assign7

# assign7 - A(x,y,z = ∑(0,3,6 B(x,y,z = ∑(1,2,3,6 C(x,y,z...

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Electrical and Computer Engineering 19/10/2010 1 EECE256 Assignment 7 1. How many address lines and data lines are needed for the following memory? a) 16K x 8 b) 256K x 64 c) 2G x 16 d) 20 x 4 2. Show the Parity bits for a 16-bit and 32-bit number. What is the parity value for the 8-bit binary number 10110101? Place the bits into the appropriate places in the parity+data word. 3. Create the truth table for a ROM that implements the Boolean functions:
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Unformatted text preview: A(x,y,z) = ∑(0,3,6) B(x,y,z) = ∑(1,2,3,6) C(x,y,z) = ∑(1,5) D(x,y,z) = ∑(0,1,5,6,7) How big should the ROM be? What is the memory content at addresses 0 and 5? 4. Derive the PLA programming table for a combinational circuit that squares a 4-bit number, and minimize the number of product terms. What is the width of the output? 5. Do Questions 7.12, 7.16, 7.25 from your Text....
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