main
Ray Set visibility: public 922225e 7d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "ht311arz",
  "title": "HT311ARZ",
  "brief": "HTCSEMI Comparators, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "amplifiers-comparators",
    "ht311arz",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "HT311ARZ",
    "manufacturer": "HTCSEMI",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "Amplifiers/Comparators",
    "subcategory": "Comparators",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454873239564288",
    "parts": {
      "symbol": "ht311arz.kicad_sym",
      "footprint": "ht311arz.kicad_mod",
      "model_3d": "ht311arz-hero.glb",
      "model_3d_plain": "ht311arz-etched.glb",
      "model_3d_step": "ht311arz-etched.step",
      "model_3d_step_plain": "ht311arz.step",
      "lbr": "ht311arz.lbr"
    },
    "distributor_links": {
      "lcsc": "C5241955"
    },
    "distributor_check": {
      "checked_at": "2026-10-20T18:06:35Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin, which can also be used as the output, in which case the input polarity is reversed."
      },
      {
        "number": "2",
        "name": "IN+",
        "type": "input",
        "description": "Non-inverting input (the + input on the logic diagram), with a differential input voltage range of ±30V."
      },
      {
        "number": "3",
        "name": "IN-",
        "type": "input",
        "description": "Inverting input (the − input on the logic diagram), with a differential input voltage range of ±30V."
      },
      {
        "number": "4",
        "name": "VEE",
        "type": "power_in",
        "description": "Negative supply pin; the total supply voltage VCC + VEE is limited to 36 V maximum."
      },
      {
        "number": "5",
        "name": "BALANCE",
        "type": "passive",
        "description": "Offset balance pin; if unused it is shorted to pin 6, or connected to a trim-pot with a 0.01 µF capacitor between pins 5 and 6."
      },
      {
        "number": "6",
        "name": "BALANCE/STROBE",
        "type": "passive",
        "description": "Offset balance and strobe pin; do not ground it, and the strobe pin voltage is limited to VCC to VCC − 5 V."
      },
      {
        "number": "7",
        "name": "OUTPUT",
        "type": "output",
        "description": "Open-collector output compatible with RTL, DTL, TTL and MOS, able to switch up to 50V at up to 50 mA and wire-OR'ed."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin, with a total supply VCC + VEE of 36 V maximum and a positive supply current of 7.5 mA maximum."
      }
    ],
    "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 pin assignment image on page 1 lists the two inputs only as 'Input'. The + (pin 2) and − (pin 3); The datasheet does not state the output type as open-collector. The type used here is inferred from ",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 20,
        "cost_usd": 0.2536,
        "at": "2026-10-20T18:05:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8590454873239564288",
        "pages": 20,
        "sha256": "a1fca9a0fe566dad",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "ht311arz.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          4.9,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "ht311arz-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "854de14996daf5c3ed2d483a399b95ddf0e7e2ddee5a0cd6293fca75b1df3320",
        "checked": "2026-10-20",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "HTCSEMI",
      "Package": "SOP-8",
      "Category": "Amplifiers/Comparators",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a1fca9a0fe566dad54b5e5ee5fea2a59167cfbdfd7726beb1380e86119915cc4",
      "rows": [
        {
          "name": "Total Supply Voltage (recommended)",
          "symbol": "VCC + VEE",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature, All Package Types",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -45,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Total Supply Voltage",
          "symbol": "VCC + VEE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 36,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Output to Negative Supply Voltage",
          "symbol": "VO - VEE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Ground to Negative Supply Voltage",
          "symbol": "VEE",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Differential Voltage",
          "symbol": "VID",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -30,
          "typ": null,
          "max": 30,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage (Note)",
          "symbol": "VIN",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -15,
          "typ": null,
          "max": 15,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Operating Junction Temperature",
          "symbol": "TJ(max)",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Storage Temperature Range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -60,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 7.5,
          "conditions": "RS ≤ 50 kΩ, TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Voltage",
          "symbol": "VIO",
          "kind": "electrical",
          "unit": "mV",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "RS ≤ 50 kΩ, -45°C≤ TA ≤ 85°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Offset Current",
          "symbol": "IIO",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 100,
          "conditions": "-45°C≤ TA ≤ 85°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "TA = +25°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 375,
          "conditions": "TA = -45°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Bias Current",
          "symbol": "IIB",
          "kind": "electrical",
          "unit": "nA",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "TA = +85°C",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Voltage Gain",
          "symbol": "AV",
          "kind": "electrical",
          "unit": "",
          "min": 150000,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Propagation Delay Time",
          "symbol": "tDLH",
          "kind": "electrical",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 300,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Saturation Voltage",
          "symbol": "VDS",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "TA = +25°C, VID ≤ -10 mV, IO=50 mA",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Input Voltage Range",
          "symbol": "VIR",
          "kind": "electrical",
          "unit": "V",
          "min": -14.5,
          "typ": null,
          "max": 13,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Positive Supply Current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 7.5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        },
        {
          "name": "Negative Supply Current",
          "symbol": "IEE",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": -5,
          "conditions": "",
          "source_page": 2,
          "source": "datasheet"
        }
      ]
    }
  },
  "variants": [],
  "sections": [
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    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "ht311arz"
  ],
  "discovery_pitch": "HT311ARZ (HTCSEMI) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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    "path": "docs/hero.png"
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  "visibility": {
    "public": true
  }
}