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Ray Set visibility: public eb2149a 5d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74lxch1t45dckr",
  "title": "SN74LXCH1T45DCKR",
  "brief": "Texas Instruments Translators, Level Shifters, SC-70-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
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    "logic",
    "sn74lxch1t45dckr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN74LXCH1T45DCKR",
    "manufacturer": "Texas Instruments",
    "package": "SC-70-6",
    "pin_count": 6,
    "category": "Logic",
    "subcategory": "Translators, Level Shifters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lxch1t45.pdf",
    "parts": {
      "symbol": "sn74lxch1t45dckr.kicad_sym",
      "footprint": "sn74lxch1t45dckr.kicad_mod",
      "model_3d": "sn74lxch1t45dckr-hero.glb",
      "model_3d_plain": "sn74lxch1t45dckr-etched.glb",
      "model_3d_step": "sn74lxch1t45dckr-etched.step",
      "model_3d_step_plain": "sn74lxch1t45dckr.step",
      "lbr": "sn74lxch1t45dckr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5217883"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T23:45:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
        "status": "quota"
      },
      "mouser": {
        "pn": null,
        "status": "quota"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCCA",
        "type": "power_in",
        "description": "A-port supply voltage, specified as 1.1 V ≤ VCCA ≤ 5.5 V."
      },
      {
        "number": "2",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "3",
        "name": "A",
        "type": "bidirectional",
        "description": "Input or output A, referenced to VCCA."
      },
      {
        "number": "4",
        "name": "B",
        "type": "bidirectional",
        "description": "Input or output B, referenced to VCCB."
      },
      {
        "number": "5",
        "name": "DIR",
        "type": "input",
        "description": "Direction-control signal for all ports, referenced to VCCA."
      },
      {
        "number": "6",
        "name": "VCCB",
        "type": "power_in",
        "description": "B-port supply voltage, specified as 1.1 V ≤ VCCB ≤ 5.5 V."
      }
    ],
    "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: Table 5-1 lists DIR (pin 5) twice with identical descriptions; it is one pin and was recorded once. ; The datasheet gives the DCK (SC70-6) pinout only in the table and figure; no separate ball or pad-le"
        ],
        "pages_sent": 10,
        "cost_usd": 0.0386,
        "at": "2026-10-17T23:43:48"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74lxch1t45.pdf",
        "pages": 41,
        "sha256": "68d1e381cf1516fb",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 6,
        "described": 6,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn74lxch1t45dckr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
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          2,
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        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "045cc95e18ee7a13d1623c3ce6604fc833049bdb4f952f68c26e3c5767d122e4",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lxch1t45dckr-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,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "c3ef6cbbd3f3593333f3404e67aed32b490a1dc84f4078267bf80f23e516e291",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SC-70-6",
      "Category": "Logic",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "68d1e381cf1516fba4f4d8ee3593eec5de122fb2b3e196bc583d0c158eaa8e0e",
      "rows": [
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          "symbol": "VCCA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": 5.5,
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          "source": "datasheet"
        },
        {
          "name": "VCCB supply voltage B",
          "symbol": "VCCB",
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          "min": 1.1,
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          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage, data inputs (A,B), referenced to VCCI",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.7,
          "typ": null,
          "max": null,
          "conditions": "VCCI = 2.3 V - 2.7 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level input voltage, data inputs (A,B), referenced to VCCI",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCCI = 3.0 V - 3.6 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage, data inputs (A,B), referenced to VCCI",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.7,
          "conditions": "VCCI = 2.3 V - 2.7 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage, data inputs (A,B), referenced to VCCI",
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          "min": null,
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          "max": 0.8,
          "conditions": "VCCI = 3.0 V - 3.6 V",
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          "source": "datasheet"
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        {
          "name": "High-level output current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": -0.1,
          "typ": null,
          "max": null,
          "conditions": "VCCO = 1.1 V",
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          "source": "datasheet"
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        {
          "name": "High-level output current",
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          "kind": "recommended_operating",
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          "min": -4,
          "typ": null,
          "max": null,
          "conditions": "VCCO = 1.4 V",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -8,
          "typ": null,
          "max": null,
          "conditions": "VCCO = 1.65 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -12,
          "typ": null,
          "max": null,
          "conditions": "VCCO = 2.3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -24,
          "typ": null,
          "max": null,
          "conditions": "VCCO = 3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -32,
          "typ": null,
          "max": null,
          "conditions": "VCCO = 4.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "VCCO = 1.1 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VCCO = 1.4 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "VCCO = 1.65 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 12,
          "conditions": "VCCO = 2.3 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 24,
          "conditions": "VCCO = 3 V",
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          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 32,
          "conditions": "VCCO = 4.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VI",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Output voltage, active state",
          "symbol": "VO",
          "kind": "recommended_operating",
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          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Active state; maximum printed as VCCO",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage, tri-state",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "Tri-state",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
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          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCCA supply voltage A (absolute maximum)",
          "symbol": "VCCA",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "VCCB supply voltage B (absolute maximum)",
          "symbol": "VCCB",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage, I/O ports (A port)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "I/O ports, A port",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage, I/O ports (B port)",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "I/O ports, B port",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage, control inputs",
          "symbol": "VI",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "Control inputs",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage applied to any output in high-impedance or power-off state, A port",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "A port",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage applied to any output in high-impedance or power-off state, B port",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 6.5,
          "conditions": "B port",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage applied to any output in high or low state, A port",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "A port; maximum printed as VCCA + 0.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Voltage applied to any output in high or low state, B port",
          "symbol": "VO",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "B port; maximum printed as VCCB + 0.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input clamp current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "VI < 0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output clamp current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": null,
          "conditions": "VO < 0",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous current through VCC or GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -200,
          "typ": null,
          "max": 200,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Junction temperature",
          "symbol": "Tj",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": null,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current, control input (DIR)",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 2,
          "conditions": "TA = -40°C to 125°C; VI = VCCA or GND; VCCA and VCCB = 1.1 V - 5.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current, data inputs (Ax, Bx)",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "TA = -40°C to 125°C; VI = VCCI or GND; VCCA and VCCB = 1.1 V - 5.5 V",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Partial power down current, A or B port",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "µA",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "TA = -40°C to 125°C; VI or VO = 0 V - 5.5 V; VCCA = 0 V, VCCB = 0 V - 5.5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Floating supply partial power down current, A or B port",
          "symbol": "Ioff-float",
          "kind": "electrical",
          "unit": "µA",
          "min": -2.5,
          "typ": null,
          "max": 2.5,
          "conditions": "TA = -40°C to 125°C; VI or VO = GND; VCCA floating, VCCB = 0 V - 5.5 V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 205.2,
          "max": null,
          "conditions": "DCK (SC70) 6-pin package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-case (top) thermal resistance",
          "symbol": "RθJC(top)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 132.4,
          "max": null,
          "conditions": "DCK (SC70) 6-pin package",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-board thermal resistance",
          "symbol": "RθJB",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 65.1,
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