SN74ABT541BDWR

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  "slug": "sn74abt541bdwr",
  "title": "SN74ABT541BDWR",
  "brief": "Texas Instruments Buffer/Driver/Transceiver, SOIC-20-300mil. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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    "mpn": "SN74ABT541BDWR",
    "manufacturer": "Texas Instruments",
    "package": "SOIC-20-300mil",
    "pin_count": 20,
    "category": "Logic ICs",
    "subcategory": "Buffer/Driver/Transceiver",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74abt541bdwr.pdf",
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    "distributor_links": {
      "lcsc": "C2655479",
      "digikey": "296-14668-2-ND",
      "mouser": "595-SN74ABT541BDWR"
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    "pins": [
      {
        "number": "1",
        "name": "OE1",
        "type": "input",
        "description": "Output-enable input 1, active low; if either OE1 or OE2 is high all eight outputs are in the high-impedance state."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Data input 1 of the octal buffer, drives output Y1."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Data input 2 of the octal buffer, drives output Y2."
      },
      {
        "number": "4",
        "name": "A3",
        "type": "input",
        "description": "Data input 3 of the octal buffer, drives output Y3."
      },
      {
        "number": "5",
        "name": "A4",
        "type": "input",
        "description": "Data input 4 of the octal buffer, drives output Y4."
      },
      {
        "number": "6",
        "name": "A5",
        "type": "input",
        "description": "Data input 5 of the octal buffer, drives output Y5."
      },
      {
        "number": "7",
        "name": "A6",
        "type": "input",
        "description": "Data input 6 of the octal buffer, drives output Y6."
      },
      {
        "number": "8",
        "name": "A7",
        "type": "input",
        "description": "Data input 7 of the octal buffer, drives output Y7."
      },
      {
        "number": "9",
        "name": "A8",
        "type": "input",
        "description": "Data input 8 of the octal buffer, drives output Y8."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground pin."
      },
      {
        "number": "11",
        "name": "Y8",
        "type": "tri_state",
        "description": "3-state high-drive output 8 (-32 mA IOH, 64 mA IOL), follows A8 when enabled."
      },
      {
        "number": "12",
        "name": "Y7",
        "type": "tri_state",
        "description": "3-state high-drive output 7 (-32 mA IOH, 64 mA IOL), follows A7 when enabled."
      },
      {
        "number": "13",
        "name": "Y6",
        "type": "tri_state",
        "description": "3-state high-drive output 6 (-32 mA IOH, 64 mA IOL), follows A6 when enabled."
      },
      {
        "number": "14",
        "name": "Y5",
        "type": "tri_state",
        "description": "3-state high-drive output 5 (-32 mA IOH, 64 mA IOL), follows A5 when enabled."
      },
      {
        "number": "15",
        "name": "Y4",
        "type": "tri_state",
        "description": "3-state high-drive output 4 (-32 mA IOH, 64 mA IOL), follows A4 when enabled."
      },
      {
        "number": "16",
        "name": "Y3",
        "type": "tri_state",
        "description": "3-state high-drive output 3 (-32 mA IOH, 64 mA IOL), follows A3 when enabled."
      },
      {
        "number": "17",
        "name": "Y2",
        "type": "tri_state",
        "description": "3-state high-drive output 2 (-32 mA IOH, 64 mA IOL), follows A2 when enabled."
      },
      {
        "number": "18",
        "name": "Y1",
        "type": "tri_state",
        "description": "3-state high-drive output 1 (-32 mA IOH, 64 mA IOL), follows A1 when enabled."
      },
      {
        "number": "19",
        "name": "OE2",
        "type": "input",
        "description": "Output-enable input 2, active low; if either OE1 or OE2 is high all eight outputs are in the high-impedance state."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage, 4.5 V to 5.5 V recommended operating range."
