SN74AHCT174PWR

{
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  "type": "component",
  "slug": "sn74ahct174pwr",
  "title": "SN74AHCT174PWR",
  "brief": "Texas Instruments Logic ICs, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
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    "sn74ahct174pwr",
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  "component": {
    "mpn": "SN74AHCT174PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-16",
    "pin_count": 16,
    "category": "Logic ICs",
    "subcategory": "Logic ICs",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74ahct174.pdf",
    "parts": {
      "symbol": "sn74ahct174pwr.kicad_sym",
      "footprint": "sn74ahct174pwr.kicad_mod",
      "model_3d": "sn74ahct174pwr-hero.glb",
      "model_3d_plain": "sn74ahct174pwr-etched.glb",
      "model_3d_step": "sn74ahct174pwr-etched.step",
      "model_3d_step_plain": "sn74ahct174pwr.step",
      "lbr": "sn74ahct174pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2677702",
      "digikey": "296-23236-2-ND",
      "mouser": "595-SN74AHCT174PWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:21:08Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-23236-2-ND",
        "status": "found"
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        "pn": "595-SN74AHCT174PWR",
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    },
    "pins": [
      {
        "number": "1",
        "name": "CLR",
        "type": "input",
        "description": "Active-low clear input that resets all six channels when taken low, independent of CLK and D."
      },
      {
        "number": "2",
        "name": "1Q",
        "type": "output",
        "description": "Channel 1 Q output."
      },
      {
        "number": "3",
        "name": "1D",
        "type": "input",
        "description": "Channel 1 D data input, transferred to 1Q on the rising edge of CLK."
      },
      {
        "number": "4",
        "name": "2D",
        "type": "input",
        "description": "Channel 2 D data input, transferred to 2Q on the rising edge of CLK."
      },
      {
        "number": "5",
        "name": "2Q",
        "type": "output",
        "description": "Channel 2 Q output."
      },
      {
        "number": "6",
        "name": "3D",
        "type": "input",
        "description": "Channel 3 D data input, transferred to 3Q on the rising edge of CLK."
      },
      {
        "number": "7",
        "name": "3Q",
        "type": "output",
        "description": "Channel 3 Q output."
      },
      {
        "number": "8",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "9",
        "name": "CLK",
        "type": "input",
        "description": "Common clock for all channels; the flip-flops are triggered on the rising edge."
      },
      {
        "number": "10",
        "name": "4Q",
        "type": "output",
        "description": "Channel 4 Q output."
      },
      {
        "number": "11",
        "name": "4D",
        "type": "input",
        "description": "Channel 4 D data input, transferred to 4Q on the rising edge of CLK."
      },
      {
        "number": "12",
        "name": "5Q",
        "type": "output",
        "description": "Channel 5 Q output."
      },
      {
        "number": "13",
        "name": "5D",
        "type": "input",
        "description": "Channel 5 D data input, transferred to 5Q on the rising edge of CLK."
      },
      {
        "number": "14",
        "name": "6D",
        "type": "input",
        "description": "Channel 6 D data input, transferred to 6Q on the rising edge of CLK."
      },
      {
        "number": "15",
        "name": "6Q",
        "type": "output",
        "description": "Channel 6 Q output."
