MC74HC125ADR2G

{
  "schema_version": 1,
  "type": "component",
  "slug": "mc74hc125adr2g",
  "title": "MC74HC125ADR2G",
  "brief": "onsemi Buffers, Drivers, Receivers, Transceivers, SOIC-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "logic",
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  "component": {
    "mpn": "MC74HC125ADR2G",
    "manufacturer": "onsemi",
    "package": "SOIC-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Buffers, Drivers, Receivers, Transceivers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586193148355338240",
    "parts": {
      "symbol": "mc74hc125adr2g.kicad_sym",
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      "model_3d_step": "mc74hc125adr2g-etched.step",
      "model_3d_step_plain": "mc74hc125adr2g.step",
      "lbr": "mc74hc125adr2g.lbr"
    },
    "distributor_links": {
      "lcsc": "C94424"
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    "distributor_check": {
      "checked_at": "2026-10-18T14:01:23Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
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    },
    "pins": [
      {
        "number": "1",
        "name": "OE1",
        "type": "input",
        "description": "Active-low output enable for buffer 1 (HC125A); when high, output Y1 is forced to the high-impedance state."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Data input of noninverting buffer 1; inputs must stay between GND and VCC, and unused inputs must be tied to GND or VCC."
      },
      {
        "number": "3",
        "name": "Y1",
        "type": "tri_state",
        "description": "Three-state noninverting buffer output 1, rated for 15 LSTTL loads and high impedance when OE1 is inactive."
      },
      {
        "number": "4",
        "name": "OE2",
        "type": "input",
        "description": "Active-low output enable for buffer 2 (HC125A); when high, output Y2 is forced to the high-impedance state."
      },
      {
        "number": "5",
        "name": "A2",
        "type": "input",
        "description": "Data input of noninverting buffer 2; inputs must stay between GND and VCC, and unused inputs must be tied to GND or VCC."
      },
      {
        "number": "6",
        "name": "Y2",
        "type": "tri_state",
        "description": "Three-state noninverting buffer output 2, rated for 15 LSTTL loads and high impedance when OE2 is inactive."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for all device voltages; all input and output voltages are referenced to this pin."
      },
      {
        "number": "8",
        "name": "Y3",
        "type": "tri_state",
        "description": "Three-state noninverting buffer output 3, rated for 15 LSTTL loads and high impedance when OE3 is inactive."
      },
      {
        "number": "9",
        "name": "A3",
        "type": "input",
        "description": "Data input of noninverting buffer 3; inputs must stay between GND and VCC, and unused inputs must be tied to GND or VCC."
      },
      {
        "number": "10",
        "name": "OE3",
        "type": "input",
        "description": "Active-low output enable for buffer 3 (HC125A); when high, output Y3 is forced to the high-impedance state."
      },
      {
        "number": "11",
        "name": "Y4",
        "type": "tri_state",
        "description": "Three-state noninverting buffer output 4, rated for 15 LSTTL loads and high impedance when OE4 is inactive."
      },
      {
        "number": "12",
        "name": "A4",
        "type": "input",
        "description": "Data input of noninverting buffer 4; inputs must stay between GND and VCC, and unused inputs must be tied to GND or VCC."
      },
      {
        "number": "13",
        "name": "OE4",
        "type": "input",
        "description": "Active-low output enable for buffer 4 (HC125A); when high, output Y4 is forced to the high-impedance state."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply, specified from 2.0 V to 6.0 V DC referenced to GND."
