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???
02/18/06 10:27
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#110267 - no details about transition from logic 1
Responding to: ???'s previous message
Hello Kai,
i went through the Bible (Chapter - Hardware Description) but couldn't find enough description regarding the transient conditions (from logic 1 to 0)in port(1,2,3).

How should i compensate this Transient current effect, if i use a PNP based dirver circuit.

-suresh.


List of 19 messages in thread
TopicAuthorDate
AT89s52 Port pin clarifications:            01/01/70 00:00      
   nice copy, where is the question            01/01/70 00:00      
   output characteristics            01/01/70 00:00      
      most confusing post            01/01/70 00:00      
   Answers            01/01/70 00:00      
      Logic 1 to 0 transition            01/01/70 00:00      
         You haven't read the 'bible' chapter...            01/01/70 00:00      
            no details about transition from logic 1            01/01/70 00:00      
               other way 'round            01/01/70 00:00      
               There ARE!!            01/01/70 00:00      
                  pFET2            01/01/70 00:00      
                     Weak and very weak pull-ups            01/01/70 00:00      
      maintaining low source impedence?            01/01/70 00:00      
         by making thje driver a sink............            01/01/70 00:00      
         Pull-downs create problems            01/01/70 00:00      
            Maximum IOL per port pin: 10 mA ?            01/01/70 00:00      
               IOL            01/01/70 00:00      
                  IOL = 10mA or 1.6mA? in port 1            01/01/70 00:00      
                     Depends on load            01/01/70 00:00      

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