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Ray Set visibility: public b08d2c9 6d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "sn74lxc1t45dckr",
  "title": "SN74LXC1T45DCKR",
  "brief": "TI(德州仪器) 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": [
    "component",
    "logic",
    "sn74lxc1t45dckr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "SN74LXC1T45DCKR",
    "manufacturer": "TI(德州仪器)",
    "package": "SC-70-6",
    "pin_count": 6,
    "category": "Logic",
    "subcategory": "Translators, Level Shifters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74lxc1t45",
    "parts": {
      "symbol": "sn74lxc1t45dckr.kicad_sym",
      "footprint": "sn74lxc1t45dckr.kicad_mod",
      "model_3d": "sn74lxc1t45dckr-hero.glb",
      "model_3d_plain": "sn74lxc1t45dckr-etched.glb",
      "model_3d_step": "sn74lxc1t45dckr-etched.step",
      "model_3d_step_plain": "sn74lxc1t45dckr.step",
      "lbr": "sn74lxc1t45dckr.lbr"
    },
    "distributor_links": {
      "lcsc": "C5217888",
      "digikey": "296-SN74LXC1T45DCKRTR-ND",
      "mouser": "595-SN74LXC1T45DCKR"
    },
    "distributor_check": {
      "checked_at": "2026-10-17T07:14:14Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-SN74LXC1T45DCKRTR-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74LXC1T45DCKR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "VCCA",
        "type": "power_in",
        "description": "A port supply voltage, specified at 1.1V ≤ VCCA ≤ 5.5V."
      },
      {
        "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; accepts I/O voltages from 1.1V to 5.5V."
      },
      {
        "number": "4",
        "name": "B",
        "type": "bidirectional",
        "description": "Input or output B, referenced to VCCB; accepts I/O voltages from 1.1V to 5.5V."
      },
      {
        "number": "5",
        "name": "DIR",
        "type": "input",
        "description": "Direction control for all ports, referenced to VCCA; high enables A-to-B transfer and low enables B-to-A transfer."
      },
      {
        "number": "6",
        "name": "VCCB",
        "type": "power_in",
        "description": "B port supply voltage, specified at 1.1V ≤ VCCB ≤ 5.5V."
      }
    ],
    "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: Pin numbers and functions are taken from Table 5-1, which is a shared pin-function table for DBV, DC"
        ],
        "pages_sent": 21,
        "cost_usd": 0.0803,
        "at": "2026-10-17T07:12:30"
      },
      "datasheet": {
        "url": "https://www.ti.com/cn/lit/gpn/sn74lxc1t45",
        "pages": 41,
        "sha256": "4f3217682a5fa078",
        "source_tier": "lcsc"
      },
      "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": "sn74lxc1t45dckr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "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": "sn74lxc1t45dckr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          2.1,
          2,
          1.1
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "b90fd89a9af37fa8d26ac2cefc3edc9d83717dc4bc95f72a4ba0cf3569a1046a",
        "checked": "2026-10-17",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "TI(德州仪器)",
      "Package": "SC-70-6",
      "Category": "Logic",
      "Pins": "6"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "4f3217682a5fa078c5af69c0f939f58a8323012646db708515a5bb05bfabfac3",
      "rows": [
        {
          "name": "VCCA supply voltage (A port)",
          "symbol": "VCCA",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "VCCB supply voltage (B port)",
          "symbol": "VCCB",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 1.1,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -0.1,
          "typ": null,
          "max": null,
          "conditions": "VCCO = 1.1V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -4,
          "typ": null,
          "max": null,
          "conditions": "VCCO = 1.4V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output current",
          "symbol": "IOH",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": -8,
          "typ": null,
          "max": null,
          "conditions": "VCCO = 1.65V",
          "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 = 2.3V",
          "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 = 3V",
          "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 = 4.5V",
          "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 = 1.1V",
          "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 = 1.4V",
          "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 = 1.65V",
          "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 = 2.3V",
          "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 = 3V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output current",
          "symbol": "IOL",
          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 32,
          "conditions": "VCCO = 4.5V",
          "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"
        },
        {
          "name": "Output voltage, active state",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Active state; upper limit printed as VCCO",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output voltage, three-state",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "Three-state",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature (natural ventilation)",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Natural ventilation",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1,
          "typ": null,
          "max": null,
          "conditions": "IOH = -4mA; VCCA = VCCB = 1.4V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.2,
          "typ": null,
          "max": null,
          "conditions": "IOH = -8mA; VCCA = VCCB = 1.65V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 1.9,
          "typ": null,
          "max": null,
          "conditions": "IOH = -12mA; VCCA = VCCB = 2.3V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.4,
          "typ": null,
          "max": null,
          "conditions": "IOH = -24mA; VCCA = VCCB = 3V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": null,
          "conditions": "IOH = -32mA; VCCA = VCCB = 4.5V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "IOL = 100µA; VCCA, VCCB 1.1V to 5.5V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.3,
          "conditions": "IOL = 4mA; VCCA = VCCB = 1.4V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.45,
          "conditions": "IOL = 8mA; VCCA = VCCB = 1.65V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.55,
          "conditions": "IOL = 24mA; VCCA = VCCB = 3V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current, control input (DIR)",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -0.1,
          "typ": null,
          "max": 2,
          "conditions": "VI = VCCA or GND; VCCA, VCCB 1.1V to 5.5V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current, data inputs (Ax, Bx)",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -2,
          "typ": null,
          "max": 2,
          "conditions": "VI = VCCI or GND; VCCA, VCCB 1.1V to 5.5V; -40°C to 125°C column",
          "source_page": 7,
          "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": "VI or VO = 0V to 5.5V; VCCA = 0V, VCCB = 0V to 5.5V; -40°C to 125°C column",
          "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": "VI or VO = GND; VCCA floating, VCCB = 0V to 5.5V; -40°C to 125°C column",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "VCCA supply current",
          "symbol": "ICCA",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA, VCCB 1.1V to 5.5V; -40°C to 125°C column",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VCCA supply current",
          "symbol": "ICCA",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA = 0V, VCCB = 5.5V; -40°C to 125°C column",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VCCA supply current",
          "symbol": "ICCA",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA = 5.5V, VCCB = 0V; -40°C to 125°C column",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VCCB supply current",
          "symbol": "ICCB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 4,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA, VCCB 1.1V to 5.5V; -40°C to 125°C column",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VCCB supply current",
          "symbol": "ICCB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 2,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA = 0V, VCCB = 5.5V; -40°C to 125°C column",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "VCCB supply current",
          "symbol": "ICCB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": -1,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA = 5.5V, VCCB = 0V; -40°C to 125°C column",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Combined supply current (ICCA + ICCB)",
          "symbol": "ICCA + ICCB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA, VCCB 1.1V to 5.5V; -40°C to 125°C column",
          "source_page": 8,
          "source": "datasheet"
        },
        {
          "name": "Additional VCCA supply current per input, control input (DIR)",
          "symbol": "ΔICCA",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 75,
          "conditions": "DIR: VI = VCCA – 0.6V; A port = VCCA or GND; B port open; VCCA 3.0V to 5.5V",
          "source_page": 8,
          "source": "datasheet"
        },
        {
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