main
Ray Set visibility: public 9d23ce6 4h ago
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{
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  "type": "component",
  "slug": "caxc4t245qbqbrq1",
  "title": "CAXC4T245QBQBRQ1",
  "brief": "Texas Instruments Translators, Level Shifters, DHVQFN-16-EP(2.5x3.5). 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",
    "caxc4t245qbqbrq1",
    "factory-2.0.0",
    "extractor-text"
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  "component": {
    "mpn": "CAXC4T245QBQBRQ1",
    "manufacturer": "Texas Instruments",
    "package": "DHVQFN-16-EP(2.5x3.5)",
    "pin_count": 17,
    "category": "Logic",
    "subcategory": "Translators, Level Shifters",
    "datasheet": "https://www.ti.com/cn/lit/gpn/sn74axc4t245-q1",
    "parts": {
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      "lbr": "caxc4t245qbqbrq1.lbr"
    },
    "distributor_links": {
      "lcsc": "C2866488",
      "digikey": "296-CAXC4T245QBQBRQ1TR-ND",
      "mouser": "595-CAXC4T245QBQBRQ1"
    },
    "distributor_check": {
      "checked_at": "2026-11-06T00:02:51Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-CAXC4T245QBQBRQ1TR-ND",
        "status": "found"
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      "mouser": {
        "pn": "595-CAXC4T245QBQBRQ1",
        "status": "found"
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    },
    "pins": [
      {
        "number": "1",
        "name": "VCCA",
        "type": "power_in",
        "description": "A-port supply voltage, specified for 0.65V ≤ VCCA ≤ 3.6V; the A port tracks VCCA and the control pins are referenced to it."
      },
      {
        "number": "2",
        "name": "1DIR",
        "type": "input",
        "description": "Direction control input for port 1, referenced to VCCA; high sends data from A to B and low sends data from B to A when OE is low."
      },
      {
        "number": "3",
        "name": "2DIR",
        "type": "input",
        "description": "Direction control input for port 2, referenced to VCCA; high sends data from A to B and low sends data from B to A when OE is low."
      },
      {
        "number": "4",
        "name": "1A1",
        "type": "bidirectional",
        "description": "Input/output 1A1 referenced to VCCA, operating over a 0.65V to 3.6V I/O range."
      },
      {
        "number": "5",
        "name": "1A2",
        "type": "bidirectional",
        "description": "Input/output 1A2 referenced to VCCA, operating over a 0.65V to 3.6V I/O range."
      },
      {
        "number": "6",
        "name": "2A1",
        "type": "bidirectional",
        "description": "Input/output 2A1 referenced to VCCA, operating over a 0.65V to 3.6V I/O range."
      },
      {
        "number": "7",
        "name": "2A2",
        "type": "bidirectional",
        "description": "Input/output 2A2 referenced to VCCA, operating over a 0.65V to 3.6V I/O range."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; the datasheet directs that the GND pins be grounded first."
      },
      {
        "number": "9",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference; the datasheet directs that the GND pins be grounded first."
      },
      {
        "number": "10",
        "name": "2B2",
        "type": "bidirectional",
        "description": "Input/output 2B2 referenced to VCCB, operating over a 0.65V to 3.6V I/O range."
      },
      {
        "number": "11",
        "name": "2B1",
        "type": "bidirectional",
        "description": "Input/output 2B1 referenced to VCCB, operating over a 0.65V to 3.6V I/O range."
      },
      {
        "number": "12",
        "name": "1B2",
        "type": "bidirectional",
        "description": "Input/output 1B2 referenced to VCCB, operating over a 0.65V to 3.6V I/O range."
      },
      {
        "number": "13",
        "name": "1B1",
        "type": "bidirectional",
        "description": "Input/output 1B1 referenced to VCCB, operating over a 0.65V to 3.6V I/O range."
      },
      {
        "number": "14",
        "name": "2OE",
        "type": "input",
        "description": "Three-state output enable for port 2, referenced to VCCA; driving it high places the port 2 outputs in the high-impedance state."
      },
      {
        "number": "15",
        "name": "1OE",
        "type": "input",
        "description": "Three-state output enable for port 1, referenced to VCCA; driving it high places the port 1 outputs in the high-impedance state."
