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A clock counter question

1,395
0
i understood that each time a digit complements
and complements the next digit etc..
but i cant see how it works
because if its truee then from the 0000 state
by one pulse we will have 1111

i cant ubderstand how we get the numbers between

here is circuit
http://img146.imageshack.us/my.php?image=img86761zw2.jpg
 

Answers and Replies

berkeman
Mentor
56,120
6,156
No, the first clock pulse increments the first FF 0-->1, then the next clock pulse toggles the output of the first FF 1-->0, and that falling edge is the clock edge to the 2nd FF. So the 2nd clock takes the output from 0001--> 0010.

The key here is that the output of on FF feeds the next higher significant bit FF. Do you see that now?
 
1,395
0
oohh ok i am starting to see it
 

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