CD40103BNSR

{
  "schema_version": 1,
  "type": "component",
  "slug": "cd40103bnsr",
  "title": "CD40103BNSR",
  "brief": "Texas Instruments Counters, Dividers, SO-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",
    "cd40103bnsr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "CD40103BNSR",
    "manufacturer": "Texas Instruments",
    "package": "SO-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Counters, Dividers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cd40103b",
    "parts": {
      "symbol": "cd40103bnsr.kicad_sym",
      "footprint": "cd40103bnsr.kicad_mod",
      "model_3d": "cd40103bnsr-hero.glb",
      "model_3d_plain": "cd40103bnsr.glb",
      "model_3d_step": "cd40103bnsr-etched.step",
      "model_3d_step_plain": "cd40103bnsr.step",
      "lbr": "cd40103bnsr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2870833",
      "digikey": "296-29360-2-ND",
      "mouser": "595-CD40103BNSR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:54:01Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-29360-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-CD40103BNSR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CLOCK",
        "type": "input",
        "description": "Clock input; the counter decrements by one on each positive clock transition."
      },
      {
        "number": "2",
        "name": "CLR",
        "type": "input",
        "description": "Active-low clear input; when low, asynchronously clears the counter to its maximum count (255 for the CD40103B) regardless of other inputs."
      },
      {
        "number": "3",
        "name": "CI/CE",
        "type": "input",
        "description": "Active-low carry-in/counter enable input; counting is inhibited when high."
      },
      {
        "number": "4",
        "name": "J0",
        "type": "input",
        "description": "Jam (preset) data input J0, the LSB of the 8-bit binary word for the CD40103B."
      },
      {
        "number": "5",
        "name": "J1",
        "type": "input",
        "description": "Jam (preset) data input J1."
      },
      {
        "number": "6",
        "name": "J2",
        "type": "input",
        "description": "Jam (preset) data input J2."
      },
      {
        "number": "7",
        "name": "J3",
        "type": "input",
        "description": "Jam (preset) data input J3."
      },
      {
        "number": "8",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground (negative supply) reference; all voltages are referenced to VSS."
      },
      {
        "number": "9",
        "name": "APE",
        "type": "input",
        "description": "Active-low asynchronous preset-enable input; when low, JAM data is forced into the counter regardless of SPE, CI/CE or CLOCK."
      },
      {
        "number": "10",
        "name": "J4",
        "type": "input",
        "description": "Jam (preset) data input J4."
      },
      {
        "number": "11",
        "name": "J5",
        "type": "input",
        "description": "Jam (preset) data input J5."
      },
      {
        "number": "12",
        "name": "J6",
        "type": "input",
        "description": "Jam (preset) data input J6."
      },
      {
        "number": "13",
        "name": "J7",
        "type": "input",
        "description": "Jam (preset) data input J7, the MSB of the 8-bit binary word for the CD40103B."
      },
      {
        "number": "14",
        "name": "CO/ZD",
        "type": "output",
        "description": "Active-low carry-out/zero-detect output; goes low when the count reaches zero with CI/CE low and remains low for one full clock period."
      },
      {
        "number": "15",
        "name": "SPE",
        "type": "input",
        "description": "Active-low synchronous preset-enable input; when low, JAM data is clocked into the counter on the next positive clock transition regardless of the CI/CE state."
      },
      {
        "number": "16",
        "name": "VDD",
        "type": "power_in",
        "description": "Positive supply; recommended 3 V to 18 V over the full package-temperature range, absolute maximum -0.5 V to +20 V referenced to VSS."
      }
    ],
    "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": "vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The terminal assignment figure is shown for the CD40102B and CD40103B together and is not labelled b",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 12,
        "cost_usd": 0.4489,
        "at": "2026-10-08T16:53:44"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cd40103b",
        "pages": 21,
        "sha256": "1a982876aec1d075",
        "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": "cd40103bnsr.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cd40103bnsr-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": "1eec7747e846daa1afe682218c28e0505b31465ada517e202fcbde2dcc31e3ee",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SO-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
  "variants": [],
  "sections": [
    "hero",
    "viewers",
    "readme",
    "breadcrumbs",
    "info"
  ],
  "discovery_triggers": [
    "cd40103bnsr"
  ],
  "discovery_pitch": "CD40103BNSR (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",
    "cd40103bnsr.kicad_sym",
    "cd40103bnsr.kicad_mod",
    "cd40103bnsr.glb",
    "cd40103bnsr.step",
    "cd40103bnsr.lbr",
    "docs/hero.png",
    "docs/cd40103bnsr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cd40103bnsr-hero.glb",
    "cd40103bnsr-hero.overlay.json"
  ],
  "visibility": {
    "public": true
  }
}