AT25SL321-MBUE-T

{
  "slug": "at25sl321-mbue-t",
  "version": "0.1.0",
  "type": "component",
  "description": "Adesto Technologies NOR FLASH, USON-8(3x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "tags": [
    "component",
    "memory",
    "at25sl321-mbue-t",
    "factory-2.0.0",
    "extractor-text"
  ],
  "dependencies": {},
  "hero": {
    "type": "image",
    "path": "docs/hero.png"
  },
  "files": [
    "page.json",
    "README.md",
    "at25sl321-mbue-t.kicad_sym",
    "at25sl321-mbue-t.kicad_mod",
    "at25sl321-mbue-t.glb",
    "at25sl321-mbue-t.step",
    "at25sl321-mbue-t.lbr",
    "docs/hero.png",
    "docs/at25sl321-mbue-t-datasheet.pdf",
    "viewers/symbol.html",
    "viewers/footprint.html"
  ],
  "component": {
    "mpn": "AT25SL321-MBUE-T",
    "manufacturer": "Adesto Technologies",
    "package": "USON-8(3x4)",
    "pin_count": 9,
    "category": "Memory",
    "subcategory": "NOR FLASH",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/4524470ef076a9a3e2db596011ecebe4.pdf",
    "parts": {
      "symbol": "at25sl321-mbue-t.kicad_sym",
      "footprint": "at25sl321-mbue-t.kicad_mod",
      "model_3d": "at25sl321-mbue-t-etched.glb",
      "model_3d_plain": "at25sl321-mbue-t.glb",
      "model_3d_step": "at25sl321-mbue-t-etched.step",
      "model_3d_step_plain": "at25sl321-mbue-t.step",
      "lbr": "at25sl321-mbue-t.lbr"
    },
    "distributor_links": {
      "lcsc": "C2062099",
      "digikey": "1265-1281-2-ND",
      "mouser": "988-AT25SL321-MBUE-T"
    },
    "distributor_check": {
      "checked_at": "2026-10-31T09:29:54Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1265-1281-2-ND",
        "status": "found",
        "lifecycle": "Obsolete"
      },
      "mouser": {
        "pn": "988-AT25SL321-MBUE-T",
        "status": "found",
        "lifecycle": "End of Life"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Active-low chip select: high deselects the device and tri-states the outputs (standby), low enables it, and a falling edge is required before any instruction after power-up."
      },
      {
        "number": "2",
        "name": "SO (IO1)",
        "type": "bidirectional",
        "description": "Serial data output clocked out on the falling edge of SCK, high-impedance when deselected, and bidirectional IO1 in Dual and Quad modes."
      },
      {
        "number": "3",
        "name": "WP (IO2)",
        "type": "bidirectional",
        "description": "Active-low write protect for the Status Register, which becomes IO2 in Quad I/O and QPI operation when the QE bit is set."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "Ground reference for the VCC supply, to be connected to system ground."
      },
      {
        "number": "5",
        "name": "SI (IO0)",
        "type": "bidirectional",
        "description": "Serial data input latched on the rising edge of SCK for commands, addresses and data, and bidirectional IO0 in Dual and Quad modes."
      },
      {
        "number": "6",
        "name": "SCK",
        "type": "input",
        "description": "Serial clock input that times the interface, with inputs latched on the rising edge and data shifted out on the falling edge, up to 104 MHz."
      },
      {
        "number": "7",
        "name": "HOLD (IO3)",
        "type": "bidirectional",
        "description": "Active-low hold that pauses a serial sequence without resetting it, which becomes IO3 in Quad I/O and QPI operation."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Single device power supply for read, program and erase, operating range 1.7 V to 2.0 V."
      },
      {
        "number": "9",
        "name": "EP",
        "type": "passive",
        "description": "Exposed pad (from the footprint; not named in the datasheet pin table)."
      }
    ],
    "provenance": {
      "extractor": "extract_pins 0.3",
      "factory_chain": {
        "factory": "2.0.0",
        "extractor": "extract_pins 0.3",
        "primary_model": "claude-sonnet-5-5",
        "primary_mode": "text+vision",
        "consensus_model": "claude-opus-5-5",
        "consensus": "agreed",
        "guards": "pin_guards 0.1: passed",
        "guard_notes": [
          "extractor flagged: The datasheet prints the USON pinout as a bottom view, so pins 1-8 were taken from the numbered pads",
          "vision extraction: provenance cannot be text-verified; needs consensus"
        ],
        "pages_sent": 78,
        "cost_usd": 0.6116,
        "at": "2026-10-31T09:29:24"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/4524470ef076a9a3e2db596011ecebe4.pdf",
        "pages": 78,
        "sha256": "d7fbe26594e5acee",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 9,
        "described": 9,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "at25sl321-mbue-t.step",
        "role": "plain",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.02,
          4.0,
          0.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "d97514ef4430790c2519982626ff0160bb03357caf82ee72cc3a7206f7cf48c8",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at25sl321-mbue-t-etched.step",
        "role": "eda",
        "up": "Z",
        "units": "mm",
        "origin": "footprint origin = pad-pattern centre",
        "seat": "z = 0",
        "extents_mm": [
          3.02,
          4.0,
          0.55
        ],
        "zmin_mm": 0.0,
        "centre_offset_mm": 0.0,
        "footprint_binding": "identity",
        "sha256": "ff62c56859e0dd6bbbc1876b30097078d3930a330ffc90e00e794415299dc06b",
        "checked": "2026-10-31",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ],
    "package_dims": {
      "package_code": "8MA2",
      "source_page": 73,
      "D": {
        "nom_mm": 3.0,
        "range_mm": [
          2.9,
          3.1
        ]
      },
      "E1": {
        "nom_mm": 4.0,
        "range_mm": [
          3.9,
          4.1
        ]
      },
      "e": {
        "nom_mm": 0.8,
        "range_mm": [
          null,
          null
        ]
      },
      "A": {
        "nom_mm": 0.55,
        "range_mm": [
          0.5,
          0.6
        ]
      },
      "source": "datasheet package drawing, every number found on its page (extract_pins --task dims)",
      "model_check": {
        "file": "at25sl321-mbue-t.step",
        "verdict": "PASS",
        "reasons": [
          "height within the datasheet's package drawing"
        ],
        "by": "factory/package_fit.py"
      }
    }
  }
}