main
Ray at24c04d-sshm-t-tudi: white body in tscircuit (pre-1.8 etch structure under an assembly instance); Ray 2026-10-19: blac… e7b552c
{
  "slug": "at24c04d-sshm-t-tudi",
  "version": "0.1.0",
  "type": "component",
  "description": "Tudi EEPROM, SOP-8. Datasheet-verified pinout, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "at24c04d-sshm-t-tudi"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at24c04d-sshm-t-tudi.kicad_sym",
    "at24c04d-sshm-t-tudi.kicad_mod",
    "at24c04d-sshm-t-tudi.glb",
    "at24c04d-sshm-t-tudi.step",
    "at24c04d-sshm-t-tudi.lbr",
    "docs/hero.png",
    "docs/at24c04d-sshm-t-tudi-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html",
    "at24c04d-sshm-t-tudi-etched.step"
  ],
  "visibility": {
    "public": true
  },
  "author": {
    "name": "Ray"
  },
  "component": {
    "mpn": "AT24C04D-SSHM-T-TUDI",
    "manufacturer": "Tudi",
    "package": "SOP-8",
    "pin_count": 8,
    "category": "EEPROM",
    "parts": {
      "symbol": "at24c04d-sshm-t-tudi.kicad_sym",
      "footprint": "at24c04d-sshm-t-tudi.kicad_mod",
      "model_3d": "at24c04d-sshm-t-tudi-etched.glb",
      "model_3d_plain": "at24c04d-sshm-t-tudi.glb",
      "model_3d_step": "at24c04d-sshm-t-tudi-etched.step",
      "model_3d_step_plain": "at24c04d-sshm-t-tudi.step",
      "lbr": "at24c04d-sshm-t-tudi.lbr"
    },
    "pins": [
      {
        "number": "1",
        "name": "A0",
        "type": "input",
        "description": "Device address input. On the 4K device (AT24C04) the A0 pin is a no-connect - it is not used for device addressing; the third address bit is used internally as a memory page-address bit. Kept as an input pin on the package for pin-compatibility with the 2K/8K/16K family."
      },
      {
        "number": "2",
        "name": "A1",
        "type": "input",
        "description": "Device address input. On the 4K device, A1 (together with A2) is a hard-wired device-select input that must match the corresponding bit of the I2C device address transmitted by the master. Tie to VCC or GND to set the chip's slave address."
      },
      {
        "number": "3",
        "name": "A2",
        "type": "input",
        "description": "Device address input. On the 4K device, A2 (together with A1) is a hard-wired device-select input that must match the corresponding bit of the I2C device address transmitted by the master. Tie to VCC or GND to set the chip's slave address."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference (0 V) for the device supply and all logic-level I/O."
      },
      {
        "number": "5",
        "name": "SDA",
        "type": "bidirectional",
        "description": "I2C serial data line. Bidirectional, open-drain output that must be pulled high with an external resistor to VCC; may be wire-ORed with other open-drain/open-collector devices on the bus. Carries device address, word address, and data during read and write transactions."
      },
      {
        "number": "6",
        "name": "SCL",
        "type": "input",
        "description": "I2C serial clock input. Positive edges clock data into the EEPROM; negative edges clock data out. Schmitt-triggered and filtered for noise suppression. Supports up to 1 MHz at VCC ≥ 2.5V and up to 400 kHz at 1.7V."
      },
      {
        "number": "7",
        "name": "WP",
        "type": "input",
        "description": "Write Protect input for hardware data protection. When tied to GND (or left in the normal-write state) allows normal read/write operations to the full array; when tied to VCC the entire array is write-protected (writes are ignored). Reads are unaffected in either state."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Positive supply input. Operating range 1.7 V to 5.5 V. Typical read current 0.14 mA and write current 0.28 mA at 5 V / 400 kHz; standby current ~0.03 µA. Decouple locally with a 0.1 µF ceramic capacitor to GND."
      }
    ],
    "provenance": {
      "rebuilt": "component block rebuilt 2026-10-05 from this page's own README pinout table and .kicad_sym (pins cross-checked), no re-extraction"
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "distributor_links": {
      "lcsc": "C22469379",
      "digikey": false,
      "mouser": false
    },
    "distributor_check": {
      "checked_at": "2026-10-05T18:53:11Z",
      "source": "Component Ocean /api/assign-pns + lcsc_map",
      "digikey": {
        "pn": null,
        "status": "no match"
      },
      "mouser": {
        "pn": null,
        "status": "no match"
      }
    },
    "models_3d": [
      {
        "file": "at24c04d-sshm-t-tudi.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "07f46cff378d30e6c27dfd5a03092c795323f86d91c71fc7e743f4f418dc553a",
        "checked": "2026-10-07",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at24c04d-sshm-t-tudi-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          6,
          4.9,
          1.75
        ],
        "zmin_mm": 0,
        "centre_offset_mm": 0,
        "footprint_binding": "identity",
        "sha256": "188ab273cfe31ad693b3c32c5fc43076a62cf3aebf821a245298c0d0abb8e94c",
        "checked": "2026-11-03",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  }
}