SN74CBT16214CDLR

{
  "slug": "sn74cbt16214cdlr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Signal Switches / Encoders & Decoders / Multiplexers, SSOP-56-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic ics",
    "sn74cbt16214cdlr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74cbt16214cdlr.kicad_sym",
    "sn74cbt16214cdlr.kicad_mod",
    "sn74cbt16214cdlr.glb",
    "sn74cbt16214cdlr.step",
    "sn74cbt16214cdlr.lbr",
    "docs/hero.png",
    "docs/sn74cbt16214cdlr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74cbt16214cdlr-hero.glb",
    "sn74cbt16214cdlr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74CBT16214CDLR",
    "manufacturer": "Texas Instruments",
    "package": "SSOP-56-300mil",
    "pin_count": 56,
    "category": "Logic ICs",
    "subcategory": "Signal Switches / Encoders & Decoders / Multiplexers",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74cbt16214c",
    "parts": {
      "symbol": "sn74cbt16214cdlr.kicad_sym",
      "footprint": "sn74cbt16214cdlr.kicad_mod",
      "model_3d": "sn74cbt16214cdlr-hero.glb",
      "model_3d_plain": "sn74cbt16214cdlr.glb",
      "model_3d_step": "sn74cbt16214cdlr-etched.step",
      "model_3d_step_plain": "sn74cbt16214cdlr.step",
      "lbr": "sn74cbt16214cdlr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2674704",
      "digikey": "296-19174-2-ND",
      "mouser": "595-SN74CBT16214CDLR"
    },
    "distributor_check": {
      "checked_at": "2026-10-11T19:09:42Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-19174-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74CBT16214CDLR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "S0",
        "type": "input",
        "description": "Select input that sets the 1-of-3 switch path; TTL-compatible with VIH minimum 2 V, VIL maximum 0.8 V, and a 5.5 V maximum, and should be tied to GND through a pulldown resistor to keep the switch in high-impedance during power up or power down."
      },
      {
        "number": "2",
        "name": "1A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 1, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "3",
        "name": "1B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 1, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "4",
        "name": "2A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 2, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "5",
        "name": "2B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 2, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "6",
        "name": "3A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 3, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "7",
        "name": "3B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 3, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference; all voltages are referenced to ground."
      },
      {
        "number": "9",
        "name": "4A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 4, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "10",
        "name": "4B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 4, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "11",
        "name": "5A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 5, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "12",
        "name": "5B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 5, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "13",
        "name": "6A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 6, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "14",
        "name": "6B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 6, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "15",
        "name": "7A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 7, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "16",
        "name": "7B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 7, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "17",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage; recommended operating range is 4 V to 5.5 V."
      },
      {
        "number": "18",
        "name": "8A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 8, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "19",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference; all voltages are referenced to ground."
      },
      {
        "number": "20",
        "name": "8B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 8, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "21",
        "name": "9A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 9, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "22",
        "name": "9B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 9, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "23",
        "name": "10A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 10, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "24",
        "name": "10B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 10, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "25",
        "name": "11A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 11, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "26",
        "name": "11B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 11, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "27",
        "name": "12A",
        "type": "bidirectional",
        "description": "Switch port A of multiplexer channel 12, connected to the selected B port when enabled, high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "28",
        "name": "12B3",
        "type": "bidirectional",
        "description": "Switch port B3 of channel 12, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "29",
        "name": "12B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 12, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "30",
        "name": "12B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 12, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "31",
        "name": "11B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 11, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "32",
        "name": "11B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 11, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "33",
        "name": "10B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 10, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "34",
        "name": "10B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 10, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "35",
        "name": "9B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 9, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "36",
        "name": "9B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 9, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "37",
        "name": "8B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 8, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "38",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference; all voltages are referenced to ground."
      },
      {
        "number": "39",
        "name": "8B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 8, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "40",
        "name": "7B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 7, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "41",
        "name": "7B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 7, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "42",
        "name": "6B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 6, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "43",
        "name": "6B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 6, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "44",
        "name": "5B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 5, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "45",
        "name": "5B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 5, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "46",
        "name": "4B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 4, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "47",
        "name": "4B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 4, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "48",
        "name": "3B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 3, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "49",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference; all voltages are referenced to ground."
      },
      {
        "number": "50",
        "name": "3B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 3, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "51",
        "name": "2B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 2, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "52",
        "name": "2B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 2, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "53",
        "name": "1B2",
        "type": "bidirectional",
        "description": "Switch port B2 of channel 1, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "54",
        "name": "1B1",
        "type": "bidirectional",
        "description": "Switch port B1 of channel 1, connected to A when selected by S0-S2 and high-impedance when disconnected, with undershoot protection to −2 V."
      },
      {
        "number": "55",
        "name": "S2",
        "type": "input",
        "description": "Select input that sets the 1-of-3 switch path; TTL-compatible with VIH minimum 2 V, VIL maximum 0.8 V, and a 5.5 V maximum, and should be tied to GND through a pulldown resistor to keep the switch in high-impedance during power up or power down."
      },
      {
        "number": "56",
        "name": "S1",
        "type": "input",
        "description": "Select input that sets the 1-of-3 switch path; TTL-compatible with VIH minimum 2 V, VIL maximum 0.8 V, and a 5.5 V maximum, and should be tied to GND through a pulldown resistor to keep the switch in high-impedance during power up or power down."
      }
    ],
    "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 datasheet does not state '300 mil' anywhere; it gives the package as SSOP (DL), 56 pins. The pac; The pin list on page 1 is a text extraction of the top-view drawing, so the pin-to-name mapping was ; Pin types for the A and B switch ports are set to bidirectional, based on the datasheet's 'bidirecti",
          "1/56 pins cited to the wrong page (name found elsewhere): ['17:VCC@p4']"
        ],
        "pages_sent": 17,
        "cost_usd": 0.1077,
        "at": "2026-10-11T19:09:13"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74cbt16214c",
        "pages": 17,
        "sha256": "6c74cd73ff65d596",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 56,
        "described": 56,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
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        "file": "sn74cbt16214cdlr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "496b138c9bddb6111fccc97928b5e654846ac39b68862745293b24c720d158e5",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74cbt16214cdlr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "bf1cdf8b05cdf5c369b4f7051b76246191a68c5f1243fdb268415f56ce4f990a",
        "checked": "2026-10-11",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
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  }
}