93C66B-I

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  "title": "93C66B-I",
  "brief": "Microchip Tech Pre-ordered Chips, PDIP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.",
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    "package": "PDIP-8",
    "pin_count": 8,
    "category": "Interface ICs",
    "subcategory": "Pre-ordered Chips",
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        "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."
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      {
        "number": "2",
        "name": "CLK",
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        "description": "Serial Clock that synchronizes host communication; opcodes, address and data bits are 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."
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      {
        "number": "4",
        "name": "DO",
        "type": "tri_state",
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      },
      {
        "number": "5",
        "name": "VSS",
        "type": "power_in",
        "description": "Ground."
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      {
        "number": "6",
        "name": "NC",
        "type": "unconnected",
        "description": "ORG/NC pin, which is No Internal Connection on 93XX66A/B devices such as the 93C66B (the B device is fixed x16 organization)."
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      {
        "number": "7",
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        "name": "VCC",
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        "description": "Power supply; 4.5V to 5.5V for the 93C66B."
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      "Package": "PDIP-8",
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