> Well, we could use his design but eliminate the cost, power requirement,
> and programming of the CPLD.

        Cost of the CPLD is in the $5CND range.
        Power is in the order of 30mA.
        Programmed part can be supplied by me if you wish.

        Frankly, I don't see any benefit to doing it discrete, unless power
requirements are paramount in which case the discrete solution MAY have a
small advantage. But, it's a free world and you are free to implement things
in any way you wish. Good luck, TTYL

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