SN74AC564PWR

{
  "slug": "sn74ac564pwr",
  "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",
    "sn74ac564pwr",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "sn74ac564pwr.kicad_sym",
    "sn74ac564pwr.kicad_mod",
    "sn74ac564pwr.glb",
    "sn74ac564pwr.step",
    "sn74ac564pwr.lbr",
    "docs/hero.png",
    "docs/sn74ac564pwr-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "sn74ac564pwr-hero.glb",
    "sn74ac564pwr-hero.overlay.json"
  ],
  "component": {
    "mpn": "SN74AC564PWR",
    "manufacturer": "Texas Instruments",
    "package": "TSSOP-20",
    "pin_count": 20,
    "category": "Logic",
    "subcategory": "Flip Flops",
    "datasheet": "https://www.ti.com/lit/ds/symlink/sn74ac564.pdf",
    "parts": {
      "symbol": "sn74ac564pwr.kicad_sym",
      "footprint": "sn74ac564pwr.kicad_mod",
      "model_3d": "sn74ac564pwr-hero.glb",
      "model_3d_plain": "sn74ac564pwr.glb",
      "model_3d_step": "sn74ac564pwr-etched.step",
      "model_3d_step_plain": "sn74ac564pwr.step",
      "lbr": "sn74ac564pwr.lbr"
    },
    "distributor_links": {
      "lcsc": "C2865200",
      "digikey": "296-28649-2-ND",
      "mouser": "595-SN74AC564PWR"
    },
    "distributor_check": {
      "checked_at": "2026-10-08T16:36:36Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "296-28649-2-ND",
        "status": "found",
        "lifecycle": "Active"
      },
      "mouser": {
        "pn": "595-SN74AC564PWR",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "OE",
        "type": "input",
        "description": "Output enable for all eight channels, active low; when high, the outputs are placed in the high-impedance state."
      },
      {
        "number": "2",
        "name": "D1",
        "type": "input",
        "description": "Data input for channel 1, loaded into its flip-flop on the rising edge of CLK."
      },
      {
        "number": "3",
        "name": "D2",
        "type": "input",
        "description": "Data input for channel 2, loaded into its flip-flop on the rising edge of CLK."
      },
      {
        "number": "4",
        "name": "D3",
        "type": "input",
        "description": "Data input for channel 3, loaded into its flip-flop on the rising edge of CLK."
      },
      {
        "number": "5",
        "name": "D4",
        "type": "input",
        "description": "Data input for channel 4, loaded into its flip-flop on the rising edge of CLK."
      },
      {
        "number": "6",
        "name": "D5",
        "type": "input",
        "description": "Data input for channel 5, loaded into its flip-flop on the rising edge of CLK."
      },
      {
        "number": "7",
        "name": "D6",
        "type": "input",
        "description": "Data input for channel 6, loaded into its flip-flop on the rising edge of CLK."
      },
      {
        "number": "8",
        "name": "D7",
        "type": "input",
        "description": "Data input for channel 7, loaded into its flip-flop on the rising edge of CLK."
      },
      {
        "number": "9",
        "name": "D8",
        "type": "input",
        "description": "Data input for channel 8, loaded into its flip-flop on the rising edge of CLK."
      },
      {
        "number": "10",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the device."
      },
      {
        "number": "11",
        "name": "CLK",
        "type": "input",
        "description": "Clock input for all channels; outputs update on the rising edge."
      },
      {
        "number": "12",
        "name": "Q8",
        "type": "tri_state",
        "description": "Inverting 3-state output for channel 8, showing the inverse of the latched D value and high-impedance when OE is high."
      },
      {
        "number": "13",
        "name": "Q7",
        "type": "tri_state",
        "description": "Inverting 3-state output for channel 7, showing the inverse of the latched D value and high-impedance when OE is high."
      },
      {
        "number": "14",
        "name": "Q6",
        "type": "tri_state",
        "description": "Inverting 3-state output for channel 6, showing the inverse of the latched D value and high-impedance when OE is high."
      },
      {
        "number": "15",
        "name": "Q5",
        "type": "tri_state",
        "description": "Inverting 3-state output for channel 5, showing the inverse of the latched D value and high-impedance when OE is high."
      },
      {
        "number": "16",
        "name": "Q4",
        "type": "tri_state",
        "description": "Inverting 3-state output for channel 4, showing the inverse of the latched D value and high-impedance when OE is high."
      },
      {
        "number": "17",
        "name": "Q3",
        "type": "tri_state",
        "description": "Inverting 3-state output for channel 3, showing the inverse of the latched D value and high-impedance when OE is high."
      },
      {
        "number": "18",
        "name": "Q2",
        "type": "tri_state",
        "description": "Inverting 3-state output for channel 2, showing the inverse of the latched D value and high-impedance when OE is high."
      },
      {
        "number": "19",
        "name": "Q1",
        "type": "tri_state",
        "description": "Inverting 3-state output for channel 1, showing the inverse of the latched D value and high-impedance when OE is high."
      },
      {
        "number": "20",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply; the datasheet recommends a supply range of 2 V to 6 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 datasheet's pin-function table (Table 3-1) and Figure 3-1 cover the DB, DW, N, NS and PW package; Table 3-1 labels Q1-Q8 as plain 'Output', but Section 6.1 describes them as 3-state outputs with a h; Pin descriptions for OE and the Q outputs combine Table 3-1 with the high-impedance behaviour in Sec"
        ],
        "pages_sent": 27,
        "cost_usd": 0.0873,
        "at": "2026-10-08T16:36:17"
      },
      "datasheet": {
        "url": "https://www.ti.com/lit/ds/symlink/sn74ac564.pdf",
        "pages": 27,
        "sha256": "f4d529c6cf659a01",
        "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": "sn74ac564pwr.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": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "sn74ac564pwr-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": "edcaa3860e07c7d3871e782fe3724d04f5ec1eb2286b8ffbcde82fb979ba8c83",
        "checked": "2026-10-08",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}