Proposed simple CircuitBoards chip creation.

chips.json

[
    {
        "ic_part":"7400",
        "description":"quad 2-input NAND gate",
        "pin_count":14,
        "pins": [
            {
                "pin":1,
                "name":"1A",
                "description":"Input A of gate 1",
                "io_mode":"input"
            },
            {
                "pin":2,
                "name":"1B",
                "description":"Input B of gate 1",
                "io_mode":"input"
            },
            {
                "pin":3,
                "name":"1Y",
                "description":"Output of gate 1",
                "io_mode":"output"
                "simple_compute":"NAND 1A 1B"
            },
            {
                "pin":4,
                "name":"2A",
                "description":"Input A of gate 2",
                "io_mode":"input"
            },
            {
                "pin":5,
                "name":"2B",
                "description":"Input B of gate 2",
                "io_mode":"input"
            },
            {
                "pin":6,
                "name":"2Y",
                "description":"Output of gate 2",
                "io_mode":"output",
                "simple_compute":"NAND 2A 2B"
            },
            {
                "pin":7,
                "name":"GND",
                "description":"Ground Pin",
                "io_mode":"ground"
            },
            {
                "pin":9,
                "name":"3A",
                "description":"Input A of gate 3",
                "io_mode":"input"
            },
            {
                "pin":10,
                "name":"3B",
                "description":"Input B of gate 3",
                "io_mode":"input"
            },
            {
                "pin":8,
                "name":"3Y",
                "description":"Output of gate 3",
                "io_mode":"output",
                "simple_compute":"NAND 3A 3B"
            },
            {
                "pin":12,
                "name":"4A",
                "description":"Input A of gate 4",
                "io_mode":"input"
            },
            {
                "pin":13,
                "name":"4B",
                "description":"Input B of gate 4",
                "io_mode":"input"
            },
            {
                "pin":11,
                "name":"4Y",
                "description":"Output of gate 4",
                "io_mode":"output",
                "simple_compute":"NAND 4A 4B"
            },
            {
                "pin":14,
                "name":"VCC",
                "description":"Supply Voltage",
                "io_mode":"vcc"
            }
        ]
    }
]