XPost: sci.electronics.design   
   From: nospam@gte.net   
      
   "Fred Bloggs"  wrote in message   
   news:47593EAE.5090205@nospam.com...   
   >   
   > > Using a 555 or similar type chip, I would like to have the output change   
   > > from low to high or high to low every time the system is turned on. IOW,   
   the   
   > > output is a high, then the system is turned off. When the system is   
   turned   
   > > back on, the output goes low. Each power up of the circuit changes or   
   > > "flips" the output state. I am willing to incorporate CMOS and a battery   
   > > back up in the design. Some of the ideas I entertained is a divide by 2   
   in   
   > > front of the toggle, giving me the same state every other time. However,   
   I'm   
   > > not sure how to do this practically or if it's the way to go. Any   
   > > suggestions out there? All comments welcomed and thanks.   
   >   
   > It's probably not the way to go and we will never know if you don't tell   
   > us what you're really trying to do...   
      
   I tried to make my requirements as simple as possible with only a logic   
   state that toggles with each power on. Why do you require to know what goes   
   on after that? I don't even know until next semester.   
      
   west   
   >   
   >   
      
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