HT7106ARQZ44

{
  "schema_version": 1,
  "type": "component",
  "slug": "ht7106arqz44",
  "title": "HT7106ARQZ44",
  "brief": "HTCSEMI Translators / Level Shifters, LQFP-44(10x10). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "logic ics",
    "ht7106arqz44",
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  "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": {
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        "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",
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        "pages": 13,
        "sha256": "34de09f4d2604d42",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 44,
        "described": 44,
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  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "LQFP-44(10x10)",
      "Category": "Logic ICs",
      "Pins": "44"
    },
    "characteristics": {
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        {
          "name": "Leakage Current Input",
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          "name": "Segment and Back Plane Drive Voltage",
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          "kind": "electrical",
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        },
        {
          "name": "Ratiometric Reading",
          "symbol": "",
          "kind": "electrical",
          "unit": "Digital Reading",
          "min": 999,
          "typ": 999,
          "max": 1000,
          "conditions": "VIN = VREF =100.0mV",
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        {
          "name": "Linearity (Max. Deviation From Best Straight Line Fit)",
          "symbol": "",
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          "unit": "Counts",
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        {
          "name": "Rollover Error",
          "symbol": "",
          "kind": "electrical",
          "unit": "Counts",
          "min": -1,
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          "max": 1,
          "conditions": "V-IN = V+IN =200.0mV",
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        },
        {
          "name": "Zero Input Reading",
          "symbol": "",
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          "unit": "Digital Reading",
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        },
        {
          "name": "Noise (Pk-Pk Value Not exceeded 95% of Time)",
          "symbol": "VN",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": 15,
          "max": null,
          "conditions": "VIN = 0, Full Scale 200.0mV",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Zero Reading Drift",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "V/ oC",
          "min": null,
          "typ": 0.2,
          "max": 1,
          "conditions": "VIN = 0, 0 oC < TA < 70 oC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Scale Factor Temp Coeff.",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/ oC",
          "min": null,
          "typ": 1,
          "max": 5,
          "conditions": "VIN = 199.0mV, 0 oC < TA < 70oC",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "Temp Coeff. of Analog Common",
          "symbol": "",
          "kind": "temperature_coefficient",
          "unit": "ppm/ oC",
          "min": null,
          "typ": 20,
          "max": 80,
          "conditions": "25K Between Common and Positive Supply",
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        },
        {
          "name": "Common-mode Rejection Ratio",
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          "kind": "electrical",
          "unit": "V/V",
          "min": null,
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          "conditions": "Vcm= 1V, VIN =0V, Full Scale 200.0mV",
          "source_page": 3,
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          "name": "Supply Voltage (V+ to V-)",
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          "max": 15,
          "conditions": "TA = 25oC",
          "source_page": 3,
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          "name": "Power Dissipation",
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          "unit": "mW",
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          "name": "Operating Temperature",
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          "conditions": "TA = 25oC",
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          "name": "Storage and Junction Temperature",
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          "unit": "oC",
          "min": -55,
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          "conditions": "TA = 25oC",
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