main
Ray Set visibility: public d105c40 15h ago
{
  "schema_version": 1,
  "type": "component",
  "slug": "cd74act161m96",
  "title": "CD74ACT161M96",
  "brief": "Texas Instruments Counters, Dividers, SOIC-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "logic",
    "cd74act161m96",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CD74ACT161M96",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd74act161",
    "parts": {
      "symbol": "cd74act161m96.kicad_sym",
      "footprint": "cd74act161m96.kicad_mod",
      "model_3d": "cd74act161m96-hero.glb",
      "model_3d_plain": "cd74act161m96.glb",
      "model_3d_step": "cd74act161m96-etched.step",
      "model_3d_step_plain": "cd74act161m96.step",
      "lbr": "cd74act161m96.lbr"
    },
    "distributor_links": {
      "lcsc": "C2675440",
      "digikey": "296-31551-2-ND",
      "mouser": "595-CD74ACT161M96"
    },
    "distributor_check": {
      "checked_at": "2026-10-07T02:17:00Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-31551-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-CD74ACT161M96",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CLR",
        "type": "input",
        "description": "Asynchronous clear input; low level sets all four flip-flop outputs low regardless of other inputs."
      },
      {
        "number": "2",
        "name": "CLK",
        "type": "input",
        "description": "Buffered clock input; triggers the four flip-flops on the rising edge of the clock waveform."
      },
      {
        "number": "3",
        "name": "A",
        "type": "input",
        "description": "Preset data input A; defines the preset value for output bit A when LOAD is low."
      },
      {
        "number": "4",
        "name": "B",
        "type": "input",
        "description": "Preset data input B; defines the preset value for output bit B when LOAD is low."
      },
      {
        "number": "5",
        "name": "C",
        "type": "input",
        "description": "Preset data input C; defines the preset value for output bit C when LOAD is low."
      },
      {
        "number": "6",
        "name": "D",
        "type": "input",
        "description": "Preset data input D; defines the preset value for output bit D when LOAD is low."
      },
      {
        "number": "7",
        "name": "ENP",
        "type": "input",
        "description": "Parallel count enable input; counter counts only when both ENP and ENT are high."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground; 0 V reference voltage."
      },
      {
        "number": "9",
        "name": "LOAD",
        "type": "input",
        "description": "Load input; low level synchronously presets counter outputs to match preset data inputs on next clock pulse."
      },
      {
        "number": "10",
        "name": "ENT",
        "type": "input",
        "description": "Terminal count enable input; counter counts when both ENP and ENT are high; fed forward to enable RCO."
      },
      {
        "number": "11",
        "name": "QD",
        "type": "output",
        "description": "4-bit binary counter output bit D (most significant bit)."
      },
      {
        "number": "12",
        "name": "QC",
        "type": "output",
        "description": "4-bit binary counter output bit C."
      },
      {
        "number": "13",
        "name": "QB",
        "type": "output",
        "description": "4-bit binary counter output bit B."
      },
      {
        "number": "14",
        "name": "QA",
        "type": "output",
        "description": "4-bit binary counter output bit A (least significant bit)."
      },
      {
        "number": "15",
        "name": "RCO",
        "type": "output",
        "description": "Ripple-carry output; produces high-level pulse when counter reaches terminal count (maximum value) and ENT is high."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply voltage; 4.5 V to 5.5 V recommended operating range."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-haiku-4-5-20251001",
        "primary_mode": "text",
        "consensus_model": "claude-sonnet-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [],
        "pages_sent": 18,
        "cost_usd": 0.1364,
        "at": "2026-10-07T02:16:45"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd74act161",
        "pages": 18,
        "sha256": "131692bc612740db",
        "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": "cd74act161m96.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "d5eeddb4c0b304dc61950919b126fc61d7586abd5f16ab71a2a79759ec6498bf",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd74act161m96-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          9.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "23bb5f0e4b71a99808801acd27b14ae757fde72196e8144aaa628e82e1ad678a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd74act161m96"
  ],
  "discovery_pitch": "CD74ACT161M96 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cd74act161m96.kicad_sym",
    "cd74act161m96.kicad_mod",
    "cd74act161m96.glb",
    "cd74act161m96.step",
    "cd74act161m96.lbr",
    "docs/hero.png",
    "docs/cd74act161m96-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd74act161m96-hero.glb",
    "cd74act161m96-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}