SN74LV393ATPWRG4Q1

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  "title": "SN74LV393ATPWRG4Q1",
  "brief": "Texas Instruments Counters, Dividers, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "mpn": "SN74LV393ATPWRG4Q1",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74lv393a-q1",
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    "distributor_links": {
      "lcsc": 2675498,
      "digikey": "296-24752-2-ND",
      "mouser": "595-74LV393ATPWRG4Q1"
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        "pn": "595-74LV393ATPWRG4Q1",
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    "pins": [
      {
        "number": "1",
        "name": "1CLK/",
        "type": "input",
        "description": "Counter 1 Clock Input, triggers advance on negative-going transition when 1CLR is low"
      },
      {
        "number": "2",
        "name": "1CLR",
        "type": "input",
        "description": "Counter 1 Clear Input, active high to reset all counter 1 outputs to low"
      },
      {
        "number": "3",
        "name": "1QA",
        "type": "output",
        "description": "Counter 1 A Output, LSB of 4-bit binary counter"
      },
      {
        "number": "4",
        "name": "1QB",
        "type": "output",
        "description": "Counter 1 B Output of 4-bit binary counter"
      },
      {
        "number": "5",
        "name": "1QC",
        "type": "output",
        "description": "Counter 1 C Output of 4-bit binary counter"
      },
      {
        "number": "6",
        "name": "1QD",
        "type": "output",
        "description": "Counter 1 D Output, MSB of 4-bit binary counter"
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground"
      },
      {
        "number": "8",
        "name": "2QD",
        "type": "output",
        "description": "Counter 2 D Output, MSB of 4-bit binary counter"
      },
      {
        "number": "9",
        "name": "2QC",
        "type": "output",
        "description": "Counter 2 C Output of 4-bit binary counter"
      },
      {
        "number": "10",
        "name": "2QB",
        "type": "output",
        "description": "Counter 2 B Output of 4-bit binary counter"
      },
      {
        "number": "11",
        "name": "2QA",
        "type": "output",
        "description": "Counter 2 A Output, LSB of 4-bit binary counter"
      },
      {
        "number": "12",
        "name": "2CLR",
        "type": "input",
        "description": "Counter 2 Clear Input, active high to reset all counter 2 outputs to low"
      },
      {
        "number": "13",
        "name": "2CLK/",
        "type": "input",
        "description": "Counter 2 Clock Input, triggers advance on negative-going transition when 2CLR is low"
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 2V to 5.5V recommended operating range"
      }
    ],
    "provenance": {
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        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Table 5-1 on page 3 shows both pin 5 (1QC) and pin 6 (1QD) with description 'Counter 1 B Output', wh"
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        "pages_sent": 20,
        "cost_usd": 0.1203,
        "at": "2026-10-05T18:52:33"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74lv393a-q1",
        "pages": 20,
        "sha256": "c0e3a483d2131b39",
        "source_tier": "lcsc"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
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        "refuses_to_fabricate": true
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-14",
      "Category": "Logic",
      "Pins": "14"
    }
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  "discovery_pitch": "SN74LV393ATPWRG4Q1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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