      }
    ],
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        "at": "2026-10-23T06:31:21"
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "SOIC-20-300mil",
      "Category": "Logic ICs",
      "Pins": "20"
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    "characteristics": {
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          "name": "Supply voltage",
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        {
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          "unit": "°C",
          "min": -40,
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          "min": -0.5,
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          "name": "Current into any output in the low state",
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          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 128,
          "conditions": "SN74ABT541B",
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        {
          "name": "Input clamp current",
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          "unit": "mA",
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          "name": "Storage temperature range",
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          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 3,
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        {
          "name": "Package thermal impedance",
          "symbol": "θJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
          "typ": null,
          "max": 97,
          "conditions": "DW package",
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          "name": "Input clamp voltage",
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          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": -1.2,
          "conditions": "VCC = 4.5 V, II = –18 mA",
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        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2.5,
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          "conditions": "VCC = 4.5 V, IOH = –3 mA",
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        {
          "name": "High-level output voltage",
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          "max": null,
          "conditions": "VCC = 5 V, IOH = –3 mA",
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        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCC = 4.5 V, IOH = –32 mA",
          "source_page": 4,
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        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
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          "max": 0.55,
          "conditions": "VCC = 4.5 V, IOL = 64 mA",
          "source_page": 4,
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          "name": "Input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "µA",
          "min": -1,
          "typ": null,
          "max": 1,
          "conditions": "VCC = 5.5 V, VI = VCC or GND",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Power-up off-state output current",
          "symbol": "IOZPU",
          "kind": "electrical",
          "unit": "µA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X",
          "source_page": 4,
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        {
          "name": "Power-down off-state output current",
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          "kind": "electrical",
          "unit": "µA",
          "min": -50,
          "typ": null,
          "max": 50,
          "conditions": "VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X",
          "source_page": 4,
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        {
          "name": "Off-state output current, high",
          "symbol": "IOZH",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 10,
          "conditions": "VCC = 5.5 V, VO = 2.7 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Off-state output current, low",
          "symbol": "IOZL",
          "kind": "electrical",
          "unit": "µA",
          "min": -10,
          "typ": null,
          "max": null,
          "conditions": "VCC = 5.5 V, VO = 0.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Power-off leakage current",
          "symbol": "Ioff",
          "kind": "electrical",
          "unit": "µA",
          "min": -100,
          "typ": null,
          "max": 100,
          "conditions": "VCC = 0 V, VI or VO ≤ 4.5 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Output high leakage current",
          "symbol": "ICEX",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": null,
          "max": 50,
          "conditions": "VCC = 5.5 V, VO = 5.5 V, Outputs high",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Output current",
          "symbol": "IO",
          "kind": "electrical",
          "unit": "mA",
          "min": -180,
          "typ": null,
          "max": -50,
          "conditions": "VCC = 5.5 V, VO = 2.5 V",
          "source_page": 4,
          "source": "datasheet"
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          "name": "Supply current, outputs high",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 5,
          "max": 250,
          "conditions": "VCC = 5.5 V, IO = 0, VI = VCC or GND, Outputs high",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Supply current, outputs low",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "mA",
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          "typ": 22,
          "max": 30,
          "conditions": "VCC = 5.5 V, IO = 0, VI = VCC or GND, Outputs low",
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        {
          "name": "Supply current, outputs disabled",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "µA",
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          "typ": 1,
          "max": 250,
          "conditions": "VCC = 5.5 V, IO = 0, VI = VCC or GND, Outputs disabled",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Supply current change, outputs enabled",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "VCC = 5.5 V, One input at 3.4 V, other inputs at VCC or GND, Outputs enabled",
          "source_page": 4,
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          "name": "Supply current change, outputs disabled",
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          "unit": "µA",
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          "conditions": "VCC = 5.5 V, One input at 3.4 V, other inputs at VCC or GND, Outputs disabled",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Supply current change, control inputs",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 1.5,
          "conditions": "VCC = 5.5 V, One input at 3.4 V, other inputs at VCC or GND, Control Inputs",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay A to Y (low-to-high)",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 2,
          "max": 3.9,
          "conditions": "VCC = 5 V, CL = 50 pF; typ at TA = 25°C; min/max over range",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Propagation delay A to Y (high-to-low)",
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          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 2.6,
          "max": 3.9,
          "conditions": "VCC = 5 V, CL = 50 pF; typ at TA = 25°C; min/max over range",
          "source_page": 5,
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          "name": "Output enable time to high, OE to Y",
          "symbol": "tPZH",
          "kind": "timing",
          "unit": "ns",
          "min": 2,
          "typ": 3.5,
          "max": 4,
          "conditions": "VCC = 5 V, CL = 50 pF",
          "source_page": 5,
          "source": "datasheet"
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          "name": "Output enable time to low, OE to Y",
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          "kind": "timing",
          "unit": "ns",
          "min": 1.9,
          "typ": 4,
          "max": 5.9,
          "conditions": "VCC = 5 V, CL = 50 pF",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Output disable time from high, OE to Y",
          "symbol": "tPHZ",
          "kind": "timing",
          "unit": "ns",
          "min": 2.2,
          "typ": 4.4,
          "max": 5.8,
          "conditions": "VCC = 5 V, CL = 50 pF",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Output disable time from low, OE to Y",
          "symbol": "tPLZ",
          "kind": "timing",
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          "typ": 3,
          "max": 4.4,
          "conditions": "VCC = 5 V, CL = 50 pF",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output skew",
          "symbol": "tsk(o)",
          "kind": "timing",
          "unit": "ns",
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          "typ": null,
          "max": 0.5,
          "conditions": "Skew between any two outputs of the same package switching in the same direction",
          "source_page": 5,
          "source": "datasheet"
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        {
          "name": "Input capacitance",
          "symbol": "Ci",
          "kind": "electrical",
          "unit": "pF",
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          "max": null,
          "conditions": "VI = 2.5 V or 0.5 V",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Output capacitance",
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          "kind": "electrical",
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