Problem8 - Col 0 Col 1 Col 2 Col 3 Col 4 Col 5 Col 6 Col 7 Cells 0-7 Cells 8-15 Cells 16-23 Cells 24-31 Cells 32-39 Cells 40-47 Cells 48-55 Cells

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Digital Electronics Tutorial Sheet 8 1.* What is meant by "efficient" implementation of logic? 2.** Implement the following logic using (a) gates and (b) ROM. Comment on the efficiency of both implementations. CD B A CD B A D C B A D C B A ABCD D C B A BCD A f + + + + + + = . . . . For the case of ROM implementation, consider a 64 x 1 bit device and construct a memory map as follows:
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Unformatted text preview: Col 0 Col 1 Col 2 Col 3 Col 4 Col 5 Col 6 Col 7 Cells 0-7 Cells 8-15 Cells 16-23 Cells 24-31 Cells 32-39 Cells 40-47 Cells 48-55 Cells 56-63 R o w R o w 1 R o w 2 R o w 3 R o w 4 R o w 5 R o w 6 R o w 7 3.** Design a circuit free of static hazards to implement the function D BC C AB D C B f + + = . ....
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This note was uploaded on 04/25/2008 for the course EEE E1.x taught by Professor Cheung during the Fall '07 term at Imperial College.

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