a single selected LSP, 12mA drive."
      },
      {
        "number": "47",
        "name": "TRISTB1",
        "type": "output",
        "description": "TRI-STATE notification output, asserted high when TDOB1 is TRI-STATEd, 12mA drive."
      },
      {
        "number": "48",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "49",
        "name": "Y0B1",
        "type": "output",
        "description": "Backplane pass-through TRI-STATE output driven from A of a single selected LSP, 12mA drive."
      },
      {
        "number": "50",
        "name": "A1B1",
        "type": "input",
        "description": "Backplane pass-through input with 25kΩ internal pull-up, driven to Y of a single selected LSP."
      },
      {
        "number": "51",
        "name": "TLR_TRST",
        "type": "input",
        "description": "Sets driven value of TRST0-5 when LSP TAPs are in TLR; to be tied low to match the SCANSTA111."
      },
      {
        "number": "52",
        "name": "TLR_TRST6",
        "type": "input",
        "description": "Affects TRST of LSP6 only; to be tied low to match the SCANSTA111."
      },
      {
        "number": "53",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "54",
        "name": "RESET",
        "type": "input",
        "description": "Active-low reset input that forces a device reset regardless of current state."
      },
      {
        "number": "55",
        "name": "TDI01",
        "type": "input",
        "description": "Test data input for local scan port 01 with 25kΩ internal pull-up."
      },
      {
        "number": "56",
        "name": "TDO01",
        "type": "tri_state",
        "description": "Test data output for local scan port 01, TRI-STATE with 12mA drive."
      },
      {
        "number": "57",
        "name": "TMS01",
        "type": "tri_state",
        "description": "Test mode select output for local scan port 01, TRI-STATE with 24mA drive, no pull-up."
      },
      {
        "number": "58",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "59",
        "name": "TCK01",
        "type": "tri_state",
        "description": "Local test clock output for port 01, buffered TCKB, TRI-STATE with 24mA drive."
      },
      {
        "number": "60",
        "name": "TRST01",
        "type": "tri_state",
        "description": "Active-low local test reset for port 01, gated TRSTB, TRI-STATE with 24mA drive."
      },
      {
        "number": "61",
        "name": "TRIST01",
        "type": "output",
        "description": "TRI-STATE notification output, asserted high when TDO01 is TRI-STATEd, 12mA drive."
      },
      {
        "number": "62",
        "name": "Y101",
        "type": "output",
        "description": "Local pass-through TRI-STATE output driven from backplane pin A, 12mA drive."
      },
      {
        "number": "63",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "64",
        "name": "A101",
        "type": "input",
        "description": "Local pass-through input with 25kΩ pull-up, can be driven to backplane pin Y."
      },
      {
        "number": "65",
        "name": "Y001",
        "type": "output",
        "description": "Local pass-through TRI-STATE output driven from backplane pin A, 12mA drive."
      },
      {
        "number": "66",
        "name": "A001",
        "type": "input",
        "description": "Local pass-through input with 25kΩ pull-up, can be driven to backplane pin Y."
      },
      {
        "number": "67",
        "name": "TDI02",
        "type": "input",
        "description": "Test data input for local scan port 02 with 25kΩ internal pull-up."
      },
      {
        "number": "68",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "69",
        "name": "TDO02",
        "type": "tri_state",
        "description": "Test data output for local scan port 02, TRI-STATE with 12mA drive."
      },
      {
        "number": "70",
        "name": "TMS02",
        "type": "tri_state",
        "description": "Test mode select output for local scan port 02, TRI-STATE with 24mA drive, no pull-up."
      },
      {
        "number": "71",
        "name": "TCK02",
        "type": "tri_state",
        "description": "Local test clock output for port 02, buffered TCKB, TRI-STATE with 24mA drive."
      },
      {
        "number": "72",
        "name": "TRST02",
        "type": "tri_state",
        "description": "Active-low local test reset for port 02, gated TRSTB, TRI-STATE with 24mA drive."
      },
      {
        "number": "73",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "74",
        "name": "TRIST02",
        "type": "output",
        "description": "TRI-STATE notification output, asserted high when TDO02 is TRI-STATEd, 12mA drive."
      },
      {
        "number": "75",
        "name": "TDI03",
        "type": "input",
        "description": "Test data input for local scan port 03 with 25kΩ internal pull-up."
      },
      {
        "number": "76",
        "name": "TDO03",
        "type": "tri_state",
        "description": "Test data output for local scan port 03, TRI-STATE with 12mA drive."
