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Erik Malund
11/07/11 06:39
Read: 349 times
Mt Airy, Nc
USA


 
#184573 - "its input is kept floating" do you mean
Responding to: Arif Deshmukh's previous message
I tested on 74LS245, its out is at logic "1" when its input is kept floating .... if input is floating output should be at high impedance.
Suggest me any other solution of this problem if possible.

"its input is kept floating" do you mean OE pin activated?
any chip with floating output will on its output pin reflect the envoronment i.e. if the path in the circuit (other chips connected, ...) has a lower impedance to high it will go high if the path in the circuit has a lower impedance to low it will go low

Erik




List of 14 messages in thread
TopicAuthorDate
Non Inverting Buffer      Arif Deshmukh      11/05/11 21:32      
   3 states?      Andy Neil      11/06/11 00:53      
   are You sure?      Stefan KAnev      11/06/11 03:18      
      Describe the goal - not the step      Andy Neil      11/06/11 06:46      
         bidirectional driver      Jan Waclawek      11/06/11 06:56      
   Redesign your circuit!      Kai Klaas      11/06/11 06:04      
   You've described..        Oliver Sedlacek      11/07/11 04:54      
      Goal      Arif Deshmukh      11/07/11 06:07      
         "its input is kept floating" do you mean      Erik Malund      11/07/11 06:39      
         let's get down to low-level details      Richard Erlacher      11/07/11 07:21      
         Common Anode 7-segment display      Stefan KAnev      11/07/11 08:34      
            No need to float the signals      Per Westermark      11/07/11 08:56      
         Do not let inputs float...        Michael Karas      11/07/11 09:52      
      Absolutely Right.      Michael Karas      11/07/11 10:10      

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