      },
      {
        "number": "16",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply pin for the device."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
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        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: Pin numbers, names and I/O directions are taken from the Table 4-1 pin function table and Figure 4-1; The datasheet gives no per-pin electrical limits for GND or VCC on page 3. The supply range (4.5 V t; Pin descriptions are limited to the one-line functions in Table 4-1. The datasheet gives no per-pin "
        ],
        "pages_sent": 28,
        "cost_usd": 0.0754,
        "at": "2026-10-18T05:17:59"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74ahct174.pdf",
        "pages": 28,
        "sha256": "544ad23731011800",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 16,
        "described": 16,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
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      "footprint": "viewers/footprint.html"
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        "extents_mm": [
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  "metadata": {
    "specs": {
      "Manufacturer": "Texas Instruments",
      "Package": "TSSOP-16",
      "Category": "Logic ICs",
      "Pins": "16"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "544ad23731011800348d08a0d5a010a6f41e89ba635af1d1f6bd596deedcdb3f",
      "rows": [
        {
          "name": "Supply voltage range",
          "symbol": "VCC",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": 7,
          "conditions": "",
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        },
        {
          "name": "Input voltage range",
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        {
          "name": "Output voltage range",
          "symbol": "VO",
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          "unit": "V",
          "min": -0.5,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VCC + 0.5 V",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input clamp current",
          "symbol": "IIK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": null,
          "conditions": "VI < 0",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Output clamp current",
          "symbol": "IOK",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -20,
          "typ": null,
          "max": 20,
          "conditions": "VO < 0 or VO > VCC",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Continuous output current",
          "symbol": "IO",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -25,
          "typ": null,
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          "conditions": "VO = 0 to VCC",
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        {
          "name": "Continuous current through VCC or GND",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "mA",
          "min": -50,
          "typ": null,
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          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Storage temperature range",
          "symbol": "Tstg",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "Supply voltage",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 4.5,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
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        {
          "name": "High-level input voltage",
          "symbol": "VIH",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Low-level input voltage",
          "symbol": "VIL",
          "kind": "recommended_operating",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Input voltage",
          "symbol": "VI",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": 5.5,
          "conditions": "",
          "source_page": 4,
          "source": "datasheet"
        },
        {
          "name": "Output voltage",
          "symbol": "VO",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Maximum printed as VCC",
          "source_page": 4,
          "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": "",
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          "source": "datasheet"
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        {
          "name": "Low-level output current",
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          "kind": "recommended_operating",
          "unit": "mA",
          "min": null,
          "typ": null,
          "max": 8,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "Input transition rise or fall time",
          "symbol": "Δt/Δv",
          "kind": "recommended_operating",
          "unit": "ns/V",
          "min": null,
          "typ": null,
          "max": 20,
          "conditions": "",
          "source_page": 4,
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        },
        {
          "name": "Operating free-air temperature",
          "symbol": "TA",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
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          "source": "datasheet"
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        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 4.4,
          "typ": 4.5,
          "max": null,
          "conditions": "IOH = -50 μA, VCC = 4.5 V; min over recommended operating free-air temperature range; typ at TA = 25 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "High-level output voltage",
          "symbol": "VOH",
          "kind": "electrical",
          "unit": "V",
          "min": 3.8,
          "typ": null,
          "max": null,
          "conditions": "IOH = -8 mA, VCC = 4.5 V; min over recommended operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.1,
          "conditions": "IOL = 50 μA, VCC = 4.5 V; max over recommended operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Low-level output voltage",
          "symbol": "VOL",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.44,
          "conditions": "IOL = 8 mA, VCC = 4.5 V; max over recommended operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input current",
          "symbol": "II",
          "kind": "electrical",
          "unit": "μA",
          "min": -1,
          "typ": 0.1,
          "max": 1,
          "conditions": "VI = 5.5 V or GND, VCC = 0 V to 5.5 V; min/max over recommended operating free-air temperature range; typ at TA = 25 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Supply current",
          "symbol": "ICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 4,
          "max": 40,
          "conditions": "VI = VCC or GND, IO = 0, VCC = 5.5 V; max over recommended operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Change in supply current per input",
