SN74HCS137QDRQ1

{
  "slug": "sn74hcs137qdrq1",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
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    "logic",
    "sn74hcs137qdrq1",
    "factory-2.0.0",
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  "component": {
    "mpn": "SN74HCS137QDRQ1",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Signal Switches, Multiplexers, Decoders",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74hcs137-q1",
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    "distributor_links": {
      "lcsc": "C2870094",
      "digikey": "296-SN74HCS137QDRQ1TR-ND",
      "mouser": "595-SN74HCS137QDRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T22:44:53Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-SN74HCS137QDRQ1TR-ND",
        "status": "found",
        "lifecycle": "Active"
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    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Address select 0 input (Schmitt-trigger); with LE low it selects one of the eight outputs, and with LE high its value is latched and ignored."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Address select 1 input (Schmitt-trigger); with LE low it selects one of the eight outputs, and with LE high its value is latched and ignored."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Address select 2 input (Schmitt-trigger); with LE low it selects one of the eight outputs, and with LE high its value is latched and ignored."
      },
      {
        "number": "4",
        "name": "LE",
        "type": "input",
        "description": "Active-low latch enable; when LE is low the device acts as a normal one-of-eight decoder, and when LE is high the address latches hold their previous states regardless of address changes."
      },
      {
        "number": "5",
        "name": "G1",
        "type": "input",
        "description": "Active-low strobe input 1; when any strobe is active all outputs are forced high, and it can serve as the data input for demultiplexing."
      },
      {
        "number": "6",
        "name": "G0",
        "type": "input",
        "description": "Strobe input 0; when this strobe is active all outputs are forced high, and it can serve as the data input for demultiplexing."
      },
      {
        "number": "7",
        "name": "Y7",
        "type": "output",
        "description": "Decoder output 7, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "9",
        "name": "Y6",
        "type": "output",
        "description": "Decoder output 6, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused."
      },
      {
        "number": "10",
        "name": "Y5",
        "type": "output",
        "description": "Decoder output 5, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused."
      },
      {
        "number": "11",
        "name": "Y4",
        "type": "output",
        "description": "Decoder output 4, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused."
      },
      {
        "number": "12",
        "name": "Y3",
        "type": "output",
        "description": "Decoder output 3, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused."
      },
      {
        "number": "13",
        "name": "Y2",
        "type": "output",
        "description": "Decoder output 2, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused."
      },
      {
        "number": "14",
        "name": "Y1",
        "type": "output",
        "description": "Decoder output 1, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused."
      },
      {
        "number": "15",
        "name": "Y0",
        "type": "output",
        "description": "Decoder output 0, normally high and low only when selected; balanced CMOS push-pull output that may be left disconnected if unused."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; the recommended supply voltage range is 2 V to 6 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "factory": "2.0.0",
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        "primary_model": "claude-haiku-5-5",
        "primary_mode": "text",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The pin table on page 3 is shared by the SOIC (D) and TSSOP (PW) packages. The pin assignment is the; The datasheet is a TI Chinese-translation document, but the pin names and functions are the English "
        ],
        "pages_sent": 26,
        "cost_usd": 0.0997,
        "at": "2026-10-07T22:44:35"
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      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74hcs137-q1",
        "pages": 26,
        "sha256": "1f54f5f2f2c675e1",
        "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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}