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Thread Closed: Question not sufficiently explained

???
08/29/04 08:02
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#76556 - RE: matrix keyboard interfacing with 8051
Responding to: ???'s previous message
Your scheme seems wrong. Why use 74HC573 on both columns and rows? On one side, there should be buffers, not latches.

Thanks Ijaz for pointing out the mistake. Actually In hurry that has happended.
--- I typed latches 74HC573 and buffers 74HC573
should be read as
--- Latches 74HC573 and buffers 74HC541.

Regards,
Prahlad Purohit


List of 26 messages in thread
TopicAuthorDate
matrix keyboard interfacing with 8051            01/01/70 00:00      
   RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
      RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
         RE: matrix keyboard interfacing with 805            01/01/70 00:00      
   RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
      RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
         RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
            RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
               RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
   RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
      RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
         RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
         RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
      RE: matrix keyboard interfacing with 805            01/01/70 00:00      
         RE: matrix keyboard interfacing with 805            01/01/70 00:00      
            RE: matrix keyboard interfacing with 805            01/01/70 00:00      
            RE: matrix keyboard interfacing with 805            01/01/70 00:00      
   RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
      RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
      RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
   RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
      RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
         RE: ANIL            01/01/70 00:00      
   You need a quantum flux compensator!            01/01/70 00:00      
   RE: matrix keyboard interfacing with 8051            01/01/70 00:00      
   Thread being closed            01/01/70 00:00      

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