HT7106ARQZ44

{
  "slug": "ht7106arqz44",
  "version": "0.1.0",
  "type": "component",
  "description": "HTCSEMI Translators / Level Shifters, LQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "ht7106arqz44",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
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    "README.md",
    "ht7106arqz44.kicad_sym",
    "ht7106arqz44.kicad_mod",
    "ht7106arqz44.glb",
    "ht7106arqz44.step",
    "ht7106arqz44.lbr",
    "docs/hero.png",
    "docs/ht7106arqz44-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "ht7106arqz44-hero.glb",
    "ht7106arqz44-hero.overlay.json",
    "ht7106arqz44-etched.glb"
  ],
  "component": {
    "mpn": "HT7106ARQZ44",
    "manufacturer": "HTCSEMI",
    "package": "LQFP-44(10x10)",
    "pin_count": 44,
    "category": "Logic ICs",
    "subcategory": "Translators / Level Shifters",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/e99e02c2e5139a6c301ac63ad884c55e.pdf",
    "parts": {
      "symbol": "ht7106arqz44.kicad_sym",
      "footprint": "ht7106arqz44.kicad_mod",
      "model_3d": "ht7106arqz44-hero.glb",
      "model_3d_plain": "ht7106arqz44-etched.glb",
      "model_3d_step": "ht7106arqz44-etched.step",
      "model_3d_step_plain": "ht7106arqz44.step",
      "lbr": "ht7106arqz44.lbr"
    },
    "distributor_links": {
      "lcsc": "C2928793"
    },
    "distributor_check": {
      "checked_at": "2026-10-23T18:24:41Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "deferred",
        "error": "shared DigiKey quota guard: 884 calls left today"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "2",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "3",
        "name": "TEST",
        "type": "input",
        "description": "Test pin, shown in the pinout as TEST; the datasheet gives no further function."
      },
      {
        "number": "4",
        "name": "OSC3",
        "type": "passive",
        "description": "Oscillator pin 3, used with OSC1 and OSC2 for the RC oscillator option."
      },
      {
        "number": "5",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "6",
        "name": "OSC2",
        "type": "passive",
        "description": "Oscillator pin 2, used with a crystal between OSC1 and OSC2 or in the RC oscillator."
      },
      {
        "number": "7",
        "name": "OSC1",
        "type": "input",
        "description": "Oscillator pin 1, accepts an external clock, or a crystal or RC network; the clock frequency divided by 800 sets the backplane frequency."
      },
      {
        "number": "8",
        "name": "V+",
        "type": "power_in",
        "description": "Positive supply; the supply voltage (V+ to V-) is rated at 15 V absolute maximum and is 9.0 V in the electrical characteristics."
      },
      {
        "number": "9",
        "name": "D1",
        "type": "output",
        "description": "LCD segment D drive output for the units (1's) digit."
      },
      {
        "number": "10",
        "name": "C1",
        "type": "output",
        "description": "LCD segment C drive output for the units (1's) digit."
      },
      {
        "number": "11",
        "name": "B1",
        "type": "output",
        "description": "LCD segment B drive output for the units (1's) digit."
      },
      {
        "number": "12",
        "name": "A1",
        "type": "output",
        "description": "LCD segment A drive output for the units (1's) digit."
      },
      {
        "number": "13",
        "name": "F1",
        "type": "output",
        "description": "LCD segment F drive output for the units (1's) digit."
      },
      {
        "number": "14",
        "name": "G1",
        "type": "output",
        "description": "LCD segment G drive output for the units (1's) digit."
      },
      {
        "number": "15",
        "name": "E1",
        "type": "output",
        "description": "LCD segment E drive output for the units (1's) digit."
      },
      {
        "number": "16",
        "name": "D2",
        "type": "output",
        "description": "LCD segment D drive output for the tens (10's) digit."
      },
      {
        "number": "17",
        "name": "C2",
        "type": "output",
        "description": "LCD segment C drive output for the tens (10's) digit."
      },
      {
        "number": "18",
        "name": "B2",
        "type": "output",
        "description": "LCD segment B drive output for the tens (10's) digit."
      },
      {
        "number": "19",
        "name": "A2",
        "type": "output",
        "description": "LCD segment A drive output for the tens (10's) digit."
      },
      {
        "number": "20",
        "name": "F2",
        "type": "output",
        "description": "LCD segment F drive output for the tens (10's) digit."
      },
      {
        "number": "21",
        "name": "E2",
        "type": "output",
        "description": "LCD segment E drive output for the tens (10's) digit."
      },
      {
        "number": "22",
        "name": "D3",
        "type": "output",
        "description": "LCD segment D drive output for the hundreds (100's) digit."
