LMH1981MT

{
  "slug": "lmh1981mt",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Video Interface ICs, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "interface",
    "lmh1981mt",
    "factory-2.0.0",
    "extractor-text"
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    "viewers/footprint.html",
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  "component": {
    "mpn": "LMH1981MT",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Interface",
    "subcategory": "Video Interface ICs",
    "datasheet": "https://www.ti.com/cn/lit/gpn/lmh1981",
    "parts": {
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      "footprint": "lmh1981mt.kicad_mod",
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      "lbr": "lmh1981mt.lbr"
    },
    "distributor_links": {
      "lcsc": "C1523107"
    },
    "distributor_check": {
      "checked_at": "2026-10-10T23:53:58Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "REXT",
        "type": "passive",
        "description": "Bias current external resistor, specified with REXT = 10 kΩ 1% to ground-referenced bias in the electrical characteristics."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; all voltages are measured with respect to GND."
      },
      {
        "number": "3",
        "name": "VCC1",
        "type": "power_in",
        "description": "Supply voltage pin, operating range 3.3V −5% to 5V +5% with absolute maximum of 5.5V."
      },
      {
        "number": "4",
        "name": "VIN",
        "type": "power_in",
        "description": "Video input accepting 140 mV to VCC-VIN-CLAMP amplitude with 0.7 V sync tip clamp level, absolute maximum −0.3V to VCC + 0.3V."
      },
      {
        "number": "5",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; all voltages are measured with respect to GND."
      },
      {
        "number": "6",
        "name": "VCC2",
        "type": "power_in",
        "description": "Supply voltage pin, operating range 3.3V −5% to 5V +5% with absolute maximum of 5.5V."
      },
      {
        "number": "7",
        "name": "HSOUT",
        "type": "output",
        "description": "Horizontal sync output with very low jitter on its leading (falling) edge, CMOS logic swinging rail-to-rail."
      },
      {
        "number": "8",
        "name": "VSOUT",
        "type": "output",
        "description": "Vertical sync output, negative-polarity CMOS logic with a pulse width of 3 H periods."
      },
      {
        "number": "9",
        "name": "VFOUT",
        "type": "output",
        "description": "Video format output conveying the total horizontal line count per field as an 11-bit binary serial data stream."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; all voltages are measured with respect to GND."
      },
      {
        "number": "11",
        "name": "VCC3",
        "type": "power_in",
        "description": "Supply voltage pin, operating range 3.3V −5% to 5V +5% with absolute maximum of 5.5V."
      },
      {
        "number": "12",
        "name": "CSOUT",
        "type": "output",
        "description": "Composite sync output, negative-polarity CMOS logic swinging rail-to-rail."
      },
      {
        "number": "13",
        "name": "BPOUT",
        "type": "output",
        "description": "Burst/back porch timing output, negative-polarity CMOS logic swinging rail-to-rail."
      },
      {
        "number": "14",
        "name": "OEOUT",
        "type": "output",
        "description": "Odd/even field output, CMOS logic swinging rail-to-rail (not negative-polarity)."
      }
    ],
    "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 names REXT only as a bias current external resistor and does not state its type or a r; Output pin descriptions are limited to the function given in the page 2 pin table. The CMOS rail-to-; The datasheet lists GND pins 2, 5, 10 and VCC pins 3, 6, 11 as groups with identical descriptions; e"
        ],
        "pages_sent": 6,
        "cost_usd": 0.0454,
        "at": "2026-10-10T23:53:40"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/lmh1981",
        "pages": 28,
        "sha256": "e5fbb9ad7587bc0c",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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        "checked": "2026-10-10",
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}