Refer to the binary counter of Figure 5-48. Change it by connecting X 0 to the CLK
Question:
Refer to the binary counter of Figure 5-48. Change it by connecting X̅0 to the CLK of flip-flop X1, and X̅1 to the CLK of flip-flop X2. Start with all FFs in the 1 state, and draw the various FF output waveforms (X0, X1, X2,) for 16 input pulses. Then list the sequence of FF states as was done in Figure 5-49. This counter is called a down counter. Why?
Figure 5-48
Figure 5-49
Transcribed Image Text:
Clock pulses Qo *All PRE and CLR are HIGH Q₁ J Q₂ Count Q₂Q₁Q0. CLK K 1 CLK போடா ITQ₁ 0 0 a 0 la I J O CLK TQ3 K (a) 10 1 1 (b) J 5 6 7 8 9 10 i CLK 1 K Qo 11 18 tuti Input clock pulses 1 1 T I 000001010 011 100 101 110 111 000 001010100 | I 1
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Related Book For
Digital Systems Principles And Application
ISBN: 9780134220130
12th Edition
Authors: Ronald Tocci, Neal Widmer, Gregory Moss
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