Folded Combinational Circuits as an example of Sequential Circuits ...
Folded Combinational Circuits as an example of Sequential Circuits ...
Folded Combinational Circuits as an example of Sequential Circuits ...
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A simple synchronous state<br />
element<br />
Edge-Triggered Flip-flop<br />
C<br />
D<br />
Q<br />
D<br />
C<br />
ff<br />
Q<br />
Met<strong>as</strong>tability<br />
Data is sampled at the rising edge <strong>of</strong> the clock<br />
February 19, 2013 http://csg.csail.mit.edu/6.375 L04-7<br />
C<br />
EN<br />
D<br />
Q<br />
Flip-flops with Write Enables<br />
D<br />
C<br />
EN<br />
ff<br />
Data is captured only if EN is on<br />
Q<br />
EN<br />
C<br />
D<br />
C<br />
D<br />
d<strong>an</strong>gerous!<br />
February 19, 2013 http://csg.csail.mit.edu/6.375 L04-8<br />
EN<br />
0<br />
1<br />
ff<br />
ff<br />
Q<br />
Q<br />
4
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