[sdiy] Speaking of CMOS....

[mark verbos]

that only works with B series CMOS. Be careful that you don't do that to 
an A series one and blow it up.

mark

jorgen.bergfors at idg.se wrote:

>>Would it be wise for me to  pop a PNP in there instead to keep the 11
>>
>volts
>
>>the hell away form the 4052, given thats 3 volts higher than it's Vdd?
>>
>
>Buchla just put a 1M resistor in series with the signal and let the
>built-in input protection diodes do their thing. Nasty, but works.
>
>/Jorgen
>
>