SN74LS390DR

{
  "slug": "sn74ls390dr",
  "version": "0.1.0",
  "type": "component",
  "description": "lingxingic Counters, Dividers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74ls390dr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74ls390dr.kicad_sym",
    "sn74ls390dr.kicad_mod",
    "sn74ls390dr.glb",
    "sn74ls390dr.step",
    "sn74ls390dr.lbr",
    "docs/hero.png",
    "docs/sn74ls390dr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74ls390dr-hero.glb",
    "sn74ls390dr-hero.overlay.json",
    "sn74ls390dr-etched.glb"
  ],
  "component": {
    "mpn": "SN74LS390DR",
    "manufacturer": "lingxingic",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/5f78a0b89e887eaeea11c741d6b06b34.pdf",
    "parts": {
      "symbol": "sn74ls390dr.kicad_sym",
      "footprint": "sn74ls390dr.kicad_mod",
      "model_3d": "sn74ls390dr-hero.glb",
      "model_3d_plain": "sn74ls390dr-etched.glb",
      "model_3d_step": "sn74ls390dr-etched.step",
      "model_3d_step_plain": "sn74ls390dr.step",
      "lbr": "sn74ls390dr.lbr"
    },
    "distributor_links": {
      "lcsc": "C22466299"
    },
    "distributor_check": {
      "checked_at": "2026-10-22T19:34:28Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "0CP1",
        "type": "input",
        "description": "Clock input of counter 1 divide-by-2 section, triggered on the HIGH-to-LOW edge."
      },
      {
        "number": "2",
        "name": "1MR",
        "type": "input",
        "description": "Asynchronous master reset input of counter 1, active HIGH; a HIGH overrides the clocks and sets the four outputs LOW."
      },
      {
        "number": "3",
        "name": "1Q0",
        "type": "output",
        "description": "Flip-flop output Q0 of counter 1 (divide-by-2 section output)."
      },
      {
        "number": "4",
        "name": "1CP1",
        "type": "input",
        "description": "Clock input of counter 1 divide-by-5 section, triggered on the HIGH-to-LOW edge."
      },
      {
        "number": "5",
        "name": "1Q1",
        "type": "output",
        "description": "Flip-flop output Q1 of counter 1."
      },
      {
        "number": "6",
        "name": "1Q2",
        "type": "output",
        "description": "Flip-flop output Q2 of counter 1."
      },
      {
        "number": "7",
        "name": "1Q3",
        "type": "output",
        "description": "Flip-flop output Q3 of counter 1."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground (0 V)."
      },
      {
        "number": "9",
        "name": "2Q3",
        "type": "output",
        "description": "Flip-flop output Q3 of counter 2."
      },
      {
        "number": "10",
        "name": "2Q2",
        "type": "output",
        "description": "Flip-flop output Q2 of counter 2."
      },
      {
        "number": "11",
        "name": "2Q1",
        "type": "output",
        "description": "Flip-flop output Q1 of counter 2."
      },
      {
        "number": "12",
        "name": "1CP2",
        "type": "input",
        "description": "Clock input of counter 2 divide-by-5 section, triggered on the HIGH-to-LOW edge."
      },
      {
        "number": "13",
        "name": "2Q0",
        "type": "output",
        "description": "Flip-flop output Q0 of counter 2 (divide-by-2 section output)."
      },
      {
        "number": "14",
        "name": "2MR",
        "type": "input",
        "description": "Asynchronous master reset input of counter 2, active HIGH; a HIGH overrides the clocks and sets the four outputs LOW."
      },
      {
        "number": "15",
        "name": "0CP2",
        "type": "input",
        "description": "Clock input of counter 2 divide-by-2 section, triggered on the HIGH-to-LOW edge."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; recommended 2.0 V to 6.0 V (5.0 V typ), absolute maximum 7.0 V."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: MPN SN74LS390DR maps to the SOP16 tape-and-reel entry (2500 pcs/reel) on page 5. The pin table is sh; Clock pin names are copied as printed in the table, which writes them as 0CP1, 1CP1, 1CP2 and 0CP2. "
        ],
        "pages_sent": 20,
        "cost_usd": 0.14,
        "at": "2026-10-22T19:34:16"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/5f78a0b89e887eaeea11c741d6b06b34.pdf",
        "pages": 20,
        "sha256": "b0bfb95ad316f181",
        "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"
    },
    "models_3d": [
      {
        "file": "sn74ls390dr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74ls390dr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          9.9,
          1.75
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "28de5ec984a0c2e76ebe14ddd15fc65848e43efaea6850ecf1916df5a18e8c44",
        "checked": "2026-10-22",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}