      },
      {
        "number": "23",
        "name": "B3",
        "type": "output",
        "description": "LCD segment B drive output for the hundreds (100's) digit."
      },
      {
        "number": "24",
        "name": "F3",
        "type": "output",
        "description": "LCD segment F drive output for the hundreds (100's) digit."
      },
      {
        "number": "25",
        "name": "E3",
        "type": "output",
        "description": "LCD segment E drive output for the hundreds (100's) digit."
      },
      {
        "number": "26",
        "name": "AB4",
        "type": "output",
        "description": "LCD drive output for the thousands (1000) digit."
      },
      {
        "number": "27",
        "name": "POL",
        "type": "output",
        "description": "LCD drive output for the minus polarity sign."
      },
      {
        "number": "28",
        "name": "BP/GND",
        "type": "output",
        "description": "LCD backplane drive; the backplane frequency is the clock frequency divided by 800, and segments are in phase with it when OFF."
      },
      {
        "number": "29",
        "name": "G3",
        "type": "output",
        "description": "LCD segment G drive output for the hundreds (100's) digit."
      },
      {
        "number": "30",
        "name": "A3",
        "type": "output",
        "description": "LCD segment A drive output for the hundreds (100's) digit."
      },
      {
        "number": "31",
        "name": "C3",
        "type": "output",
        "description": "LCD segment C drive output for the hundreds (100's) digit."
      },
      {
        "number": "32",
        "name": "G2",
        "type": "output",
        "description": "LCD segment G drive output for the tens (10's) digit."
      },
      {
        "number": "33",
        "name": "NC",
        "type": "unconnected",
        "description": "No connection."
      },
      {
        "number": "34",
        "name": "V-",
        "type": "power_in",
        "description": "Negative supply; the analog input and reference voltage may range from V+ to V-."
      },
      {
        "number": "35",
        "name": "INT",
        "type": "passive",
        "description": "Integrator output, connected to the integrating capacitor CINT (0.22uF suggested at a 48kHz clock)."
      },
      {
        "number": "36",
        "name": "BUFF",
        "type": "passive",
        "description": "Buffer amplifier output, connected to the integrating resistor RINT (47K for 200mV full scale, 470K for 2V full scale)."
      },
      {
        "number": "37",
        "name": "A-Z",
        "type": "passive",
        "description": "Auto-zero capacitor CAZ connection (0.47uF for 200.0mV full scale, 0.047uF for 2.000V full scale)."
      },
      {
        "number": "38",
        "name": "IN LO",
        "type": "input",
        "description": "Differential analog input low; the input range is V+ to V-."
      },
      {
        "number": "39",
        "name": "IN HI",
        "type": "input",
        "description": "Differential analog input high; the input range is V+ to V-."
      },
      {
        "number": "40",
        "name": "COMMON",
        "type": "passive",
        "description": "Analog common, typically 3.0 V below the positive supply (2.7 to 3.3 V) with 25K between common and the positive supply."
      },
      {
        "number": "41",
        "name": "CREF-",
        "type": "passive",
        "description": "Negative connection of the reference capacitor (0.1uF suggested)."
      },
      {
        "number": "42",
        "name": "CREF+",
        "type": "passive",
        "description": "Positive connection of the reference capacitor (0.1uF suggested)."
      },
      {
        "number": "43",
        "name": "REF LO",
        "type": "input",
        "description": "Differential reference voltage input low; the input range is V+ to V-."
      },
      {
        "number": "44",
        "name": "REF HI",
        "type": "input",
        "description": "Differential reference voltage input high; the input range is V+ to V-."
      }
    ],
    "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: The datasheet gives no function or description for TEST. Its direction is assumed to be input.; The text refers to oscillator pins 44, 43 and 41 (DIP numbering) and to ROSC between pins 39 and 40.; The segment letter and digit assignments come from the pinout drawing. Their output direction is inf",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 13,
        "cost_usd": 0.3707,
        "at": "2026-10-23T18:24:20"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/e99e02c2e5139a6c301ac63ad884c55e.pdf",
        "pages": 13,
        "sha256": "34de09f4d2604d42",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 44,
        "described": 44,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "ht7106arqz44.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          12.0,
          12.0,
          1.5
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "81aae6270b5c742bed79a8a35e9adf7fbed97c42e341e6b25ab20c1783b93b5d",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht7106arqz44-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "footprint_binding": "identity",
        "sha256": "3eb034d97d31f1d11010f7f2f5aef555545b144c99e7d9a88a1fa11a89a6d444",
        "checked": "2026-10-23",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}