CDC2351MDBREP

{
  "slug": "cdc2351mdbrep",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Clock Buffers, Drivers, SSOP-24-208mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "rtc-clock chip",
    "cdc2351mdbrep",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "cdc2351mdbrep.kicad_sym",
    "cdc2351mdbrep.kicad_mod",
    "cdc2351mdbrep.glb",
    "cdc2351mdbrep.step",
    "cdc2351mdbrep.lbr",
    "docs/hero.png",
    "docs/cdc2351mdbrep-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "cdc2351mdbrep-hero.glb",
    "cdc2351mdbrep-hero.overlay.json"
  ],
  "component": {
    "mpn": "CDC2351MDBREP",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-24-208mil",
    "pin_count": 24,
    "category": "RTC/Clock Chip",
    "subcategory": "Clock Buffers, Drivers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/cdc2351-ep",
    "parts": {
      "symbol": "cdc2351mdbrep.kicad_sym",
      "footprint": "cdc2351mdbrep.kicad_mod",
      "model_3d": "cdc2351mdbrep-hero.glb",
      "model_3d_plain": "cdc2351mdbrep.glb",
      "model_3d_step": "cdc2351mdbrep-etched.step",
      "model_3d_step_plain": "cdc2351mdbrep.step",
      "lbr": "cdc2351mdbrep.lbr"
    },
    "distributor_links": {
      "lcsc": "C2672980",
      "digikey": "296-18093-2-ND",
      "mouser": "595-CDC2351MDBREP"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T23:02:31Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-18093-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-CDC2351MDBREP",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet notes distributed VCC and ground pins are used to reduce switching noise."
      },
      {
        "number": "2",
        "name": "Y10",
        "type": "output",
        "description": "Clock output 10 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "3",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; recommended operating supply voltage is 3 V to 3.6 V (nominal 3.3 V)."
      },
      {
        "number": "4",
        "name": "Y9",
        "type": "output",
        "description": "Clock output 9 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "5",
        "name": "OE",
        "type": "input",
        "description": "Active-low output enable; when high, all outputs Y go to high-impedance state; when low, outputs follow input A. LVTTL-compatible, input voltage range 0 V to 5.5 V."
      },
      {
        "number": "6",
        "name": "A",
        "type": "input",
        "description": "Clock input that is distributed to the 10 outputs; LVTTL-compatible, input voltage range 0 V to 5.5 V, input clock frequency up to 100 MHz."
      },
      {
        "number": "7",
        "name": "P0",
        "type": "input",
        "description": "Factory propagation-delay adjustment pin, not intended for customer use; it should be connected to GND."
      },
      {
        "number": "8",
        "name": "P1",
        "type": "input",
        "description": "Factory propagation-delay adjustment pin, not intended for customer use; it should be connected to GND."
      },
      {
        "number": "9",
        "name": "Y8",
        "type": "output",
        "description": "Clock output 8 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "10",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; recommended operating supply voltage is 3 V to 3.6 V (nominal 3.3 V)."
      },
      {
        "number": "11",
        "name": "Y7",
        "type": "output",
        "description": "Clock output 7 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "12",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet notes distributed VCC and ground pins are used to reduce switching noise."
      },
      {
        "number": "13",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet notes distributed VCC and ground pins are used to reduce switching noise."
      },
      {
        "number": "14",
        "name": "Y6",
        "type": "output",
        "description": "Clock output 6 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "15",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; recommended operating supply voltage is 3 V to 3.6 V (nominal 3.3 V)."
      },
      {
        "number": "16",
        "name": "Y5",
        "type": "output",
        "description": "Clock output 5 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "17",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet notes distributed VCC and ground pins are used to reduce switching noise."
      },
      {
        "number": "18",
        "name": "Y4",
        "type": "output",
        "description": "Clock output 4 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "19",
        "name": "Y3",
        "type": "output",
        "description": "Clock output 3 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "20",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet notes distributed VCC and ground pins are used to reduce switching noise."
      },
      {
        "number": "21",
        "name": "Y2",
        "type": "output",
        "description": "Clock output 2 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "22",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply pin; recommended operating supply voltage is 3 V to 3.6 V (nominal 3.3 V)."
      },
      {
        "number": "23",
        "name": "Y1",
        "type": "output",
        "description": "Clock output 1 with internal series damping resistor; tri-stated (high impedance) when OE is high, IOH −12 mA and IOL 12 mA max at VCC = 3 V."
      },
      {
        "number": "24",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin; the datasheet notes distributed VCC and ground pins are used to reduce switching noise."
      }
    ],
    "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: The package hint says SSOP-24-208mil, but the datasheet text only says 'DB package' / 'Shrink Small-; The pin-number-to-name mapping for pins 13-24 was reconstructed. The extracted text lists the right-; Pin types for P0 and P1 are set to input per KiCad classes, though the datasheet says they are not f"
        ],
        "pages_sent": 11,
        "cost_usd": 0.0753,
        "at": "2026-10-08T23:01:55"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/cdc2351-ep",
        "pages": 11,
        "sha256": "d6a230475d6886db",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 24,
        "described": 24,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "cdc2351mdbrep.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          7.8,
          8.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "77dd0a1fc7e70e9eda1bfde9dde937dc6e391803cff9978790523c850c85a21d",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "cdc2351mdbrep-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          8.2,
          2.1
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ddb595a405bc16cdde7c7fe04758a4eac20e7c1d2bf553f6c71d47500a08eede",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}