CD74HCT259M96

{
  "slug": "cd74hct259m96",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Latches, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "cd74hct259m96",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd74hct259m96.kicad_sym",
    "cd74hct259m96.kicad_mod",
    "cd74hct259m96.glb",
    "cd74hct259m96.step",
    "cd74hct259m96.lbr",
    "docs/hero.png",
    "docs/cd74hct259m96-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd74hct259m96-hero.glb",
    "cd74hct259m96-hero.overlay.json",
    "cd74hct259m96-etched.glb"
  ],
  "component": {
    "mpn": "CD74HCT259M96",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Latches",
    "datasheet": "https://www.ti.com/lit/ds/symlink/cd74hct259m96.pdf",
    "parts": {
      "symbol": "cd74hct259m96.kicad_sym",
      "footprint": "cd74hct259m96.kicad_mod",
      "model_3d": "cd74hct259m96-hero.glb",
      "model_3d_plain": "cd74hct259m96-etched.glb",
      "model_3d_step": "cd74hct259m96-etched.step",
      "model_3d_step_plain": "cd74hct259m96.step",
      "lbr": "cd74hct259m96.lbr"
    },
    "distributor_links": {
      "lcsc": "C2872154",
      "digikey": "296-31608-2-ND",
      "mouser": "595-CD74HCT259M96"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:43:47Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-31608-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-CD74HCT259M96",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S0",
        "type": "input",
        "description": "Address select input bit 0 (LSB) selecting which of the eight latches is addressed."
      },
      {
        "number": "2",
        "name": "S1",
        "type": "input",
        "description": "Address select input bit 1 selecting which of the eight latches is addressed."
      },
      {
        "number": "3",
        "name": "S2",
        "type": "input",
        "description": "Address select input bit 2 (MSB) selecting which of the eight latches is addressed."
      },
      {
        "number": "4",
        "name": "Q0",
        "type": "output",
        "description": "Latch 0 buffered output, active high."
      },
      {
        "number": "5",
        "name": "Q1",
        "type": "output",
        "description": "Latch 1 buffered output, active high."
      },
      {
        "number": "6",
        "name": "Q2",
        "type": "output",
        "description": "Latch 2 buffered output, active high."
      },
      {
        "number": "7",
        "name": "Q3",
        "type": "output",
        "description": "Latch 3 buffered output, active high."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the supply."
      },
      {
        "number": "9",
        "name": "Q4",
        "type": "output",
        "description": "Latch 4 buffered output, active high."
      },
      {
        "number": "10",
        "name": "Q5",
        "type": "output",
        "description": "Latch 5 buffered output, active high."
      },
      {
        "number": "11",
        "name": "Q6",
        "type": "output",
        "description": "Latch 6 buffered output, active high."
      },
      {
        "number": "12",
        "name": "Q7",
        "type": "output",
        "description": "Latch 7 buffered output, active high."
      },
      {
        "number": "13",
        "name": "D",
        "type": "input",
        "description": "Data input written into the addressed latch."
      },
      {
        "number": "14",
        "name": "G",
        "type": "input",
        "description": "Active-low enable input; low allows the addressed latch to follow D, high holds the latches in memory mode."
      },
      {
        "number": "15",
        "name": "CLR",
        "type": "input",
        "description": "Active-low clear input; with G high all outputs are cleared low, with G low it selects 1-of-8 decoder mode."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 4.5 V to 5.5 V for HCT types, with a 0.1 µF bypass capacitor recommended."
      }
    ],
    "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": 23,
        "cost_usd": 0.249,
        "at": "2026-10-18T05:42:38"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/cd74hct259m96.pdf",
        "pages": 23,
        "sha256": "b5b0452744156ee1",
        "source_tier": "mfr"
      },
      "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": [
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        "role": "plain",
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        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
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  }
}