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What is Race-around problem? How can you rectify it?
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Answer Posted / ladpriyanka
In J-K flipflop,for the input states J=K=1,if the clock
pulse width is greater then the propagation delay of the
NAND gate then it will cause continuous transitions of the
flipflop output.This is called Race around condition.
To rectify this problem,the clock pulse width should keep
less then the propagation delay of the NAND gate.This
restriction on the pulse width can be eliminated by
constructing
(i)Master-Slave flipflop
(ii)Edge-triggered flipflop
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