      },
      {
        "number": "16",
        "name": "VCCB",
        "type": "power_in",
        "description": "B-port supply voltage, specified for 0.65V ≤ VCCB ≤ 3.6V; the B port tracks VCCB."
      },
      {
        "number": "17",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
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        "primary_model": "claude-haiku-5-5",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The package hint DHVQFN-16-EP(2.5x3.5) does not appear in this datasheet. The MPN CAXC4T245QBQBRQ1 m; Figure 4-2 shows a thermal pad on the BQB package, but the datasheet does not assign it a pin number"
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        "pages_sent": 20,
        "cost_usd": 0.0282,
        "at": "2026-11-06T00:02:39"
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      "datasheet": {
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        "pages": 47,
        "sha256": "0e7f7be3b40cdc9a",
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 17,
        "described": 17,
        "cites_pages": true,
        "refuses_to_fabricate": true
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        "sha256": "c92b0a88ac2373f6551d042597a998ed853d012c08207b981be938ce42268159",
        "checked": "2026-11-06",
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "DHVQFN-16-EP(2.5x3.5)",
      "Category": "Logic",
      "Pins": "17"
    },
    "characteristics": {
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      "source": "datasheet",
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          "conditions": "VI = VIH; IOH = -50µA; VCCA = VCCB = 0.65V",
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          "name": "High-level output voltage",
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          "name": "High-level output voltage",
          "symbol": "VOH",
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          "conditions": "VI = VIH; IOH = -3mA; VCCA = VCCB = 1.1V",
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          "name": "High-level output voltage",
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        {
          "name": "Low-level output voltage",
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          "source": "datasheet"
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          "name": "Low-level output voltage",
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        {
          "name": "Low-level output voltage",
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        {
          "name": "Low-level output voltage",
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          "conditions": "VI = VIL; IOL = 12mA; VCCA = VCCB = 3V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Input leakage current, control inputs (xDIR, xOE)",
          "symbol": "II",
          "kind": "electrical",
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          "max": 1,
          "conditions": "VI = VCCA or GND; VCCA = VCCB = 0.65V to 3.6V; TA -40°C to 125°C",
          "source_page": 7,
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          "name": "Input leakage current, data inputs (xAx, xBx)",
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          "min": -8,
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          "conditions": "VI = VCCI or GND; VCCA = VCCB = 0.65V to 3.6V; TA -40°C to 125°C",
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        {
          "name": "Partial power-down current, A or B port",
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          "conditions": "VI or VO = 0V; VCCA or VCCB = 0V to 3.6V; TA -40°C to 125°C",
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          "source": "datasheet"
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        {
          "name": "Three-state output current, A or B port",
          "symbol": "IOZ",
          "kind": "electrical",
          "unit": "µA",
          "min": -8,
          "typ": null,
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          "conditions": "VI = VCCI or GND; VO = VCCO or GND; OE = VIH; VCCA = VCCB = 3.6V; TA -40°C to 125°C",
          "source_page": 7,
          "source": "datasheet"
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        {
          "name": "VCCA supply current",
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          "min": null,
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          "max": 26,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA = VCCB = 0.65V to 3.6V",
          "source_page": 7,
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          "name": "VCCB supply current",
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          "min": null,
          "typ": null,
          "max": 26,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA = VCCB = 0.65V to 3.6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Combined supply current ICCA + ICCB",
          "symbol": "ICCA + ICCB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 40,
          "conditions": "VI = VCCI or GND; IO = 0; VCCA = VCCB = 0.65V to 3.6V",
          "source_page": 7,
          "source": "datasheet"
        },
        {
          "name": "Operating free-air temperature range",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 125,
          "conditions": "Operating temperature range",
          "source_page": 1,
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        },
        {
          "name": "Junction-to-case (bottom) thermal resistance, BQB (WQFN) package",
          "symbol": "RθJC(bottom)",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": 10.2,
          "max": null,
          "conditions": "BQB (WQFN) package, 16 pins",
          "source_page": 6,
          "source": "datasheet"
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  "discovery_triggers": [
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  "discovery_pitch": "CAXC4T245QBQBRQ1 (Texas Instruments) component page: datasheet pinout, KiCad symbol, footprint and 3D.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
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