GN574D

{
  "schema_version": 1,
  "type": "component",
  "slug": "gn574d",
  "title": "GN574D",
  "brief": "GN Semic Shift Registers, SOP-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "gn574d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "GN574D",
    "manufacturer": "GN Semic",
    "package": "SOP-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Shift Registers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884221838430208",
    "parts": {
      "symbol": "gn574d.kicad_sym",
      "footprint": "gn574d.kicad_mod",
      "model_3d": "gn574d-hero.glb",
      "model_3d_plain": "gn574d-etched.glb",
      "model_3d_step": "gn574d-etched.step",
      "model_3d_step_plain": "gn574d.step",
      "lbr": "gn574d.lbr"
    },
    "distributor_links": {
      "lcsc": "C265487"
    },
    "distributor_check": {
      "checked_at": "2026-10-19T03:29:48Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Three-state output enable input, active low; when OE is high the Q0 to Q7 outputs are forced to high impedance (Z)."
      },
      {
        "number": "2",
        "name": "D0",
        "type": "input",
        "description": "Data input 0 for the octal D flip-flop, sampled on the rising edge of CP; recommended input voltage range is 0 V to VCC."
      },
      {
        "number": "3",
        "name": "D1",
        "type": "input",
        "description": "Data input 1 for the octal D flip-flop, sampled on the rising edge of CP; recommended input voltage range is 0 V to VCC."
      },
      {
        "number": "4",
        "name": "D2",
        "type": "input",
        "description": "Data input 2 for the octal D flip-flop, sampled on the rising edge of CP; recommended input voltage range is 0 V to VCC."
      },
      {
        "number": "5",
        "name": "D3",
        "type": "input",
        "description": "Data input 3 for the octal D flip-flop, sampled on the rising edge of CP; recommended input voltage range is 0 V to VCC."
      },
      {
        "number": "6",
        "name": "D4",
        "type": "input",
        "description": "Data input 4 for the octal D flip-flop, sampled on the rising edge of CP; recommended input voltage range is 0 V to VCC."
      },
      {
        "number": "7",
        "name": "D5",
        "type": "input",
        "description": "Data input 5 for the octal D flip-flop, sampled on the rising edge of CP; recommended input voltage range is 0 V to VCC."
      },
      {
        "number": "8",
        "name": "D6",
        "type": "input",
        "description": "Data input 6 for the octal D flip-flop, sampled on the rising edge of CP; recommended input voltage range is 0 V to VCC."
      },
      {
        "number": "9",
        "name": "D7",
        "type": "input",
        "description": "Data input 7 for the octal D flip-flop, sampled on the rising edge of CP; recommended input voltage range is 0 V to VCC."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "System ground (0 V) reference for the device."
      },
      {
        "number": "11",
        "name": "CP",
        "type": "input",
        "description": "Clock input, low-to-high edge triggered; loads the D inputs into the flip-flops on the rising edge."
      },
      {
        "number": "12",
        "name": "Q7",
        "type": "tri_state",
        "description": "Non-inverting three-state data output 7, high impedance when OE is high."
      },
      {
        "number": "13",
        "name": "Q6",
        "type": "tri_state",
        "description": "Non-inverting three-state data output 6, high impedance when OE is high."
      },
      {
        "number": "14",
        "name": "Q5",
        "type": "tri_state",
        "description": "Non-inverting three-state data output 5, high impedance when OE is high."
      },
      {
        "number": "15",
        "name": "Q4",
        "type": "tri_state",
        "description": "Non-inverting three-state data output 4, high impedance when OE is high."
      },
      {
        "number": "16",
        "name": "Q3",
        "type": "tri_state",
        "description": "Non-inverting three-state data output 3, high impedance when OE is high."
      },
      {
        "number": "17",
        "name": "Q2",
        "type": "tri_state",
        "description": "Non-inverting three-state data output 2, high impedance when OE is high."
