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06/14/01 11:28
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#12500 - RE: using 74HC374 to 51 series bus
You must do the worst case calculation !!!

89C51: tWHQX = 33ns (min)
4071: tPLH = 250ns (max)

but tWHQX must always be longer than tPLH.
Thus why it work not.


Peter


List of 9 messages in thread
TopicAuthorDate
using 74HC374 to 51 series bus            01/01/70 00:00      
RE: using 74HC374 to 51 series bus            01/01/70 00:00      
RE: using 74HC374 to 51 series bus            01/01/70 00:00      
RE: using 74HC374 to 51 series bus            01/01/70 00:00      
RE: using 74HC374 to 51 series bus            01/01/70 00:00      
RE: using 74HC374 to 51 series bus            01/01/70 00:00      
RE: using 74HC374 to 51 series bus            01/01/70 00:00      
RE: using 74HC374 to 51 series bus            01/01/70 00:00      
RE: using 74HC374 to 51 series bus            01/01/70 00:00      

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