          "symbol": "ΔICC",
          "kind": "electrical",
          "unit": "μA",
          "min": null,
          "typ": 1.35,
          "max": 1.5,
          "conditions": "One input at 3.4 V, other inputs at VCC or GND, VCC = 5.5 V; max over recommended operating free-air temperature range",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Input capacitance",
          "symbol": "Ci",
          "kind": "electrical",
          "unit": "pF",
          "min": null,
          "typ": 2,
          "max": 10,
          "conditions": "VI = VCC or GND, VCC = 5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiet output, maximum dynamic VOL",
          "symbol": "VOL(P)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC = 5 V, CL = 50 pF, TA = 25 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiet output, minimum dynamic VOL",
          "symbol": "VOL(V)",
          "kind": "electrical",
          "unit": "V",
          "min": -0.8,
          "typ": null,
          "max": null,
          "conditions": "VCC = 5 V, CL = 50 pF, TA = 25 °C",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Quiet output, minimum dynamic VOH",
          "symbol": "VOH(V)",
          "kind": "electrical",
          "unit": "V",
          "min": 4,
          "typ": null,
          "max": null,
          "conditions": "VCC = 5 V, CL = 50 pF, TA = 25 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "High-level dynamic input voltage",
          "symbol": "VIH(D)",
          "kind": "electrical",
          "unit": "V",
          "min": 2,
          "typ": null,
          "max": null,
          "conditions": "VCC = 5 V, CL = 50 pF, TA = 25 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Low-level dynamic input voltage",
          "symbol": "VIL(D)",
          "kind": "electrical",
          "unit": "V",
          "min": null,
          "typ": null,
          "max": 0.8,
          "conditions": "VCC = 5 V, CL = 50 pF, TA = 25 °C",
          "source_page": 6,
          "source": "datasheet"
        },
        {
          "name": "Pulse duration, CLR low",
          "symbol": "tw",
          "kind": "timing",
          "unit": "ns",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "Over recommended operating free-air temperature range; VCC = 5 V ± 0.5 V; CLR low",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Pulse duration, CLK high or low",
          "symbol": "tw",
          "kind": "timing",
          "unit": "ns",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "Over recommended operating free-air temperature range; VCC = 5 V ± 0.5 V; CLK high or low",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Setup time before CLK↑, data",
          "symbol": "tsu",
          "kind": "timing",
          "unit": "ns",
          "min": 5,
          "typ": null,
          "max": null,
          "conditions": "Over recommended operating free-air temperature range; VCC = 5 V ± 0.5 V; data",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Setup time before CLK↑, CLR inactive",
          "symbol": "tsu",
          "kind": "timing",
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          "min": 3.5,
          "typ": null,
          "max": null,
          "conditions": "Over recommended operating free-air temperature range; VCC = 5 V ± 0.5 V; CLR inactive",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Hold time, data after CLK↑",
          "symbol": "th",
          "kind": "timing",
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          "min": 0,
          "typ": null,
          "max": null,
          "conditions": "Over recommended operating free-air temperature range; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum clock frequency",
          "symbol": "fmax",
          "kind": "timing",
          "unit": "MHz",
          "min": 80,
          "typ": 135,
          "max": null,
          "conditions": "CL = 15 pF; min over recommended operating free-air temperature range; typ at TA = 25 °C; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Maximum clock frequency",
          "symbol": "fmax",
          "kind": "timing",
          "unit": "MHz",
          "min": 65,
          "typ": 115,
          "max": null,
          "conditions": "CL = 50 pF; min over recommended operating free-air temperature range; typ at TA = 25 °C; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay CLR to any Q, high-to-low",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 10.4,
          "max": 13,
          "conditions": "CL = 15 pF; min/max over recommended operating free-air temperature range; typ at TA = 25 °C; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay CLK to any Q, low-to-high",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 7.8,
          "max": 9,
          "conditions": "CL = 15 pF; min/max over recommended operating free-air temperature range; typ at TA = 25 °C; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay CLK to any Q, high-to-low",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 7.8,
          "max": 9,
          "conditions": "CL = 15 pF; min/max over recommended operating free-air temperature range; typ at TA = 25 °C; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay CLR to any Q, high-to-low",
          "symbol": "tPHL",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 11.4,
          "max": 13,
          "conditions": "CL = 50 pF; min/max over recommended operating free-air temperature range; typ at TA = 25 °C; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay CLK to any Q, low-to-high",
          "symbol": "tPLH",
          "kind": "timing",
          "unit": "ns",
          "min": 1,
          "typ": 8.8,
          "max": 10,
          "conditions": "CL = 50 pF; min/max over recommended operating free-air temperature range; typ at TA = 25 °C; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Propagation delay CLK to any Q, high-to-low",
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          "unit": "ns",
          "min": 1,
          "typ": 8.8,
          "max": 10,
          "conditions": "CL = 50 pF; min/max over recommended operating free-air temperature range; typ at TA = 25 °C; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Output skew",
          "symbol": "tsk(o)",
          "kind": "timing",
          "unit": "ns",
          "min": null,
          "typ": null,
          "max": 1,
          "conditions": "CL = 50 pF; VCC = 5 V ± 0.5 V",
          "source_page": 5,
          "source": "datasheet"
        },
        {
          "name": "Junction-to-ambient thermal resistance",
          "symbol": "RθJA",
          "kind": "thermal",
          "unit": "°C/W",
          "min": null,
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