      },
      {
        "number": "18",
        "name": "Q1",
        "type": "tri_state",
        "description": "Non-inverting three-state data output 1, high impedance when OE is high."
      },
      {
        "number": "19",
        "name": "Q0",
        "type": "tri_state",
        "description": "Non-inverting three-state data output 0, high impedance when OE is high."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive power supply; recommended supply range is 2.0 V to 6.0 V (typical 5.0 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 2 gives pin functions for the whole device without a per-package breakdown; th; The datasheet names the package SOP-20 and gives SOP20 outline dimensions, but does not state 300mil; The OE pin description states low-active enable, so the high-impedance behavior is taken from the tr"
        ],
        "pages_sent": 12,
        "cost_usd": 0.0503,
        "at": "2026-10-19T03:25:37"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588884221838430208",
        "pages": 12,
        "sha256": "0b498dfafe0c11c9",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "gn574d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.26,
          12.8,
          2.65
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "170e41ee3ee0ce1de1cbb9201b88e40949cf47498ae8a339fdb9af3ea63efc0f",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "gn574d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          10.26,
          12.8,
          2.65
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
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        "sha256": "48f30e8cc2f36de706954d9f6f16cc2cb0f190d45efe7aecad2abe86b6b05ed7",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "GN Semic",
      "Package": "SOP-20-300mil",
      "Category": "Logic",
      "Pins": "20"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "0b498dfafe0c11c9df8a055fece774227eb6de02dbffeee188ba3b7268d7632a",
      "rows": [
        {
          "name": "电源电压 (VCC supply voltage)",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入钳位电流 (Input clamp current)",
          "symbol": "Ilk",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "V1 <-0.5V or V1 >Vcc+0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输出钳位电流 (Output clamp current)",
          "symbol": "Iok",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "Vo<-0.5V or Vo>Vcc+0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输出端或接收端电流 (Output current)",
          "symbol": "Io",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -35,
          "typ": null,
          "max": 35,
          "conditions": "-0.5V<Vo<Vcc+0.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "VCC 或 GND 电流 (VCC or GND current)",
          "symbol": "Icc, IGND",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -70,
          "typ": null,
          "max": 70,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "贮存温度 (Storage temperature)",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "功率损耗 (Power dissipation, SOP package)",
          "symbol": "PD",
          "kind": "absolute_maximum",
          "unit": "mW",
          "min": null,
          "typ": null,
          "max": 500,
          "conditions": "Tamb=-40 to +125℃; SOP package (note 2)",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "焊接温度 (Soldering temperature, SOP)",
          "symbol": "TL",
          "kind": "absolute_maximum",
          "unit": "℃",
          "min": null,
          "typ": null,
          "max": 250,
          "conditions": "10 s, SOP",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "电源电压 (VCC supply voltage)",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": 5,
          "max": 6,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入电压 (Input voltage)",
          "symbol": "Vi",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输出电压 (Output voltage)",
          "symbol": "Vo",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "工作环境温度 (Operating ambient temperature)",
          "symbol": "Tamb",
          "kind": "recommended_operating",
          "unit": "℃",
          "min": -40,
          "typ": 25,
          "max": 85,
          "conditions": "",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入上升和下降时间 (Input rise and fall time)",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 1000,
          "conditions": "Vcc=2.0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入上升和下降时间 (Input rise and fall time)",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns",
          "min": null,
          "typ": 6,
          "max": 500,
          "conditions": "Vcc=4.5V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入上升和下降时间 (Input rise and fall time)",
          "symbol": "tr, tf",
          "kind": "recommended_operating",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 400,
          "conditions": "Vcc=6.0V",
          "source_page": 3,
          "source": "datasheet"
        },
        {
          "name": "输入高电平电压 (Input high-level voltage)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.5,
          "typ": null,
          "max": null,
