main
Ray Publish 0.1.0 ae8ff55 6d ago
{
  "slug": "sn74lv374atpwr",
  "version": "0.1.0",
  "type": "component",
  "description": "Texas Instruments Flip Flops, TSSOP-20. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "logic",
    "sn74lv374atpwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74lv374atpwr.kicad_sym",
    "sn74lv374atpwr.kicad_mod",
    "sn74lv374atpwr.glb",
    "sn74lv374atpwr.step",
    "sn74lv374atpwr.lbr",
    "docs/hero.png",
    "docs/sn74lv374atpwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74lv374atpwr-hero.glb",
    "sn74lv374atpwr-hero.overlay.json",
    "sn74lv374atpwr-etched.glb"
  ],
  "component": {
    "mpn": "SN74LV374ATPWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74lv374at.pdf",
    "parts": {
      "symbol": "sn74lv374atpwr.kicad_sym",
      "footprint": "sn74lv374atpwr.kicad_mod",
      "model_3d": "sn74lv374atpwr-hero.glb",
      "model_3d_plain": "sn74lv374atpwr-etched.glb",
      "model_3d_step": "sn74lv374atpwr-etched.step",
      "model_3d_step_plain": "sn74lv374atpwr.step",
      "lbr": "sn74lv374atpwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2870551",
      "digikey": "296-21046-2-ND",
      "mouser": "595-SN74LV374ATPWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-18T05:53:46Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-21046-2-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "595-SN74LV374ATPWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Buffered active-low output enable: when high, all eight Q outputs are forced to the high-impedance state, and OE should be tied to VCC through a pullup resistor to keep the outputs high-impedance during power up or power down."
      },
      {
        "number": "2",
        "name": "1Q",
        "type": "tri_state",
        "description": "3-state output of flip-flop 1 that takes the level of 1D on the positive CLK transition, with recommended IOH of -16 mA and IOL of 16 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "3",
        "name": "1D",
        "type": "input",
        "description": "Data input of flip-flop 1 that is latched on the positive transition of CLK and is TTL-voltage compatible."
      },
      {
        "number": "4",
        "name": "2D",
        "type": "input",
        "description": "Data input of flip-flop 2 that is latched on the positive transition of CLK and is TTL-voltage compatible."
      },
      {
        "number": "5",
        "name": "2Q",
        "type": "tri_state",
        "description": "3-state output of flip-flop 2 that takes the level of 2D on the positive CLK transition, with recommended IOH of -16 mA and IOL of 16 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "6",
        "name": "3Q",
        "type": "tri_state",
        "description": "3-state output of flip-flop 3 that takes the level of 3D on the positive CLK transition, with recommended IOH of -16 mA and IOL of 16 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "7",
        "name": "3D",
        "type": "input",
        "description": "Data input of flip-flop 3 that is latched on the positive transition of CLK and is TTL-voltage compatible."
      },
      {
        "number": "8",
        "name": "4D",
        "type": "input",
        "description": "Data input of flip-flop 4 that is latched on the positive transition of CLK and is TTL-voltage compatible."
      },
      {
        "number": "9",
        "name": "4Q",
        "type": "tri_state",
        "description": "3-state output of flip-flop 4 that takes the level of 4D on the positive CLK transition, with recommended IOH of -16 mA and IOL of 16 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference pin for the device."
      },
      {
        "number": "11",
        "name": "CLK",
        "type": "input",
        "description": "Clock input; the Q outputs are set to the logic levels present on the D inputs on its positive transition."
      },
      {
        "number": "12",
        "name": "5Q",
        "type": "tri_state",
        "description": "3-state output of flip-flop 5 that takes the level of 5D on the positive CLK transition, with recommended IOH of -16 mA and IOL of 16 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "13",
        "name": "5D",
        "type": "input",
        "description": "Data input of flip-flop 5 that is latched on the positive transition of CLK and is TTL-voltage compatible."
      },
      {
        "number": "14",
        "name": "6D",
        "type": "input",
        "description": "Data input of flip-flop 6 that is latched on the positive transition of CLK and is TTL-voltage compatible."
      },
      {
        "number": "15",
        "name": "6Q",
        "type": "tri_state",
        "description": "3-state output of flip-flop 6 that takes the level of 6D on the positive CLK transition, with recommended IOH of -16 mA and IOL of 16 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "16",
        "name": "7Q",
        "type": "tri_state",
        "description": "3-state output of flip-flop 7 that takes the level of 7D on the positive CLK transition, with recommended IOH of -16 mA and IOL of 16 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "17",
        "name": "7D",
        "type": "input",
        "description": "Data input of flip-flop 7 that is latched on the positive transition of CLK and is TTL-voltage compatible."
      },
      {
        "number": "18",
        "name": "8D",
        "type": "input",
        "description": "Data input of flip-flop 8 that is latched on the positive transition of CLK and is TTL-voltage compatible."
      },
      {
        "number": "19",
        "name": "8Q",
        "type": "tri_state",
        "description": "3-state output of flip-flop 8 that takes the level of 8D on the positive CLK transition, with recommended IOH of -16 mA and IOL of 16 mA at VCC = 4.5 V to 5.5 V."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Supply voltage pin; the recommended operating range is 4.5 V to 5.5 V."
      }
    ],
    "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: The page 1 text lists the TSSOP (PW) top-view pin names without printed numbers, so pin numbers were; The datasheet does not describe the Q outputs as 'tri_state' in pin-level detail; the type was taken"
        ],
        "pages_sent": 18,
        "cost_usd": 0.0671,
        "at": "2026-10-18T05:53:01"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74lv374at.pdf",
        "pages": 18,
        "sha256": "67fd4533b284e0b4",
        "source_tier": "mfr"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 20,
        "described": 20,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "sn74lv374atpwr.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "97339947f3a7196470ec2f1d9f9b92bb2fc2ab66ad53be0cf105192585ef3c9a",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74lv374atpwr-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6.4,
          6.5,
          1.2
        ],
        "zmin_mm": -0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "f66cc18db23dfced41e5076c89c6e6e763b90f9008cb1eb65d6c2176eb30b3df",
        "checked": "2026-10-18",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}