      }
    ],
    "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 ASSIGNMENT block on page 1 is garbled in the text extraction (labels and numbers are out of ; Pin types were assigned from function: OE and A pins as input, Y pins as tri_state. The datasheet do; Datasheet gives no spec field for this request beyond what is in the pin descriptions; the HC125A or"
        ],
        "pages_sent": 7,
        "cost_usd": 0.051,
        "at": "2026-10-18T14:01:08"
      },
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        "pages": 7,
        "sha256": "816414a92d397621",
        "source_tier": "lcsc"
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      "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": "2026-10-18",
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  "metadata": {
    "specs": {
      "Manufacturer": "onsemi",
      "Package": "SOIC-14",
      "Category": "Logic",
      "Pins": "14"
    },
    "characteristics": {
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      "source": "datasheet",
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          "max": 6,
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          "name": "DC Input Current, per Pin",
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          "name": "DC Output Current, per Pin",
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          "kind": "absolute_maximum",
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          "name": "Power Dissipation in Still Air",
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          "typ": null,
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          "name": "Minimum High-Level Input Voltage",
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          "name": "Minimum High-Level Input Voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": 3.15,
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          "source_page": 3,
          "source": "datasheet"
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          "name": "Minimum High-Level Input Voltage",
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          "kind": "electrical",
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          "min": 4.2,
          "typ": null,
          "max": null,
          "conditions": "VCC = 6.0 V; Vout = VCC – 0.1 V; |Iout| ≤ 20 µA",
          "source_page": 3,
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        {
          "name": "Maximum Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VCC = 2.0 V; Vout = 0.1 V; |Iout| ≤ 20 µA",
          "source_page": 3,
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        {
          "name": "Maximum Low-Level Input Voltage",
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          "kind": "electrical",
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          "typ": null,
          "max": 0.9,
          "conditions": "VCC = 3.0 V; Vout = 0.1 V; |Iout| ≤ 20 µA",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Maximum Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.35,
          "conditions": "VCC = 4.5 V; Vout = 0.1 V; |Iout| ≤ 20 µA",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Maximum Low-Level Input Voltage",
          "symbol": "VIL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 1.8,
          "conditions": "VCC = 6.0 V; Vout = 0.1 V; |Iout| ≤ 20 µA",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": null,
          "max": null,
          "conditions": "VCC = 2.0 V; Vin = VIH; |Iout| ≤ 20 µA",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
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          "min": 4.4,
          "typ": null,
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          "conditions": "VCC = 4.5 V; Vin = VIH; |Iout| ≤ 20 µA",
          "source_page": 3,
          "source": "datasheet"
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        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
          "kind": "electrical",
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          "min": 5.9,
          "typ": null,
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          "conditions": "VCC = 6.0 V; Vin = VIH; |Iout| ≤ 20 µA",
          "source_page": 3,
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        {
          "name": "Minimum High-Level Output Voltage",
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          "min": 2.2,
          "typ": null,
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          "conditions": "VCC = 3.0 V; Vin = VIH; |Iout| ≤ 3.6 mA (125 °C column)",
          "source_page": 3,
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        {
          "name": "Minimum High-Level Output Voltage",
          "symbol": "VOH",
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          "min": 3.7,
          "typ": null,
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          "conditions": "VCC = 4.5 V; Vin = VIH; |Iout| ≤ 6.0 mA (125 °C column)",
          "source_page": 3,
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        {
          "name": "Minimum High-Level Output Voltage",
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          "conditions": "VCC = 6.0 V; Vin = VIH; |Iout| ≤ 7.8 mA (125 °C column)",
          "source_page": 3,
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          "name": "Maximum Low-Level Output Voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCC = 2.0 V; Vin = VIL; |Iout| ≤ 20 µA",
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          "name": "Maximum Low-Level Output Voltage",
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          "conditions": "VCC = 3.0 V; Vin = VIL; |Iout| ≤ 3.6 mA (125 °C column)",
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          "name": "Maximum Input Leakage Current",
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          "typ": null,
          "max": 1,
          "conditions": "VCC = 6.0 V; Vin = VCC or GND (125 °C column)",
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          "conditions": "VCC = 6.0 V; output high-impedance; Vin = VIL or VIH; Vout = VCC or GND (125 °C column)",
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          "name": "Maximum Quiescent Supply Current (per Package)",
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          "kind": "electrical",
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          "typ": null,
          "max": 160,
          "conditions": "VCC = 6.0 V; Vin = VCC or GND; Iout = 0 µA (125 °C column)",
          "source_page": 3,
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          "name": "Maximum Propagation Delay, Input A to Output Y",
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          "typ": null,
          "max": 135,
          "conditions": "VCC = 2.0 V; CL = 50 pF (125 °C column)",
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          "name": "Maximum Propagation Delay, Input A to Output Y",
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          "name": "Maximum Propagation Delay, Input A to Output Y",
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          "typ": null,
          "max": 27,
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          "source_page": 3,
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          "name": "Maximum Propagation Delay, Input A to Output Y",
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          "name": "Maximum Propagation Delay, Output Enable to Y",
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