SN74AXC4T774PWR

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  "slug": "sn74axc4t774pwr",
  "title": "SN74AXC4T774PWR",
  "brief": "Texas Instruments Translators / Level Shifters, TSSOP-16. Pinout extracted from the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "SN74AXC4T774PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic",
    "subcategory": "Translators / Level Shifters",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74axc4t774.pdf",
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      "lbr": "sn74axc4t774pwr.lbr"
    },
    "distributor_links": {
      "digikey": "296-SN74AXC4T774PWRTR-ND",
      "mouser": "595-SN74AXC4T774PWR",
      "lcsc": "C1849453"
    },
    "pins": [
      {
        "number": "1",
        "name": "DIR1",
        "type": "input",
        "description": "Direction-control input for port 1. Logic level (referenced to VCCA) selects the data flow direction for the A1/B1 channel: A→B when high, B→A when low."
      },
      {
        "number": "2",
        "name": "DIR2",
        "type": "input",
        "description": "Direction-control input for port 2. Logic level (referenced to VCCA) selects the data flow direction for the A2/B2 channel."
      },
      {
        "number": "3",
        "name": "A1",
        "type": "bidirectional",
        "description": "A-port I/O for channel 1, referenced to VCCA (0.65 V to 3.6 V). Direction is set by DIR1; disabled to Hi-Z when OE is high."
      },
      {
        "number": "4",
        "name": "A2",
        "type": "bidirectional",
        "description": "A-port I/O for channel 2, referenced to VCCA (0.65 V to 3.6 V). Direction is set by DIR2; disabled to Hi-Z when OE is high."
      },
      {
        "number": "5",
        "name": "A3",
        "type": "bidirectional",
        "description": "A-port I/O for channel 3, referenced to VCCA (0.65 V to 3.6 V). Direction is set by DIR3; disabled to Hi-Z when OE is high."
      },
      {
        "number": "6",
        "name": "A4",
        "type": "bidirectional",
        "description": "A-port I/O for channel 4, referenced to VCCA (0.65 V to 3.6 V). Direction is set by DIR4; disabled to Hi-Z when OE is high."
      },
      {
        "number": "7",
        "name": "DIR3",
        "type": "input",
        "description": "Direction-control input for port 3. Logic level (referenced to VCCA) selects the data flow direction for the A3/B3 channel."
      },
      {
        "number": "8",
        "name": "DIR4",
        "type": "input",
        "description": "Direction-control input for port 4. Logic level (referenced to VCCA) selects the data flow direction for the A4/B4 channel."
      },
      {
        "number": "9",
        "name": "OE",
        "type": "input",
        "description": "Active-low output enable, referenced to VCCA. Drive OE high to force all A- and B-port I/Os into the high-impedance (tri-state) mode; tie to VCCA through a pull-up during power sequencing to keep outputs Hi-Z."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Device ground reference for both supply rails."
      },
      {
        "number": "11",
        "name": "B4",
        "type": "bidirectional",
        "description": "B-port I/O for channel 4, referenced to VCCB (0.65 V to 3.6 V). Direction is set by DIR4; disabled to Hi-Z when OE is high."
      },
      {
        "number": "12",
        "name": "B3",
        "type": "bidirectional",
        "description": "B-port I/O for channel 3, referenced to VCCB (0.65 V to 3.6 V). Direction is set by DIR3; disabled to Hi-Z when OE is high."
      },
      {
        "number": "13",
        "name": "B2",
        "type": "bidirectional",
        "description": "B-port I/O for channel 2, referenced to VCCB (0.65 V to 3.6 V). Direction is set by DIR2; disabled to Hi-Z when OE is high."
      },
      {
        "number": "14",
        "name": "B1",
        "type": "bidirectional",
        "description": "B-port I/O for channel 1, referenced to VCCB (0.65 V to 3.6 V). Direction is set by DIR1; disabled to Hi-Z when OE is high."
      },
      {
        "number": "15",
        "name": "VCCB",
        "type": "power_in",
        "description": "B-port power supply. Sets the reference voltage for the B-side I/Os. Recommended range 0.65 V to 3.6 V; absolute max 4.2 V. Bypass with a local decoupling capacitor to GND."
      },
      {
        "number": "16",
        "name": "VCCA",
        "type": "power_in",
        "description": "A-port power supply. Sets the reference voltage for the A-side I/Os and for the DIRx / OE control inputs. Recommended range 0.65 V to 3.6 V; absolute max 4.2 V. Bypass with a local decoupling capacitor to GND."
      }
    ],
    "provenance": {
      "extractor": "ds2sf",
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74axc4t774.pdf",
        "pages": 43,
        "sha256": "f45cd62a9675b9f6",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
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      "footprint": "viewers/footprint.html"
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    "pin1": {
      "pad": "1",
      "at": [
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        -2.275
      ],
      "corner": "top-left",
      "source": "silk-marker",
      "derived_from": "TSSOP-16_4.4x5mm_P0.65mm@sha256:fbac79fc5f310754",
      "mark": "drawn"
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    "logic": {
      "family_id": "74AXC4T774",
      "logic_family": "74AXC",
      "function_code": "4T774",
      "function_class": null,
      "function_name": null,
      "manufacturer": "Texas Instruments",
      "is_specialty": false
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        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
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        "checked": "2026-10-07",
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      },
      {
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      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-16",
      "Category": "Logic",
      "Pins": "16"
    }
  },
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  "discovery_pitch": "SN74AXC4T774PWR (Texas Instruments) component page with datasheet-verified CAD.",
  "author": {
    "name": "Ray",
    "email": "[email protected]"
  },
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    },
    {
      "mpn": "SN74AXC4T774PWRBQB",
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    {
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  ],
  "updated_at": "2026-09-25T06:54:05.989Z"
}