      },
      {
        "number": "77",
        "name": "TMS03",
        "type": "tri_state",
        "description": "Test mode select output for local scan port 03, TRI-STATE with 24mA drive, no pull-up."
      },
      {
        "number": "78",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "79",
        "name": "TRST03",
        "type": "tri_state",
        "description": "Active-low local test reset for port 03, gated TRSTB, TRI-STATE with 24mA drive."
      },
      {
        "number": "80",
        "name": "TCK03",
        "type": "tri_state",
        "description": "Local test clock output for port 03, buffered TCKB, TRI-STATE with 24mA drive."
      },
      {
        "number": "81",
        "name": "TRIST03",
        "type": "output",
        "description": "TRI-STATE notification output, asserted high when TDO03 is TRI-STATEd, 12mA drive."
      },
      {
        "number": "82",
        "name": "TDI04",
        "type": "input",
        "description": "Test data input for local scan port 04 with 25kΩ internal pull-up."
      },
      {
        "number": "83",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "84",
        "name": "TDO04",
        "type": "tri_state",
        "description": "Test data output for local scan port 04, TRI-STATE with 12mA drive."
      },
      {
        "number": "85",
        "name": "TMS04",
        "type": "tri_state",
        "description": "Test mode select output for local scan port 04, TRI-STATE with 24mA drive, no pull-up."
      },
      {
        "number": "86",
        "name": "TCK04",
        "type": "tri_state",
        "description": "Local test clock output for port 04, buffered TCKB, TRI-STATE with 24mA drive."
      },
      {
        "number": "87",
        "name": "TRST04",
        "type": "tri_state",
        "description": "Active-low local test reset for port 04, gated TRSTB, TRI-STATE with 24mA drive."
      },
      {
        "number": "88",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "89",
        "name": "TMS05",
        "type": "tri_state",
        "description": "Test mode select output for local scan port 05, TRI-STATE with 24mA drive, no pull-up."
      },
      {
        "number": "90",
        "name": "TDO05",
        "type": "tri_state",
        "description": "Test data output for local scan port 05, TRI-STATE with 12mA drive."
      },
      {
        "number": "91",
        "name": "TDI05",
        "type": "input",
        "description": "Test data input for local scan port 05 with 25kΩ internal pull-up."
      },
      {
        "number": "92",
        "name": "TCK05",
        "type": "tri_state",
        "description": "Local test clock output for port 05, buffered TCKB, TRI-STATE with 24mA drive."
      },
      {
        "number": "93",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply, 3.0V to 3.6V."
      },
      {
        "number": "94",
        "name": "TRST05",
        "type": "tri_state",
        "description": "Active-low local test reset for port 05, gated TRSTB, TRI-STATE with 24mA drive."
      },
      {
        "number": "95",
        "name": "TDI06",
        "type": "input",
        "description": "Test data input for local scan port 06 with 25kΩ internal pull-up."
      },
      {
        "number": "96",
        "name": "TDO06",
        "type": "tri_state",
        "description": "Test data output for local scan port 06, TRI-STATE with 12mA drive."
      },
      {
        "number": "97",
        "name": "TMS06",
        "type": "tri_state",
        "description": "Test mode select output for local scan port 06, TRI-STATE with 24mA drive, no pull-up."
      },
      {
        "number": "98",
        "name": "GND",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "99",
        "name": "TCK06",
        "type": "tri_state",
        "description": "Local test clock output for port 06, buffered TCKB, TRI-STATE with 24mA drive."
      },
      {
        "number": "100",
        "name": "TRST06",
        "type": "tri_state",
        "description": "Active-low local test reset for port 06, gated TRSTB, TRI-STATE with 24mA drive."
      }
    ],
    "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: MPN SCANSTA112VSX is not listed verbatim in the package addendum. The closest orderable, SCANSTA112V; The datasheet text calls TDIB0/TDIB1 inputs and TDOB/TCKB/TMSB/TRSTB I/O. Pin types follow the pin d",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 23,
        "cost_usd": 0.7283,
        "at": "2026-10-08T16:55:36"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/scansta112",
        "pages": 23,
        "sha256": "a1bace26a628d459",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 100,
        "described": 100,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "scansta112vsx.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "99d530be126138ea024746562f1110203db0273456e99932e7e1930dc9f5fba5",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "scansta112vsx-etched.step",
        "role": "eda",
        "up": "Z",
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        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "sha256": "b19e6a0e19e8142963f7f1053ef032c8d606d646603e7c37f22986948fcf8737",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}