74HCT393D

{
  "slug": "74hct393d",
  "version": "0.1.0",
  "type": "component",
  "description": "Nexperia Counters, Dividers, SO-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74hct393d",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74hct393d.kicad_sym",
    "74hct393d.kicad_mod",
    "74hct393d.glb",
    "74hct393d.step",
    "74hct393d.lbr",
    "docs/hero.png",
    "docs/74hct393d-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74hct393d-hero.glb",
    "74hct393d-hero.overlay.json",
    "74hct393d-etched.glb"
  ],
  "component": {
    "mpn": "74HCT393D",
    "manufacturer": "Nexperia",
    "package": "SO-14",
    "pin_count": 14,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://assets.nexperia.com/documents/data-sheet/74HC_HCT393.pdf",
    "parts": {
      "symbol": "74hct393d.kicad_sym",
      "footprint": "74hct393d.kicad_mod",
      "model_3d": "74hct393d-hero.glb",
      "model_3d_plain": "74hct393d-etched.glb",
      "model_3d_step": "74hct393d-etched.step",
      "model_3d_step_plain": "74hct393d.step",
      "lbr": "74hct393d.lbr"
    },
    "distributor_links": {
      "lcsc": "C547642",
      "mouser": "771-74HCT393D"
    },
    "distributor_check": {
      "checked_at": "2026-10-29T16:39:25Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": "771-74HCT393D",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "1CP",
        "type": "input",
        "description": "Clock input for counter 1, which is edge-triggered and advances the counter on the HIGH-to-LOW transition."
      },
      {
        "number": "2",
        "name": "1MR",
        "type": "input",
        "description": "Asynchronous master reset input for counter 1, active HIGH, which clears the counter stages and forces the outputs LOW independent of 1CP."
      },
      {
        "number": "3",
        "name": "1Q0",
        "type": "output",
        "description": "Flip-flop output Q0 of counter 1, the least significant bit of the 4-bit binary count (count sequence in Table 3)."
      },
      {
        "number": "4",
        "name": "1Q1",
        "type": "output",
        "description": "Flip-flop output Q1 of counter 1, bit 1 of the 4-bit binary count (count sequence in Table 3)."
      },
      {
        "number": "5",
        "name": "1Q2",
        "type": "output",
        "description": "Flip-flop output Q2 of counter 1, bit 2 of the 4-bit binary count (count sequence in Table 3)."
      },
      {
        "number": "6",
        "name": "1Q3",
        "type": "output",
        "description": "Flip-flop output Q3 of counter 1, the most significant bit of the 4-bit binary count (count sequence in Table 3)."
      },
      {
        "number": "7",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference at 0 V; all voltages are referenced to GND."
      },
      {
        "number": "8",
        "name": "2Q3",
        "type": "output",
        "description": "Flip-flop output Q3 of counter 2, the most significant bit of the 4-bit binary count (count sequence in Table 3)."
      },
      {
        "number": "9",
        "name": "2Q2",
        "type": "output",
        "description": "Flip-flop output Q2 of counter 2, bit 2 of the 4-bit binary count (count sequence in Table 3)."
      },
      {
        "number": "10",
        "name": "2Q1",
        "type": "output",
        "description": "Flip-flop output Q1 of counter 2, bit 1 of the 4-bit binary count (count sequence in Table 3)."
      },
      {
        "number": "11",
        "name": "2Q0",
        "type": "output",
        "description": "Flip-flop output Q0 of counter 2, the least significant bit of the 4-bit binary count (count sequence in Table 3)."
      },
      {
        "number": "12",
        "name": "2MR",
        "type": "input",
        "description": "Asynchronous master reset input for counter 2, active HIGH, which clears the counter stages and forces the outputs LOW independent of 2CP."
      },
      {
        "number": "13",
        "name": "2CP",
        "type": "input",
        "description": "Clock input for counter 2, which is edge-triggered and advances the counter on the HIGH-to-LOW transition."
      },
      {
        "number": "14",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; recommended range is 2.0 V to 6.0 V for 74HC393 and 4.5 V to 5.5 V for 74HCT393, with an absolute maximum of +7 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: Output pin descriptions are derived from the count sequence in Table 3 and the pin-to-function mappi; The VCC range is taken from the recommended operating conditions (Table 5) and absolute maximum (Tab"
        ],
        "pages_sent": 15,
        "cost_usd": 0.0736,
        "at": "2026-10-29T16:39:08"
      },
      "datasheet": {
        "url": "https://assets.nexperia.com/documents/data-sheet/74HC_HCT393.pdf",
        "pages": 15,
        "sha256": "42d273f87d2e5d89",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 14,
        "described": 14,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "74hct393d.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.65,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d7cc2dba1160a8089d80d16b63eb6d6a5c73c70f2d20328e6dd8f3b7be689409",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74hct393d-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.0,
          8.65,
          1.55
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "7fdc493bdfcbf48b29fca144f39733e1a97f114600e473b7faaf7b5c4980144f",
        "checked": "2026-10-29",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "SOT108-1 (SO14)",
      "source_page": 10,
      "D": {
        "nom_mm": 8.65,
        "range_mm": [
          8.55,
          8.75
        ]
      },
      "E1": {
        "nom_mm": 3.9,
        "range_mm": [
          3.8,
          4.0
        ]
      },
      "E": {
        "nom_mm": 6.0,
        "range_mm": [
          5.8,
          6.2
        ]
      },
      "e": {
        "nom_mm": 1.27,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 1.75,
        "range_mm": [
          null,
          1.75
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "74hct393d.step",
        "verdict": "PASS",
        "reasons": [
          "height and body within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}