Marcovitz_Ch7_Solutions

Marcovitz_Ch7_Solutions - EC262 Digital Systems Fall 2011...

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1 EC262 Digital Systems Fall 2011 Chapter 7 Solutions Textbook: Marcovitz, Introduction to Logic Design , 3 rd ed. Exercise 1, Exercise 2 (i and iv only) (b, d, and e), Exercise 3 (b, d and e), Exercise 4 (a and c), Exercise 8 (d, e, and f), Exercise 13 and Exercise 15 . Exercise 1 : Find the equations for q 1 *, q 2 * and Z for the state table in Figure 7.1. Z = q 1 q 2 ' q 1 * = x (q 1 + q 2 ) q 2 * = x q 1 ' Exercise 2 : Design the system using i. D FF iv. JKFF b. To obtain the D and J K inputs, we map A* and B* (using the quick method for the JK flip flops).
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2 D A = A' B' + x B' D B = x A' + A B' J A = B' K A = x' + B J B = x + A K B = x' + A z = x' A + A B The circuit for JK design is d. To obtain the D and J K inputs, we map A* and B* (using the quick method for the JK flip flops).
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3 D A = x' A' B' + x A' B' D B = x B + A B' J A = x' B' + x B K A = 1 J B = A K B = x' Z = A + B e. To obtain the D and J K inputs, we map A* and B* (using the quick method for the JK flip flops).
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4 D A
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Marcovitz_Ch7_Solutions - EC262 Digital Systems Fall 2011...

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