Bài tập Thiết kế luận lý 1 - Chương 5: Flip Flop - Nguyễn Quang Huy

dce  
2011  
Exercise – Chapter 5  
BK  
TP.HCM  
dce 5.1  
2011  
• Assuming that Q = 0 initially, apply the x and y  
waveforms to SET and CLEAR inputs of a NAND  
latch, determine the Q and Q’  
Exercise Chapter 5 - Flip Flop  
2
dce 5.2  
2011  
• Invert x and y waveforms, apply to SET and  
CLEAR inputs of a NOR latch, determine Q and  
Q’, assume Q = 0 initially  
Exercise Chapter 5 - Flip Flop  
3
dce 5.3  
2011  
• Q = 0 initially, determine Q waveform  
Exercise Chapter 5 - Flip Flop  
4
dce 5.4  
2011  
• Modify the circuit to use a NOR gate latch  
Exercise Chapter 5 - Flip Flop  
5
dce 5.5  
2011  
• Modify the circuit (Figure 5.12) to use a NAND  
gate latch  
Exercise Chapter 5 - Flip Flop  
6
dce 5.9  
2011  
• Apply the waveforms to FF in Figure 5-17, 5-18.  
Assume Q = 0 initially  
Exercise Chapter 5 - Flip Flop  
7
dce 5.11  
2011  
• Apply a 10-kHz clock signal to CLK of a J-K FF  
that has J = K = 1. Determine the waveform at Q.  
• Connect Q this FF to CLK of a 2nd J-K FF that  
also has J = K = 1. Determine the frequency of  
the signal at this FF’s output.  
Exercise Chapter 5 - Flip Flop  
8
dce 5.12  
2011  
• Positive/Negative-edge-triggered J-K  
Exercise Chapter 5 - Flip Flop  
9
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