Homework_-5 - below: ABCD 0000 0001 0011 1100 1101 1000...

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EE 320 Dr. N. El Naga SHEET #5 1. Design the following counters using RS flip-flops. (a) A 4-bit binary counter. (b) An 8421 BCD code counter (one decade). (c) An 8421 BCD code down counter (one decade). (d) A 3-bit self-stopping binary counter which counts up to seven but which does not count back to zero, rather staying in state 7. 2. Design the above counters using JK flip-flops. 3. Design a 4-bit up-down binary counter using (a) RS flip-flop. (b) JK flip-flop. (c) T flip-flop. 4. A counter is to have the sequence below. Implement this counter with T flip-flops. A B C D 0 0 0 0 1 0 0 0 1 1 0 0 1 0 1 0 1 1 1 0 0 0 0 1 1 0 0 1 1 1 0 1 1 0 1 1 1 1 1 1 0 0 0 0 1
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SHEET #5 5. Using RS Flip-flops, design the counter whose state diagram is shown
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Unformatted text preview: below: ABCD 0000 0001 0011 1100 1101 1000 1001 1010 1011 E E Figure 1. State Diagram 6. Using JK Flip-flops, design the synchronous counter whose state diagram is given below. ABCD 0000 0001 0110 0011 1100 1001 1000 1101 1010 1011 S 1 S 2 S 1 S 2 S 1 S 2 2 SHEET #5 7. Using RS Flip-flops, design the asynchronous counter whose state Table is given below. A B C D 0 0 0 0 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 0 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 1 0 0 0 8. Using JK Flip-flops, design a sequence generator that will continuously generate the following sequence: (a) 1 1 0 0 1 1 1 0 0 0 1 0 (b) 1 0 1 1 1 0 0 0 3...
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This note was uploaded on 02/08/2011 for the course ECE 320 taught by Professor Raminroosta during the Spring '10 term at CSU Northridge.

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Homework_-5 - below: ABCD 0000 0001 0011 1100 1101 1000...

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