main
Ray Set visibility: public 712b0eb 2d ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74hcs137qdrq1",
  "title": "SN74HCS137QDRQ1",
  "brief": "Texas Instruments Signal Switches, Multiplexers, Decoders, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "logic",
    "sn74hcs137qdrq1",
    "factory-2.0.0",
    "extractor-text"
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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",
    "parts": {
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      "footprint": "sn74hcs137qdrq1.kicad_mod",
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      "model_3d_plain": "sn74hcs137qdrq1.glb",
      "model_3d_step": "sn74hcs137qdrq1-etched.step",
      "model_3d_step_plain": "sn74hcs137qdrq1.step",
      "lbr": "sn74hcs137qdrq1.lbr"
    },
    "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"
      },
      "mouser": {
        "pn": "595-SN74HCS137QDRQ1",
        "status": "found"
      }
    },
    "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",
      "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 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"
      },
      "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
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
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        "role": "plain",
        "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": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74hcs137qdrq1-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "34f515bd6e89d37dd1ed446dc23db7e424aa3c884d8151b550219a7544d01c5d",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
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  "discovery_triggers": [
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  "discovery_pitch": "SN74HCS137QDRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
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}