93AA66A-I

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  "type": "component",
  "slug": "93aa66a-i",
  "title": "93AA66A-I",
  "brief": "Microchip Tech Pre-ordered Chips, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
  "version": "0.1.0",
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  "component": {
    "mpn": "93AA66A-I",
    "manufacturer": "Microchip Tech",
    "package": "MSOP-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
    "datasheet": "https://datasheet.lcsc.com/datasheet/pdf/11fc22cd8657aff0b86142dfe366e604.pdf",
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    "distributor_links": {
      "lcsc": "C1350759"
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      "source": "Component Ocean /api/assign-pns",
      "digikey": {
        "pn": null,
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      "mouser": {
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    "pins": [
      {
        "number": "1",
        "name": "CS",
        "type": "input",
        "description": "Chip Select: a high level selects the device, a low level deselects it and forces Standby mode, and CS must be low for 250 ns minimum (TCSL) between consecutive instructions."
      },
      {
        "number": "2",
        "name": "CLK",
        "type": "input",
        "description": "Serial Clock that synchronizes host communication, with opcode, address and data bits clocked in (and data clocked out) on the positive edge of CLK."
      },
      {
        "number": "3",
        "name": "DI",
        "type": "input",
        "description": "Data In, used to clock in the Start bit, opcode, address and data synchronously with the CLK input."
      },
      {
        "number": "4",
        "name": "DO",
        "type": "tri_state",
        "description": "Data Out, outputs data in Read mode synchronously with CLK and provides Ready/Busy status during erase and write cycles; High-Z when CS is held low during the cycle."
      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
      },
      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "ORG/NC pin: ORG on 93XX66C devices, but no internal connection on 93XX66A/B devices (this 93AA66A is x8 only)."
      },
      {
        "number": "7",
        "name": "NC",
        "type": "unconnected",
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      },
      {
        "number": "8",
        "name": "VCC",
        "type": "power_in",
        "description": "Power supply; 1.8V to 5.5V for the 93AA66A, and VCC must be 4.5V or higher for proper operation of WRAL."
      }
    ],
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        "guard_notes": [
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        "at": "2026-10-24T03:09:03"
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        "pages": 43,
        "sha256": "04494d6624e9f111",
        "source_tier": "mfr"
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      "cad": "KiCad official (CC-BY-SA 4.0)",
      "pins": {
        "total": 8,
        "described": 8,
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  "metadata": {
    "specs": {
      "Manufacturer": "Microchip Tech",
      "Package": "MSOP-8",
      "Category": "Interface ICs",
      "Pins": "8"
    },
    "appearance": {
      "contacts": {
        "quote": "Part Number VCC Range ORG Pin Word Size Temperature Ranges Packages 93AA66A 1.8V-5.5V No 8-bit I MC, MS, P, SN, OT, MN,ST",
        "page": 1,
        "doc": "ds.pdf",
        "plating": "tin"
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        {
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          "name": "Write current",
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          "name": "Standby current (I-Temp)",
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          "conditions": "CS = 0V, ORG = DI = CLK = VSS or VCC",
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        {
          "name": "Clock frequency",
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        {
          "name": "Clock frequency",
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          "name": "Chip select setup time",
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          "name": "VCC voltage detect",
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