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ON 20051125@10:03:06 AM at page:
http://www.piclist.com/logic/family.htm#38680.0365046296
James Newton[JMN-EFP-786] Published and replied to post 38680.0365046296 by nitin_ndg

|Insert '5Mhz is more than the fMax of 3Mhz. I might work, but would be outside the device spec. and so probably would not work.' at: '<!-- 38680.0365046296 EOR -->'

<A TITLE="P-210.212.130.69" NAME="38680.0365046296" HREF="mailto:nitin_ndg@yahoo.com">nitin_ndg@yahoo.com</A> asks: &quot;<A NAME="210.212.130.69">
</A> 
Question: what will happend if i commect signal of 5 MHz out put  from CMOS ACT(fmax 125MHz) to in put 4000B (fmax 3MHz)  .&quot;

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ON 20051130@11:18:01 AM at page:
http://www.piclist.com/logic/family.htm#38684.6174537037
James Newton[JMN-EFP-786] published post 38684.6174537037

<A TITLE="P-203.97.71.113" NAME="38684.6174537037">
</A> 
OK, this is the most obscure logic question, a challenge to you a supposed brilliant engineer.  I have an application which uses a bi-lateral switch (HEF4066BP).  How can I have a high input impedance (low conducting state), when the HEF4066BP has no power supply?  In other words I can still drive a signal through the 4066, when it has no power attached.  Is there a logic family which has a different intrinsic circuitry, which stops this? 
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