74HC193M

{
  "slug": "74hc193m",
  "version": "0.1.0",
  "type": "component",
  "description": "HGSEMI Counters, Dividers, SOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "74hc193m",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "74hc193m.kicad_sym",
    "74hc193m.kicad_mod",
    "74hc193m.glb",
    "74hc193m.step",
    "74hc193m.lbr",
    "docs/hero.png",
    "docs/74hc193m-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "74hc193m-hero.glb",
    "74hc193m-hero.overlay.json",
    "74hc193m-etched.glb"
  ],
  "component": {
    "mpn": "74HC193M",
    "manufacturer": "HGSEMI",
    "package": "SOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603087547749060608",
    "parts": {
      "symbol": "74hc193m.kicad_sym",
      "footprint": "74hc193m.kicad_mod",
      "model_3d": "74hc193m-hero.glb",
      "model_3d_plain": "74hc193m-etched.glb",
      "model_3d_step": "74hc193m-etched.step",
      "model_3d_step_plain": "74hc193m.step",
      "lbr": "74hc193m.lbr"
    },
    "distributor_links": {
      "lcsc": "C5310765"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T23:58:06Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "B",
        "type": "input",
        "description": "Data input B (preset input), loaded into its counter stage when LOAD is low; unused inputs must be held at VCC or GND."
      },
      {
        "number": "2",
        "name": "QB",
        "type": "output",
        "description": "Counter flip-flop output QB, forced low when CLR is high and drives up to 10 LSTTL loads."
      },
      {
        "number": "3",
        "name": "QA",
        "type": "output",
        "description": "Counter flip-flop output QA, forced low when CLR is high and drives up to 10 LSTTL loads."
      },
      {
        "number": "4",
        "name": "DOWN",
        "type": "input",
        "description": "Count-down clock input, triggers on a low-to-high transition while UP is held high."
      },
      {
        "number": "5",
        "name": "UP",
        "type": "input",
        "description": "Count-up clock input, triggers on a low-to-high transition while DOWN is held high."
      },
      {
        "number": "6",
        "name": "QC",
        "type": "output",
        "description": "Counter flip-flop output QC, forced low when CLR is high and drives up to 10 LSTTL loads."
      },
      {
        "number": "7",
        "name": "QD",
        "type": "output",
        "description": "Counter flip-flop output QD, forced low when CLR is high and drives up to 10 LSTTL loads."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device."
      },
      {
        "number": "9",
        "name": "D",
        "type": "input",
        "description": "Data input D (preset input), loaded into its counter stage when LOAD is low."
      },
      {
        "number": "10",
        "name": "C",
        "type": "input",
        "description": "Data input C (preset input), loaded into its counter stage when LOAD is low."
      },
      {
        "number": "11",
        "name": "LOAD",
        "type": "input",
        "description": "Active-low asynchronous parallel load input that presets the outputs to the data inputs independently of the count pulses."
      },
      {
        "number": "12",
        "name": "CO",
        "type": "output",
        "description": "Active-low carry output that pulses low while the count is maximum (9 or 15) and UP is low, feeding UP of the next stage."
      },
      {
        "number": "13",
        "name": "BO",
        "type": "output",
        "description": "Active-low borrow output that pulses low while the count is zero and DOWN is low, feeding DOWN of the next stage."
      },
      {
        "number": "14",
        "name": "CLR",
        "type": "input",
        "description": "Asynchronous clear input that forces all outputs low when high, independent of the count and LOAD inputs."
      },
      {
        "number": "15",
        "name": "A",
        "type": "input",
        "description": "Data input A (preset input), loaded into its counter stage when LOAD is low."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin, recommended 2 V to 6 V (absolute maximum 7 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+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet gives one shared pin diagram for DIP16/SOP16/TSSOP16. The ordering table lists the SOP",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 11,
        "cost_usd": 0.2772,
        "at": "2026-10-18T23:55:32"
      },
      "datasheet": {
        "url": "https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603087547749060608",
        "pages": 11,
        "sha256": "034488b36d5ee7df",
        "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": "74hc193m.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": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "74hc193m-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": "c6195ad5a6e2016843e46f87521f7de2df5798f04be253d480b40ab697c2b64b",
        "checked": "2026-10-19",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}