74HC573S

{
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  "type": "component",
  "slug": "74hc573s",
  "title": "74HC573S",
  "brief": "GR Latches, SOIC-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",
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    "logic",
    "74hc573s",
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  "component": {
    "mpn": "74HC573S",
    "manufacturer": "GR",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Latches",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8597547888046190592",
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      "lbr": "74hc573s.lbr"
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    "distributor_links": {
      "lcsc": "C19818872"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T01:55:26Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
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      "mouser": {
        "pn": null,
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    },
    "pins": [
      {
        "number": "1",
        "name": "~{OE}",
        "type": "input",
        "description": "Active-low output enable: when high, all Q outputs go to high impedance (Z); when low, the outputs operate as push-pull."
      },
      {
        "number": "2",
        "name": "1D",
        "type": "input",
        "description": "Data input 1; Q1 follows this input while LE is high and holds its value when LE goes low. Input voltage limit is -0.5 V to VCC+0.5 V."
      },
      {
        "number": "3",
        "name": "2D",
        "type": "input",
        "description": "Data input 2; Q2 follows this input while LE is high and holds its value when LE goes low. Input voltage limit is -0.5 V to VCC+0.5 V."
      },
      {
        "number": "4",
        "name": "3D",
        "type": "input",
        "description": "Data input 3; Q3 follows this input while LE is high and holds its value when LE goes low. Input voltage limit is -0.5 V to VCC+0.5 V."
      },
      {
        "number": "5",
        "name": "4D",
        "type": "input",
        "description": "Data input 4; Q4 follows this input while LE is high and holds its value when LE goes low. Input voltage limit is -0.5 V to VCC+0.5 V."
      },
      {
        "number": "6",
        "name": "5D",
        "type": "input",
        "description": "Data input 5; Q5 follows this input while LE is high and holds its value when LE goes low. Input voltage limit is -0.5 V to VCC+0.5 V."
      },
      {
        "number": "7",
        "name": "6D",
        "type": "input",
        "description": "Data input 6; Q6 follows this input while LE is high and holds its value when LE goes low. Input voltage limit is -0.5 V to VCC+0.5 V."
      },
      {
        "number": "8",
        "name": "7D",
        "type": "input",
        "description": "Data input 7; Q7 follows this input while LE is high and holds its value when LE goes low. Input voltage limit is -0.5 V to VCC+0.5 V."
      },
      {
        "number": "9",
        "name": "8D",
        "type": "input",
        "description": "Data input 8; Q8 follows this input while LE is high and holds its value when LE goes low. Input voltage limit is -0.5 V to VCC+0.5 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device; the datasheet specifies the device ground pin for the 2 V to 6 V supply."
      },
      {
        "number": "11",
        "name": "LE",
        "type": "input",
        "description": "Latch enable: when high, the outputs follow D; when low, the outputs are latched and ignore D. Minimum LE high pulse width is 80 ns at VCC=2 V, 20 ns at 4.5 V and 15 ns at 6 V."
      },
      {
        "number": "12",
        "name": "8Q",
        "type": "tri_state",
        "description": "Three-state output 8, able to drive the bus directly or up to 15 LSTTL loads; high impedance when OE is high."
      },
      {
        "number": "13",
        "name": "7Q",
        "type": "tri_state",
        "description": "Three-state output 7, able to drive the bus directly or up to 15 LSTTL loads; high impedance when OE is high."
      },
      {
        "number": "14",
        "name": "6Q",
        "type": "tri_state",
        "description": "Three-state output 6, able to drive the bus directly or up to 15 LSTTL loads; high impedance when OE is high."
      },
      {
        "number": "15",
        "name": "5Q",
        "type": "tri_state",
        "description": "Three-state output 5, able to drive the bus directly or up to 15 LSTTL loads; high impedance when OE is high."
      },
      {
        "number": "16",
        "name": "4Q",
        "type": "tri_state",
        "description": "Three-state output 4, able to drive the bus directly or up to 15 LSTTL loads; high impedance when OE is high."
      },
      {
        "number": "17",
        "name": "3Q",
        "type": "tri_state",
        "description": "Three-state output 3, able to drive the bus directly or up to 15 LSTTL loads; high impedance when OE is high."
      },
      {
        "number": "18",
        "name": "2Q",
        "type": "tri_state",
        "description": "Three-state output 2, able to drive the bus directly or up to 15 LSTTL loads; high impedance when OE is high."
      },
      {
        "number": "19",
        "name": "1Q",
        "type": "tri_state",
        "description": "Three-state output 1, able to drive the bus directly or up to 15 LSTTL loads; high impedance when OE is high."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; recommended operating range is 2.0 V to 6.0 V (absolute maximum 6.5 V)."
      }
    ],
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        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The 74HC573S maps to SOP20 per the datasheet note, but the text does not state a 300 mil body width.; The pin table is shared by PDIP20, SOP20, SSOP20 and TSSOP20; the datasheet gives no separate pinout; Pin descriptions for data inputs, outputs and GND are written from the datasheet's function table an"
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