HW4 - and explain whether these functions can be...

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EE 2301 S 2010 INTRODUCTION TO DIGITAL SYSTEMS DESIGN HOMEWORK #4 (20 pts) Due Mar 11, 2010 1. Problem 9.29 2. Problem 9.31 3. Using PAL device shown on p. 25 of the lecture notes (set 4), try to implement: (a) 3-to-8 decoder (b) 2-to-4 decoder (c) 4-to-1 multiplexer Your implementation should clearly specify labeling of inputs and outputs and PAL connections. If a particular MSI device can not be implemented using this PAL, clearly state so and explain why. 4. Show how to realize the following functions: X = ABD + A’C + B’D’ + C’D’ Y = A’C + AD + C’D’ Z = CD + A’C + AB’D using a) PAL14L4 (14 inputs, 4 outputs, AND-NOR structure, each NOR has 4 AND gate inputs) b) PAL12H6 (12 inputs, 6 outputs, AND- OR structure, two output OR’s have 4 AND gate inputs and four output OR’s have 2 AND gate inputs). NOTE : you need to show only appropriate product terms used for PAL implementation
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Unformatted text preview: and explain whether these functions can be implemented using each PAL. (you do not need to show the PAL diagram) 5. Problem 11.2 6. Find the state transition table for the following latches: (a) a latch using a NOR gate and a NAND gate in the same configuration as basic NOR latch (Fig. 11.6 in the text) (b) a latch using an Exclusive-NOR gate and a NAND in the same configuration as basic NOR latch (Fig. 11.6 in the text) If normal (stable state) entries cannot be placed in a table, describe what a circuit will do (i.e. oscillatory behavior etc.) 7. Problem 11.6 8. Problem 11.7 9. Problem 11.11 10. Problem 11.12 11. Problem 11.14 12. Show how to implement (a) a D flip-flop using a T flip-flop and external gates, (b) a JK flip-flop using a D flip-flop and external gates....
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This note was uploaded on 06/04/2010 for the course EE 2301 taught by Professor Larrykinney during the Spring '09 term at Minnesota.

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HW4 - and explain whether these functions can be...

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