          "conditions": "VCC=2.0V; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入高电平电压 (Input high-level voltage)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.15,
          "typ": null,
          "max": null,
          "conditions": "VCC=4.5V; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入高电平电压 (Input high-level voltage)",
          "symbol": "VIH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.2,
          "typ": null,
          "max": null,
          "conditions": "VCC=6.0V; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入低电平电压 (Input low-level voltage)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.5,
          "conditions": "VCC=2.0V; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入低电平电压 (Input low-level voltage)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.35,
          "conditions": "VCC=4.5V; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入低电平电压 (Input low-level voltage)",
          "symbol": "VIL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 1.8,
          "conditions": "VCC=6.0V; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输出高电平电压 (Output high-level voltage)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": null,
          "max": null,
          "conditions": "Vi=VIH或VIL, VCC=2.0V, IO=-20uA; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输出高电平电压 (Output high-level voltage)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": null,
          "max": null,
          "conditions": "Vi=VIH或VIL, VCC=4.5V, IO=-20uA; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输出高电平电压 (Output high-level voltage)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.84,
          "typ": null,
          "max": null,
          "conditions": "Vi=VIH或VIL, VCC=4.5V, IO=-6.0mA; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输出高电平电压 (Output high-level voltage)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 5.9,
          "typ": null,
          "max": null,
          "conditions": "Vi=VIH或VIL, VCC=6.0V, IO=-20uA; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输出高电平电压 (Output high-level voltage)",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 5.34,
          "typ": null,
          "max": null,
          "conditions": "Vi=VIH或VIL, VCC=6.0V, IO=-7.8mA; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输出低电平电压 (Output low-level voltage)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "Vi=VIH或VIL, VCC=2.0V, IO=20uA; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输出低电平电压 (Output low-level voltage)",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.33,
          "conditions": "Vi=VIH或VIL, VCC=4.5V, IO=6.0mA; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "输入漏电流 (Input leakage current)",
          "symbol": "ILI",
          "kind": "electrical",
          "unit": "uA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "Vi=VCC 或 GND, VCC=6.0V; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "截止状态输出电流 (Off-state output current)",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "uA",
          "min": -5,
          "typ": null,
          "max": 5,
          "conditions": "Vi=VIH或VIL, Vo=VCC或GND, VCC=6.0V; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "静态电流 (Quiescent supply current)",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "uA",
          "min": null,
          "typ": null,
          "max": 80,
          "conditions": "Vi=VCC 或 GND, VCC=6.0V, IO=0; Tamb=-40 to +85 °C",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "CP 到 Qn 的传输延时 (CP to Qn propagation delay)",
          "symbol": "tPHL/tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 190,
          "conditions": "见图 3; VCC=2.0V, CL=50pF, tr=tf=6.0ns; Tamb=-40 to +85℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CP 到 Qn 的传输延时 (CP to Qn propagation delay)",
          "symbol": "tPHL/tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "见图 3; VCC=4.5V, CL=50pF, tr=tf=6.0ns; Tamb=-40 to +85℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "CP 到 Qn 的传输延时 (CP to Qn propagation delay)",
          "symbol": "tPHL/tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 33,
          "conditions": "见图 3; VCC=6.0V, CL=50pF, tr=tf=6.0ns; Tamb=-40 to +85℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OE 到 Qn 三态输出始能时间 (OE to Qn enable time)",
          "symbol": "tPZH/tPZl",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 175,
          "conditions": "见图 4; VCC=2.0V, CL=50pF, tr=tf=6.0ns; Tamb=-40 to +85℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OE 到 Qn 三态输出始能时间 (OE to Qn enable time)",
          "symbol": "tPZH/tPZl",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 35,
          "conditions": "见图 4; VCC=4.5V, CL=50pF, tr=tf=6.0ns; Tamb=-40 to +85℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OE 到 Qn 三态输出始能时间 (OE to Qn enable time)",
          "symbol": "tPZH/tPZl",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 30,
          "conditions": "见图 4; VCC=6.0V, CL=50pF, tr=tf=6.0ns; Tamb=-40 to +85℃",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "OE 到 Qn 三态输出截止时间 (OE to Qn disable time)",
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