SN74LS375N

{
  "slug": "sn74ls375n",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Latches, PDIP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "sn74ls375n",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74ls375n.kicad_sym",
    "sn74ls375n.kicad_mod",
    "sn74ls375n.glb",
    "sn74ls375n.step",
    "sn74ls375n.lbr",
    "docs/hero.png",
    "docs/sn74ls375n-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74ls375n-hero.glb",
    "sn74ls375n-hero.overlay.json",
    "sn74ls375n-etched.glb"
  ],
  "component": {
    "mpn": "SN74LS375N",
    "manufacturer": "Texas Instruments",
    "package": "PDIP-16",
    "pin_count": 16,
    "category": "Logic ICs",
    "subcategory": "Latches",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/eedaf40d775a329621ecb80742a21b23.pdf",
    "parts": {
      "symbol": "sn74ls375n.kicad_sym",
      "footprint": "sn74ls375n.kicad_mod",
      "model_3d": "sn74ls375n-hero.glb",
      "model_3d_plain": "sn74ls375n-etched.glb",
      "model_3d_step": "sn74ls375n-etched.step",
      "model_3d_step_plain": "sn74ls375n.step",
      "lbr": "sn74ls375n.lbr"
    },
    "distributor_links": {
      "lcsc": "C1547799",
      "digikey": "296-34000-5-ND",
      "mouser": "595-SN74LS375N"
    },
    "distributor_check": {
      "checked_at": "2026-10-30T16:09:34Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-34000-5-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74LS375N",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1D",
        "type": "input",
        "description": "Data input of latch 1, transferred to 1Q when 1C,2C is high; high level at least 2 V, low level at most 0.8 V."
      },
      {
        "number": "2",
        "name": "1Q̅",
        "type": "output",
        "description": "Complementary output of latch 1, sources up to 0.4 mA high and sinks 8 mA low."
      },
      {
        "number": "3",
        "name": "1Q",
        "type": "output",
        "description": "True output of latch 1, follows 1D while 1C,2C is high and holds when low; IOH -0.4 mA, IOL 8 mA max."
      },
      {
        "number": "4",
        "name": "1C,2C",
        "type": "input",
        "description": "Shared enable input for latches 1 and 2; transparent when high, latched when low."
      },
      {
        "number": "5",
        "name": "2Q",
        "type": "output",
        "description": "True output of latch 2, follows 2D while 1C,2C is high; IOH -0.4 mA, IOL 8 mA max."
      },
      {
        "number": "6",
        "name": "2Q̅",
        "type": "output",
        "description": "Complementary output of latch 2, IOH -0.4 mA, IOL 8 mA max."
      },
      {
        "number": "7",
        "name": "2D",
        "type": "input",
        "description": "Data input of latch 2, transferred to 2Q when 1C,2C is high; VIH 2 V min, VIL 0.8 V max."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground supply terminal, reference for all voltages."
      },
      {
        "number": "9",
        "name": "3D",
        "type": "input",
        "description": "Data input of latch 3, transferred to 3Q when 3C,4C is high; VIH 2 V min, VIL 0.8 V max."
      },
      {
        "number": "10",
        "name": "3Q̅",
        "type": "output",
        "description": "Complementary output of latch 3, IOH -0.4 mA, IOL 8 mA max."
      },
      {
        "number": "11",
        "name": "3Q",
        "type": "output",
        "description": "True output of latch 3, follows 3D while 3C,4C is high; IOH -0.4 mA, IOL 8 mA max."
      },
      {
        "number": "12",
        "name": "3C,4C",
        "type": "input",
        "description": "Shared enable input for latches 3 and 4; transparent when high, latched when low."
      },
      {
        "number": "13",
        "name": "4Q",
        "type": "output",
        "description": "True output of latch 4, follows 4D while 3C,4C is high; IOH -0.4 mA, IOL 8 mA max."
      },
      {
        "number": "14",
        "name": "4Q̅",
        "type": "output",
        "description": "Complementary output of latch 4, IOH -0.4 mA, IOL 8 mA max."
      },
      {
        "number": "15",
        "name": "4D",
        "type": "input",
        "description": "Data input of latch 4, transferred to 4Q when 3C,4C is high; VIH 2 V min, VIL 0.8 V max."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 4.75 V to 5.25 V recommended for SN74LS375, 7 V absolute maximum."
      }
    ],
    "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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 10,
        "cost_usd": 0.3901,
        "at": "2026-10-30T16:09:19"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/eedaf40d775a329621ecb80742a21b23.pdf",
        "pages": 10,
        "sha256": "337f70032795b839",
        "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": "sn74ls375n.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "17a30b1f0ab3fd5384a1231e3c63c394888d5b952c542a8c189e023ed3467464",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74ls375n-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "body on z = 0, through-hole leads below",
        "extents_mm": [
          7.874,
          19.177,
          6.98
        ],
        "zmin_mm": -3.3,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "3b1549113e80ad268afed6ebfed7d4ac9a8b933ee6e82f171051e45df94eb0c2",
        "checked": "2026-10-30",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}