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Ray Set visibility: public ed66dcc 7d ago
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{
  "schema_version": 1,
  "type": "component",
  "slug": "at25sf321b-sshb-b",
  "title": "AT25SF321B-SSHB-B",
  "brief": "Adesto Technologies Pre-ordered Chips, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
  "license": "CC-BY-SA-4.0",
  "tags": [
    "component",
    "interface ics",
    "at25sf321b-sshb-b",
    "factory-2.0.0",
    "extractor-text"
  ],
  "component": {
    "mpn": "AT25SF321B-SSHB-B",
    "manufacturer": "Adesto Technologies",
    "package": "SOIC-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/8c20f148a7c47953f6a6cd143d296987.pdf",
    "parts": {
      "symbol": "at25sf321b-sshb-b.kicad_sym",
      "footprint": "at25sf321b-sshb-b.kicad_mod",
      "model_3d": "at25sf321b-sshb-b-hero.glb",
      "model_3d_plain": "at25sf321b-sshb-b-etched.glb",
      "model_3d_step": "at25sf321b-sshb-b-etched.step",
      "model_3d_step_plain": "at25sf321b-sshb-b.step",
      "lbr": "at25sf321b-sshb-b.lbr"
    },
    "distributor_links": {
      "lcsc": "C1351854",
      "digikey": "1265-AT25SF321B-SSHB-B-ND",
      "mouser": "988-AT25SF321BSSHB-B"
    },
    "distributor_check": {
      "checked_at": "2026-10-28T15:56:57Z",
      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": "1265-AT25SF321B-SSHB-B-ND",
        "status": "found"
      },
      "mouser": {
        "pn": "988-AT25SF321BSSHB-B",
        "status": "found"
      }
    },
    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "CHIP SELECT, active low; a high-to-low transition starts an operation and a low-to-high transition ends it."
      },
      {
        "number": "2",
        "name": "SO (I/O1)",
        "type": "bidirectional",
        "description": "SERIAL OUTPUT, clocked out on the falling edge of SCK and high-impedance whenever the device is deselected; acts as I/O1 in Dual and Quad read commands."
      },
      {
        "number": "3",
        "name": "WP (I/O2)",
        "type": "bidirectional",
        "description": "WRITE PROTECT, internally pulled high and may be left floating if hardware protection is unused; recommended to be connected to VCC whenever possible; acts as I/O2 in Quad commands."
      },
      {
        "number": "4",
        "name": "GND",
        "type": "power_in",
        "description": "GROUND, the ground reference for the power supply; connect to system ground."
      },
      {
        "number": "5",
        "name": "SI (I/O0)",
        "type": "bidirectional",
        "description": "SERIAL INPUT, latched on the rising edge of SCK for all command, address and data input; acts as I/O0 in Dual and Quad commands and is ignored when the device is deselected."
      },
      {
        "number": "6",
        "name": "SCK",
        "type": "input",
        "description": "SERIAL CLOCK, providing the clock to the device; SI is latched on the rising edge and SO is clocked out on the falling edge."
      },
      {
        "number": "7",
        "name": "HOLD (I/O3)",
        "type": "bidirectional",
        "description": "HOLD, temporarily pauses serial communication without deselecting or resetting the device while asserted; internally pulled high and recommended to be connected to VCC whenever possible; acts as I/O3 in Quad commands."
      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "DEVICE POWER SUPPLY, single 2.7 V to 3.6 V supply input."
      }
    ],
    "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: Pinout taken from Figure 2-1 (8-SOIC 0.150 and 0.208 top view), which covers both SOIC variants. The"
        ],
        "pages_sent": 19,
        "cost_usd": 0.0278,
        "at": "2026-10-28T15:56:18"
      },
      "datasheet": {
        "url": "https://datasheet.lcsc.com/datasheet/pdf/8c20f148a7c47953f6a6cd143d296987.pdf",
        "pages": 59,
        "sha256": "a3be84cdc8f2d5a0",
        "source_tier": "lcsc"
      },
      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
        "cites_pages": true,
        "refuses_to_fabricate": true
      }
    },
    "viewers": {
      "symbol": "viewers/symbol.html",
      "footprint": "viewers/footprint.html"
    },
    "models_3d": [
      {
        "file": "at25sf321b-sshb-b.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": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      },
      {
        "file": "at25sf321b-sshb-b-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": "8fe839c6fa3fd7cec7362440639f1633541d4a04df6fe58d259bf78970444711",
        "checked": "2026-10-28",
        "checked_by": "factory/step_pose.py (Z-up, origin, seat, binding)"
      }
    ]
  },
  "metadata": {
    "specs": {
      "Manufacturer": "Adesto Technologies",
      "Package": "SOIC-8",
      "Category": "Interface ICs",
      "Pins": "8"
    },
    "characteristics": {
      "version": 1,
      "source": "datasheet",
      "datasheet_sha256": "a3be84cdc8f2d5a083458f0a39edcc78cc5a383d10125039920397372f200436",
      "rows": [
        {
          "name": "Storage Temperature",
          "symbol": "TSTG",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -65,
          "typ": null,
          "max": 150,
          "conditions": "",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Temperature under Bias",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "°C",
          "min": -55,
          "typ": null,
          "max": 125,
          "conditions": "",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "All Input Voltages with Respect to Ground",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.6,
          "typ": null,
          "max": 4.1,
          "conditions": "including NC pins",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "All Output Voltages with Respect to Ground",
          "symbol": "",
          "kind": "absolute_maximum",
          "unit": "V",
          "min": -0.6,
          "typ": null,
          "max": null,
          "conditions": "VCC + 0.5 V maximum",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Operating Temperature (Case) Industrial",
          "symbol": "",
          "kind": "recommended_operating",
          "unit": "°C",
          "min": -40,
          "typ": null,
          "max": 85,
          "conditions": "",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "VCC Power Supply",
          "symbol": "VCC",
          "kind": "recommended_operating",
          "unit": "V",
          "min": 2.7,
          "typ": null,
          "max": 3.6,
          "conditions": "",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Deep Power-Down Current",
          "symbol": "IDPD",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 1,
          "max": 3,
          "conditions": "CS, HOLD, WP = VIH; all inputs at CMOS levels",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Standby Current",
          "symbol": "ISB",
          "kind": "electrical",
          "unit": "µA",
          "min": null,
          "typ": 13,
          "max": 25,
