AIP74HC138TA.TR

{
  "slug": "aip74hc138ta-tr",
  "version": "0.1.0",
  "type": "component",
  "description": "Wuxi I-core Elec Signal Switches, Multiplexers, Decoders, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "logic",
    "aip74hc138ta.tr",
    "factory-2.0.0",
    "extractor-text"
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  "dependencies": {},
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  "component": {
    "mpn": "AIP74HC138TA.TR",
    "manufacturer": "Wuxi I-core Elec",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/ba1c629741cd877c49282d49b583f681.pdf",
    "parts": {
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      "lbr": "aip74hc138ta-tr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2943331"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T16:48:15Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Binary-weighted address input (A0 is the least-significant bit of the 3-bit select code that chooses which active-LOW output goes LOW); inputs include clamp diodes so current-limiting resistors can interface voltages above VCC."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Binary-weighted address input (middle bit of the 3-bit select code); inputs include clamp diodes so current-limiting resistors can interface voltages above VCC."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Binary-weighted address input (most-significant bit of the 3-bit select code); inputs include clamp diodes so current-limiting resistors can interface voltages above VCC."
      },
      {
        "number": "4",
        "name": "E1",
        "type": "input",
        "description": "Active-LOW enable input; all outputs stay HIGH unless E1 and E2 are LOW and E3 is HIGH."
      },
      {
        "number": "5",
        "name": "E2",
        "type": "input",
        "description": "Active-LOW enable input; all outputs stay HIGH unless E1 and E2 are LOW and E3 is HIGH."
      },
      {
        "number": "6",
        "name": "E3",
        "type": "input",
        "description": "Active-HIGH enable input; all outputs stay HIGH unless E1 and E2 are LOW and E3 is HIGH."
      },
      {
        "number": "7",
        "name": "Y7",
        "type": "output",
        "description": "Active-LOW mutually exclusive decoder output, HIGH unless selected by the address and enable inputs per the function table."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V); all voltages are referenced to GND."
      },
      {
        "number": "9",
        "name": "Y6",
        "type": "output",
        "description": "Active-LOW mutually exclusive decoder output, HIGH unless selected by the address and enable inputs per the function table."
      },
      {
        "number": "10",
        "name": "Y5",
        "type": "output",
        "description": "Active-LOW mutually exclusive decoder output, HIGH unless selected by the address and enable inputs per the function table."
      },
      {
        "number": "11",
        "name": "Y4",
        "type": "output",
        "description": "Active-LOW mutually exclusive decoder output, HIGH unless selected by the address and enable inputs per the function table."
      },
      {
        "number": "12",
        "name": "Y3",
        "type": "output",
        "description": "Active-LOW mutually exclusive decoder output, HIGH unless selected by the address and enable inputs per the function table."
      },
      {
        "number": "13",
        "name": "Y2",
        "type": "output",
        "description": "Active-LOW mutually exclusive decoder output, HIGH unless selected by the address and enable inputs per the function table."
      },
      {
        "number": "14",
        "name": "Y1",
        "type": "output",
        "description": "Active-LOW mutually exclusive decoder output, HIGH unless selected by the address and enable inputs per the function table."
      },
      {
        "number": "15",
        "name": "Y0",
        "type": "output",
        "description": "Active-LOW mutually exclusive decoder output, HIGH unless selected by the address and enable inputs per the function table."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; the AiP74HC138 is specified at 2.0 V to 6.0 V and the AiP74HCT138 at 4.5 V to 5.5 V (recommended operating conditions)."
      }
    ],
    "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 TSSOP16 pinout is taken from the Pin Description table (page 6). The pin-configuration diagram t; VCC supply range is taken from the recommended operating conditions on page 8, not the pin table. Th; The datasheet gives the outputs and enable pins only as brief functional descriptions; the one-sente"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0729,
        "at": "2026-10-22T16:46:15"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/ba1c629741cd877c49282d49b583f681.pdf",
        "pages": 19,
        "sha256": "368d07079c708681",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
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}