          "conditions": "CS, HOLD, WP = VIH; all inputs at CMOS levels",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Active Current, Read (03h, 0Bh) Operation",
          "symbol": "ICC1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3,
          "max": 4.2,
          "conditions": "f = 20 MHz; IOUT = 0",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Active Current, Read (03h, 0Bh) Operation",
          "symbol": "ICC1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 3.6,
          "max": 5.2,
          "conditions": "f = 50 MHz; IOUT = 0",
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        },
        {
          "name": "Active Current, Read (03h, 0Bh) Operation",
          "symbol": "ICC1",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.6,
          "max": 7.8,
          "conditions": "f = 85 MHz; IOUT = 0",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Active Current, Read (3Bh, BBh) Operation (Dual)",
          "symbol": "ICC2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 4.6,
          "max": 6.4,
          "conditions": "f = 50 MHz; IOUT = 0",
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          "source": "datasheet"
        },
        {
          "name": "Active Current, Read (3Bh, BBh) Operation (Dual)",
          "symbol": "ICC2",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 6.4,
          "max": 8.8,
          "conditions": "f = 85 MHz and 108 MHz; IOUT = 0",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Active Current, Read (6Bh, EBh) Operation (Quad)",
          "symbol": "ICC3",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 5.6,
          "max": 8,
          "conditions": "f = 50 MHz; IOUT = 0",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Active Current, Read (6Bh, EBh) Operation (Quad)",
          "symbol": "ICC3",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 8.2,
          "max": 12,
          "conditions": "f = 85 MHz and 108 MHz; IOUT = 0",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Active Current, Program Operation",
          "symbol": "ICC4",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 9,
          "max": 17,
          "conditions": "CS = VCC",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Active Current, Erase Operation",
          "symbol": "ICC5",
          "kind": "electrical",
          "unit": "mA",
          "min": null,
          "typ": 7,
          "max": 11.5,
          "conditions": "CS = VCC",
          "source_page": 48,
          "source": "datasheet"
        },
        {
          "name": "Input Load Current",
          "symbol": "ILI",
          "kind": "electrical",
          "unit": "µA",
          "min": -2,
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          "conditions": "All inputs at CMOS levels",
          "source_page": 49,
          "source": "datasheet"
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        {
          "name": "Output Leakage Current",
          "symbol": "ILO",
          "kind": "electrical",
          "unit": "µA",
          "min": -2,
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          "max": 2,
          "conditions": "All inputs at CMOS levels",
          "source_page": 49,
          "source": "datasheet"
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        {
          "name": "Input Low Voltage",
          "symbol": "VIL",
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          "min": -0.5,
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          "name": "Output Low Voltage",
          "symbol": "VOL",
          "kind": "electrical",
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          "min": null,
          "typ": null,
          "max": 0.4,
          "conditions": "IOL = 100 µA",
          "source_page": 49,
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        },
        {
          "name": "Maximum Clock Frequency for all opcodes except 03h, 0Bh, 3Bh, 6Bh",
          "symbol": "fCLK",
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        {
          "name": "Maximum Clock Frequency for opcodes 0Bh, 3Bh, and 6Bh",
          "symbol": "fCLK1",
          "kind": "timing",
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          "max": 85,
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        {
          "name": "Maximum Clock Frequency for 03h opcode",
          "symbol": "fCLK2",
          "kind": "timing",
          "unit": "MHz",
          "min": null,
          "typ": null,
          "max": 55,
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        {
          "name": "Clock High Time",
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        {
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        {
          "name": "Clock Rise Time, Peak-to-Peak (Slew Rate)",
          "symbol": "tCLKR",
          "kind": "timing",
          "unit": "V/ns",
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        },
        {
          "name": "Clock Fall Time, Peak-to-Peak (Slew Rate)",
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          "kind": "timing",
          "unit": "V/ns",
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        {
          "name": "CS High Time",
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          "min": 20,
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        {
          "name": "CS Low Setup Time (relative to Clock)",
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        {
          "name": "CS Low Hold Time (relative to Clock)",
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        {
          "name": "CS High Setup Time (relative to Clock)",
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        {
          "name": "CS High Hold Time (relative to Clock)",
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          "name": "Data In Setup Time",
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        {
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        {
          "name": "HOLD Low Setup Time (relative to Clock)",
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          "kind": "timing",
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        {
          "name": "HOLD Low Hold Time (relative to Clock)",
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        {
          "name": "HOLD High Setup Time (relative to Clock)",
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          "kind": "timing",
          "unit": "ns",
          "min": 5,
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        {
          "name": "HOLD Low to Output High-Z",
          "symbol": "tHLQZ",
          "kind": "timing",
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          "min": null,
          "typ": null,
          "max": 6,
          "conditions": "",
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        },
        {
          "name": "HOLD High to Output High-Z",
          "symbol": "tHHQZ",
          "kind": "timing",
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